./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.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_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/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_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/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_468c9e27-3cff-47a2-a2c8-a1360ee8e293/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 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:19:26,975 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:19:26,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:19:27,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:19:27,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:19:27,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:19:27,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:19:27,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:19:27,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:19:27,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:19:27,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:19:27,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:19:27,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:19:27,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:19:27,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:19:27,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:19:27,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:19:27,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:19:27,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:19:27,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:19:27,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:19:27,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:19:27,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:19:27,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:19:27,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:19:27,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:19:27,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:19:27,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:19:27,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:19:27,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:19:27,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:19:27,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:19:27,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:19:27,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:19:27,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:19:27,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:19:27,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:19:27,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:19:27,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:19:27,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:19:27,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:19:27,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-11-13 18:19:27,113 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:19:27,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:19:27,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:19:27,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:19:27,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:19:27,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:19:27,115 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:19:27,116 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 18:19:27,116 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-13 18:19:27,116 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-13 18:19:27,116 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-13 18:19:27,117 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-13 18:19:27,117 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 18:19:27,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:19:27,117 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:19:27,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:19:27,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:19:27,118 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:19:27,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:19:27,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 18:19:27,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 18:19:27,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 18:19:27,119 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:19:27,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:19:27,120 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-13 18:19:27,120 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:19:27,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-13 18:19:27,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:19:27,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:19:27,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:19:27,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:19:27,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:19:27,123 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 18:19:27,123 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_468c9e27-3cff-47a2-a2c8-a1360ee8e293/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104
[2021-11-13 18:19:27,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:19:27,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:19:27,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:19:27,389 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:19:27,390 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:19:27,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i
[2021-11-13 18:19:27,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/data/d9c892b1f/88499dd6b91542f8a3b9db1b48781dbe/FLAGa56e781cd
[2021-11-13 18:19:27,905 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:19:27,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i
[2021-11-13 18:19:27,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/data/d9c892b1f/88499dd6b91542f8a3b9db1b48781dbe/FLAGa56e781cd
[2021-11-13 18:19:28,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/data/d9c892b1f/88499dd6b91542f8a3b9db1b48781dbe
[2021-11-13 18:19:28,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:19:28,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:19:28,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:19:28,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:19:28,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:19:28,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5692711d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28, skipping insertion in model container
[2021-11-13 18:19:28,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:19:28,315 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:19:28,497 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i[809,822]
[2021-11-13 18:19:28,506 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:19:28,514 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:19:28,526 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i[809,822]
[2021-11-13 18:19:28,531 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:19:28,547 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:19:28,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28 WrapperNode
[2021-11-13 18:19:28,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:19:28,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:19:28,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:19:28,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:19:28,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:19:28,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:19:28,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:19:28,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:19:28,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:19:28,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:19:28,628 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:19:28,628 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:19:28,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (1/1) ...
[2021-11-13 18:19:28,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:28,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:28,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:28,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:19:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:19:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:19:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:19:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:19:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:19:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:19:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:19:28,875 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:19:28,876 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2021-11-13 18:19:28,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:19:28 BoogieIcfgContainer
[2021-11-13 18:19:28,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:19:28,879 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 18:19:28,879 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 18:19:28,894 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-13 18:19:28,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:19:28,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:19:28" (1/3) ...
[2021-11-13 18:19:28,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f5aa8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:19:28, skipping insertion in model container
[2021-11-13 18:19:28,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:19:28,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:28" (2/3) ...
[2021-11-13 18:19:28,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f5aa8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:19:28, skipping insertion in model container
[2021-11-13 18:19:28,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:19:28,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:19:28" (3/3) ...
[2021-11-13 18:19:28,899 INFO L388 chiAutomizerObserver]: Analyzing ICFG array_shadowinit.i
[2021-11-13 18:19:28,964 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-13 18:19:28,964 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-13 18:19:28,965 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 18:19:28,965 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 18:19:28,965 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 18:19:28,965 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-13 18:19:28,965 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 18:19:28,965 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 18:19:29,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 18:19:29,053 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2021-11-13 18:19:29,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:19:29,053 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:19:29,058 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-11-13 18:19:29,058 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1]
[2021-11-13 18:19:29,058 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-11-13 18:19:29,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 18:19:29,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2021-11-13 18:19:29,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:19:29,061 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:19:29,061 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-11-13 18:19:29,061 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1]
[2021-11-13 18:19:29,067 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(19);~N~0 := 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~mem4#1, main_~i~0#1, main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 7#L18true assume ~N~0 > 0;havoc main_~i~0#1;havoc main_~k~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0#1 := 0;main_~k~0#1 := 0; 12#L23-2true
[2021-11-13 18:19:29,068 INFO L793 eck$LassoCheckResult]: Loop: 12#L23-2true assume !!(main_~i~0#1 < ~N~0);call write~int(main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~k~0#1, 4);main_~i~0#1 := 1 + main_~i~0#1;main_~k~0#1 := 1 + main_~k~0#1; 12#L23-2true
[2021-11-13 18:19:29,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:29,073 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times
[2021-11-13 18:19:29,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:19:29,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920060662]
[2021-11-13 18:19:29,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:19:29,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:19:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:29,180 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:19:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:29,217 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:19:29,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:29,220 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times
[2021-11-13 18:19:29,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:19:29,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780343806]
[2021-11-13 18:19:29,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:19:29,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:19:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:29,232 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:19:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:29,242 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:19:29,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:29,244 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times
[2021-11-13 18:19:29,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:19:29,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626611927]
[2021-11-13 18:19:29,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:19:29,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:19:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:29,270 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:19:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:29,295 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:19:29,837 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:19:29,838 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:19:29,838 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:19:29,838 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:19:29,838 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 18:19:29,839 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:29,839 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:19:29,839 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:19:29,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration1_Lasso
[2021-11-13 18:19:29,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:19:29,840 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:19:29,868 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 18:19:29,874 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 18:19:29,879 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 18:19:30,109 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 18:19:30,113 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 18:19:30,116 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 18:19:30,119 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 18:19:30,375 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:19:30,380 INFO L490 LassoAnalysis]: Using template 'affine'.
[2021-11-13 18:19:30,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:30,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:30,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:30,396 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 18:19:30,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-11-13 18:19:30,405 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:30,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:19:30,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:30,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:30,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:30,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:19:30,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:19:30,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:30,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:30,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:30,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:30,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:30,465 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 18:19:30,474 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:30,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:30,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:30,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:30,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:30,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:30,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-11-13 18:19:30,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:30,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:30,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:30,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:30,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:30,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-11-13 18:19:30,540 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 18:19:30,555 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:30,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:30,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:30,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:30,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:30,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:30,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:30,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0
[2021-11-13 18:19:30,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:30,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:30,630 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:30,635 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 18:19:30,644 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:30,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:30,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:30,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:30,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-11-13 18:19:30,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:30,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:30,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:30,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:30,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:30,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:30,710 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:30,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2021-11-13 18:19:30,725 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 18:19:30,732 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:30,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:19:30,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:30,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:30,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:30,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:19:30,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:19:30,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:30,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0
[2021-11-13 18:19:30,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:30,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:30,770 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:30,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2021-11-13 18:19:30,772 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 18:19:30,782 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:30,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:30,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:30,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:30,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:30,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:30,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:30,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:30,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:30,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:30,856 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:30,864 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 18:19:30,873 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:30,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:30,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:30,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:30,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:30,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:30,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2021-11-13 18:19:30,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:30,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:30,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:30,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:30,920 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:30,925 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 18:19:30,934 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:30,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:30,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:30,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:30,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:30,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:30,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2021-11-13 18:19:30,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:30,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:30,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:30,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:30,979 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:30,984 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 18:19:30,993 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:30,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:30,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:30,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:30,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:30,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:31,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2021-11-13 18:19:31,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:31,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:31,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:31,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:31,031 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:31,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2021-11-13 18:19:31,036 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 18:19:31,045 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:31,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:31,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:31,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:31,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:31,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:31,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:31,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:31,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:31,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:31,107 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:31,112 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 18:19:31,121 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:31,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:31,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:31,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:31,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:31,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:31,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2021-11-13 18:19:31,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:31,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:31,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:31,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:31,153 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:31,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process
[2021-11-13 18:19:31,158 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 18:19:31,166 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:31,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:31,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:31,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:31,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:31,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:31,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:31,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:31,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:31,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:31,223 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:31,232 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 18:19:31,243 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:31,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:31,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:31,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:31,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:31,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:31,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process
[2021-11-13 18:19:31,278 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-11-13 18:19:31,344 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver.
[2021-11-13 18:19:31,344 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero.
[2021-11-13 18:19:31,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:31,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:31,360 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:31,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process
[2021-11-13 18:19:31,420 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-11-13 18:19:31,442 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2021-11-13 18:19:31,442 INFO L513 LassoAnalysis]: Proved termination.
[2021-11-13 18:19:31,442 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i~0#1, ~N~0) = -1*ULTIMATE.start_main_~i~0#1 + 1*~N~0
Supporting invariants []
[2021-11-13 18:19:31,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:31,503 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed
[2021-11-13 18:19:31,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:31,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:19:31,555 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:19:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:31,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:19:31,573 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:19:31,573 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 18:19:31,605 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates
[2021-11-13 18:19:31,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 18:19:31,642 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 30 states and 39 transitions. Complement of second has 6 states.
[2021-11-13 18:19:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states
[2021-11-13 18:19:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 18:19:31,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions.
[2021-11-13 18:19:31,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters.
[2021-11-13 18:19:31,651 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:19:31,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters.
[2021-11-13 18:19:31,665 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:19:31,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 2 letters.
[2021-11-13 18:19:31,665 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:19:31,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions.
[2021-11-13 18:19:31,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2021-11-13 18:19:31,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 10 states and 13 transitions.
[2021-11-13 18:19:31,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8
[2021-11-13 18:19:31,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9
[2021-11-13 18:19:31,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions.
[2021-11-13 18:19:31,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:19:31,677 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions.
[2021-11-13 18:19:31,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions.
[2021-11-13 18:19:31,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2021-11-13 18:19:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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 18:19:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions.
[2021-11-13 18:19:31,709 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions.
[2021-11-13 18:19:31,709 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions.
[2021-11-13 18:19:31,709 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-11-13 18:19:31,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions.
[2021-11-13 18:19:31,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2021-11-13 18:19:31,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:19:31,713 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:19:31,714 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2021-11-13 18:19:31,714 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-11-13 18:19:31,714 INFO L791 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(19);~N~0 := 0; 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~mem4#1, main_~i~0#1, main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 110#L18 assume ~N~0 > 0;havoc main_~i~0#1;havoc main_~k~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0#1 := 0;main_~k~0#1 := 0; 111#L23-2 assume !(main_~i~0#1 < ~N~0); 115#L23-3 main_~i~0#1 := 0; 117#L29-2
[2021-11-13 18:19:31,715 INFO L793 eck$LassoCheckResult]: Loop: 117#L29-2 assume !!(main_~i~0#1 < ~N~0);call main_#t~mem4#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem4#1 == main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 114#L13 assume !(0 == __VERIFIER_assert_~cond#1); 109#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem4#1;main_~i~0#1 := 1 + main_~i~0#1; 117#L29-2
[2021-11-13 18:19:31,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:31,719 INFO L85 PathProgramCache]: Analyzing trace with hash 28693928, now seen corresponding path program 1 times
[2021-11-13 18:19:31,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:19:31,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546482635]
[2021-11-13 18:19:31,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:19:31,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:19:31,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0
[2021-11-13 18:19:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:31,777 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 18:19:31,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:19:31,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546482635]
[2021-11-13 18:19:31,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546482635] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:19:31,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:19:31,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:19:31,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997850124]
[2021-11-13 18:19:31,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:19:31,781 INFO L796 eck$LassoCheckResult]: stem already infeasible
[2021-11-13 18:19:31,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:31,782 INFO L85 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 1 times
[2021-11-13 18:19:31,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:19:31,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492820864]
[2021-11-13 18:19:31,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:19:31,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:19:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:31,791 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:19:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:31,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:19:31,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:19:31,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:19:31,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:19:31,910 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 18:19:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:19:31,925 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions.
[2021-11-13 18:19:31,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:19:31,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions.
[2021-11-13 18:19:31,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-11-13 18:19:31,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 10 transitions.
[2021-11-13 18:19:31,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8
[2021-11-13 18:19:31,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8
[2021-11-13 18:19:31,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions.
[2021-11-13 18:19:31,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:19:31,928 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions.
[2021-11-13 18:19:31,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions.
[2021-11-13 18:19:31,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2021-11-13 18:19:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 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 18:19:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions.
[2021-11-13 18:19:31,930 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions.
[2021-11-13 18:19:31,930 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions.
[2021-11-13 18:19:31,930 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-11-13 18:19:31,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions.
[2021-11-13 18:19:31,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-11-13 18:19:31,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:19:31,931 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:19:31,931 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-11-13 18:19:31,931 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-11-13 18:19:31,931 INFO L791 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(19);~N~0 := 0; 139#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~mem4#1, main_~i~0#1, main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 134#L18 assume ~N~0 > 0;havoc main_~i~0#1;havoc main_~k~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0#1 := 0;main_~k~0#1 := 0; 135#L23-2 assume !!(main_~i~0#1 < ~N~0);call write~int(main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~k~0#1, 4);main_~i~0#1 := 1 + main_~i~0#1;main_~k~0#1 := 1 + main_~k~0#1; 140#L23-2 assume !(main_~i~0#1 < ~N~0); 141#L23-3 main_~i~0#1 := 0; 142#L29-2
[2021-11-13 18:19:31,931 INFO L793 eck$LassoCheckResult]: Loop: 142#L29-2 assume !!(main_~i~0#1 < ~N~0);call main_#t~mem4#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem4#1 == main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 136#L13 assume !(0 == __VERIFIER_assert_~cond#1); 137#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem4#1;main_~i~0#1 := 1 + main_~i~0#1; 142#L29-2
[2021-11-13 18:19:31,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:31,932 INFO L85 PathProgramCache]: Analyzing trace with hash 889513522, now seen corresponding path program 1 times
[2021-11-13 18:19:31,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:19:31,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546256920]
[2021-11-13 18:19:31,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:19:31,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:19:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:31,947 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:19:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:31,964 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:19:31,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:31,965 INFO L85 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 2 times
[2021-11-13 18:19:31,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:19:31,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014499180]
[2021-11-13 18:19:31,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:19:31,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:19:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:31,971 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:19:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:31,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:19:31,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:31,980 INFO L85 PathProgramCache]: Analyzing trace with hash -450855381, now seen corresponding path program 1 times
[2021-11-13 18:19:31,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:19:31,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227843851]
[2021-11-13 18:19:31,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:19:31,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:19:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:31,998 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:19:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:19:32,025 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:19:32,521 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:19:32,521 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:19:32,521 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:19:32,521 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:19:32,521 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 18:19:32,521 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:32,521 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:19:32,521 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:19:32,521 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration3_Lasso
[2021-11-13 18:19:32,522 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:19:32,522 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:19:32,525 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 18:19:32,531 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 18:19:32,705 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 18:19:32,708 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 18:19:32,710 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 18:19:32,712 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 18:19:32,715 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 18:19:32,717 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 18:19:32,719 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 18:19:32,929 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:19:32,929 INFO L490 LassoAnalysis]: Using template 'affine'.
[2021-11-13 18:19:32,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:32,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:32,932 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:32,939 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 18:19:32,948 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:32,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:19:32,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:32,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:32,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:32,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:19:32,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:19:32,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process
[2021-11-13 18:19:32,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:33,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:33,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:33,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:33,008 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:33,016 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 18:19:33,026 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:33,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:33,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:33,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:33,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:33,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:33,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process
[2021-11-13 18:19:33,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:19:33,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:33,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:33,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:33,082 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:33,088 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 18:19:33,098 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:19:33,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:19:33,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:19:33,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:19:33,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process
[2021-11-13 18:19:33,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:19:33,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:19:33,128 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-11-13 18:19:33,167 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver.
[2021-11-13 18:19:33,167 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero.
[2021-11-13 18:19:33,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:19:33,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:19:33,168 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:19:33,173 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-11-13 18:19:33,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process
[2021-11-13 18:19:33,197 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2021-11-13 18:19:33,197 INFO L513 LassoAnalysis]: Proved termination.
[2021-11-13 18:19:33,197 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~#a~0#1.offset, ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_2) = -1*ULTIMATE.start_main_~#a~0#1.offset - 4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_2
Supporting invariants []
[2021-11-13 18:19:33,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:33,255 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed
[2021-11-13 18:19:33,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:33,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:19:33,285 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:19:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:33,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:19:33,310 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:19:33,339 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 18:19:33,340 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 18:19:33,340 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 18:19:33,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 12 states and 14 transitions. Complement of second has 4 states.
[2021-11-13 18:19:33,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states
[2021-11-13 18:19:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 18:19:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions.
[2021-11-13 18:19:33,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 3 letters.
[2021-11-13 18:19:33,360 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:19:33,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 3 letters.
[2021-11-13 18:19:33,360 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:19:33,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 6 letters.
[2021-11-13 18:19:33,361 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:19:33,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions.
[2021-11-13 18:19:33,363 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:19:33,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions.
[2021-11-13 18:19:33,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-11-13 18:19:33,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-11-13 18:19:33,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-11-13 18:19:33,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:19:33,364 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:19:33,364 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:19:33,365 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:19:33,365 INFO L425 BuchiCegarLoop]: ======== Iteration 4============
[2021-11-13 18:19:33,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:19:33,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:19:33,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-11-13 18:19:33,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:19:33 BoogieIcfgContainer
[2021-11-13 18:19:33,374 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-13 18:19:33,374 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:19:33,374 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:19:33,375 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:19:33,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:19:28" (3/4) ...
[2021-11-13 18:19:33,378 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 18:19:33,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:19:33,383 INFO L158 Benchmark]: Toolchain (without parser) took 5097.05ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 81.3MB in the beginning and 82.1MB in the end (delta: -829.7kB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB.
[2021-11-13 18:19:33,385 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 52.5MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:19:33,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.71ms. Allocated memory is still 115.3MB. Free memory was 81.0MB in the beginning and 91.7MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:19:33,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.93ms. Allocated memory is still 115.3MB. Free memory was 91.7MB in the beginning and 90.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:19:33,386 INFO L158 Benchmark]: Boogie Preprocessor took 36.97ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 88.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:19:33,391 INFO L158 Benchmark]: RCFGBuilder took 250.03ms. Allocated memory is still 115.3MB. Free memory was 88.9MB in the beginning and 79.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:19:33,395 INFO L158 Benchmark]: BuchiAutomizer took 4494.89ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 79.4MB in the beginning and 82.1MB in the end (delta: -2.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB.
[2021-11-13 18:19:33,395 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:19:33,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 52.5MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 265.71ms. Allocated memory is still 115.3MB. Free memory was 81.0MB in the beginning and 91.7MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 38.93ms. Allocated memory is still 115.3MB. Free memory was 91.7MB in the beginning and 90.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.97ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 88.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 250.03ms. Allocated memory is still 115.3MB. Free memory was 88.9MB in the beginning and 79.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 4494.89ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 79.4MB in the beginning and 82.1MB in the end (delta: -2.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB.
* Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 82.1MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 4 locations. One deterministic module has affine ranking function -1 * a + -4 * i + unknown-#length-unknown[a] and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 4.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 23.02ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 19.02ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 24 mSDtfsCounter, 16 mSolverCounterSat, 3.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital171 mio100 ax100 hnf100 lsp92 ukn59 mio100 lsp58 div100 bol100 ite100 ukn100 eq170 hnf91 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:19:33,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0
[2021-11-13 18:19:33,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468c9e27-3cff-47a2-a2c8-a1360ee8e293/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE