./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test26-1.c --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_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/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_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test26-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/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_2bf38e16-558d-4875-8b7b-769e97f3c645/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 6e16a9039af683ff71136e4fdf1d6e681546010da6b9063cc41cb578540720f5
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:39:02,111 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:39:02,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:39:02,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:39:02,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:39:02,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:39:02,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:39:02,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:39:02,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:39:02,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:39:02,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:39:02,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:39:02,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:39:02,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:39:02,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:39:02,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:39:02,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:39:02,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:39:02,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:39:02,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:39:02,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:39:02,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:39:02,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:39:02,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:39:02,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:39:02,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:39:02,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:39:02,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:39:02,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:39:02,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:39:02,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:39:02,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:39:02,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:39:02,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:39:02,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:39:02,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:39:02,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:39:02,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:39:02,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:39:02,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:39:02,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:39:02,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-11-13 17:39:02,301 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 17:39:02,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:39:02,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:39:02,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:39:02,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:39:02,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 17:39:02,304 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 17:39:02,304 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 17:39:02,304 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-13 17:39:02,304 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-13 17:39:02,304 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-13 17:39:02,305 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-13 17:39:02,305 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 17:39:02,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:39:02,305 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 17:39:02,305 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 17:39:02,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 17:39:02,306 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 17:39:02,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 17:39:02,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 17:39:02,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 17:39:02,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 17:39:02,307 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 17:39:02,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 17:39:02,307 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-13 17:39:02,307 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 17:39:02,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-13 17:39:02,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:39:02,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 17:39:02,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:39:02,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 17:39:02,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 17:39:02,315 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 17:39:02,315 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_2bf38e16-558d-4875-8b7b-769e97f3c645/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e16a9039af683ff71136e4fdf1d6e681546010da6b9063cc41cb578540720f5
[2021-11-13 17:39:02,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:39:02,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:39:02,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:39:02,707 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 17:39:02,708 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 17:39:02,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-regression/test26-1.c
[2021-11-13 17:39:02,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/data/64fb96f97/46b1247766004805af0a6278cd5fc0e0/FLAGeebcab535
[2021-11-13 17:39:03,215 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 17:39:03,215 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/sv-benchmarks/c/ldv-regression/test26-1.c
[2021-11-13 17:39:03,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/data/64fb96f97/46b1247766004805af0a6278cd5fc0e0/FLAGeebcab535
[2021-11-13 17:39:03,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/data/64fb96f97/46b1247766004805af0a6278cd5fc0e0
[2021-11-13 17:39:03,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:39:03,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:39:03,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:39:03,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:39:03,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:39:03,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457d5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03, skipping insertion in model container
[2021-11-13 17:39:03,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 17:39:03,649 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:39:03,869 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_2bf38e16-558d-4875-8b7b-769e97f3c645/sv-benchmarks/c/ldv-regression/test26-1.c[493,506]
[2021-11-13 17:39:03,870 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:39:03,881 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 17:39:03,896 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_2bf38e16-558d-4875-8b7b-769e97f3c645/sv-benchmarks/c/ldv-regression/test26-1.c[493,506]
[2021-11-13 17:39:03,897 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:39:03,910 INFO L208 MainTranslator]: Completed translation
[2021-11-13 17:39:03,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03 WrapperNode
[2021-11-13 17:39:03,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:39:03,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:39:03,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:39:03,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:39:03,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:39:03,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:39:03,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:39:03,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:39:03,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:39:03,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:39:03,973 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:39:03,973 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:39:03,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (1/1) ...
[2021-11-13 17:39:03,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 17:39:03,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:39:04,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 17:39:04,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:39:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 17:39:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:39:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:39:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 17:39:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:39:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:39:04,307 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:39:04,308 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-13 17:39:04,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:39:04 BoogieIcfgContainer
[2021-11-13 17:39:04,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:39:04,311 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 17:39:04,311 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 17:39:04,315 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-13 17:39:04,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 17:39:04,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 05:39:03" (1/3) ...
[2021-11-13 17:39:04,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@930854b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:39:04, skipping insertion in model container
[2021-11-13 17:39:04,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 17:39:04,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:39:03" (2/3) ...
[2021-11-13 17:39:04,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@930854b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:39:04, skipping insertion in model container
[2021-11-13 17:39:04,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 17:39:04,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:39:04" (3/3) ...
[2021-11-13 17:39:04,321 INFO L388 chiAutomizerObserver]: Analyzing ICFG test26-1.c
[2021-11-13 17:39:04,375 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-13 17:39:04,375 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-13 17:39:04,375 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 17:39:04,376 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 17:39:04,376 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 17:39:04,376 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-13 17:39:04,376 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 17:39:04,376 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 17:39:04,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:39:04,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 17:39:04,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-11-13 17:39:04,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 05:39:04 BoogieIcfgContainer
[2021-11-13 17:39:04,419 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-13 17:39:04,420 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:39:04,420 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:39:04,421 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 17:39:04,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:39:04" (3/4) ...
[2021-11-13 17:39:04,424 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 17:39:04,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:39:04,428 INFO L158 Benchmark]: Toolchain (without parser) took 812.81ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 53.3MB in the beginning and 65.3MB in the end (delta: -12.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB.
[2021-11-13 17:39:04,430 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:39:04,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.08ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 53.3MB in the beginning and 83.1MB in the end (delta: -29.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 17:39:04,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.68ms. Allocated memory is still 104.9MB. Free memory was 83.1MB in the beginning and 81.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:39:04,435 INFO L158 Benchmark]: Boogie Preprocessor took 23.04ms. Allocated memory is still 104.9MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:39:04,437 INFO L158 Benchmark]: RCFGBuilder took 337.06ms. Allocated memory is still 104.9MB. Free memory was 80.4MB in the beginning and 71.1MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 17:39:04,438 INFO L158 Benchmark]: BuchiAutomizer took 108.05ms. Allocated memory is still 104.9MB. Free memory was 70.5MB in the beginning and 65.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 17:39:04,438 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 104.9MB. Free memory was 65.8MB in the beginning and 65.3MB in the end (delta: 446.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:39:04,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 294.08ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 53.3MB in the beginning and 83.1MB in the end (delta: -29.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 36.68ms. Allocated memory is still 104.9MB. Free memory was 83.1MB in the beginning and 81.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 23.04ms. Allocated memory is still 104.9MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 337.06ms. Allocated memory is still 104.9MB. Free memory was 80.4MB in the beginning and 71.1MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* BuchiAutomizer took 108.05ms. Allocated memory is still 104.9MB. Free memory was 70.5MB in the beginning and 65.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Witness Printer took 4.57ms. Allocated memory is still 104.9MB. Free memory was 65.8MB in the beginning and 65.3MB in the end (delta: 446.1kB). 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
Trivial decomposition. There is no loop in your program.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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 17:39:04,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf38e16-558d-4875-8b7b-769e97f3c645/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE