./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-regression/signextension2-1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d3668226ea2147b0cf893b67dcf1e3bac955e1b
...................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:30:27,354 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:30:27,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:30:27,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:30:27,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:30:27,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:30:27,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:30:27,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:30:27,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:30:27,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:30:27,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:30:27,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:30:27,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:30:27,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:30:27,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:30:27,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:30:27,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:30:27,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:30:27,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:30:27,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:30:27,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:30:27,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:30:27,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:30:27,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:30:27,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:30:27,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:30:27,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:30:27,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:30:27,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:30:27,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:30:27,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:30:27,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:30:27,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:30:27,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:30:27,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:30:27,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:30:27,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:30:27,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:30:27,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:30:27,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:30:27,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:30:27,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-11 00:30:27,578 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:30:27,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:30:27,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:30:27,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:30:27,581 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:30:27,582 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-11 00:30:27,582 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-11 00:30:27,582 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-11 00:30:27,582 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-11 00:30:27,583 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-11 00:30:27,584 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-11 00:30:27,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:30:27,585 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:30:27,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-11 00:30:27,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:30:27,585 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:30:27,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:30:27,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-11 00:30:27,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-11 00:30:27,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-11 00:30:27,587 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:30:27,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:30:27,587 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-11 00:30:27,587 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:30:27,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-11 00:30:27,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:30:27,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:30:27,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:30:27,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:30:27,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:30:27,592 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-11 00:30:27,592 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_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d3668226ea2147b0cf893b67dcf1e3bac955e1b
[2021-10-11 00:30:27,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:30:27,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:30:27,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:30:27,919 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:30:27,920 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:30:27,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/bitvector-regression/signextension2-1.c
[2021-10-11 00:30:28,001 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/data/c5a57ca2c/30c29e86735341e089804cfd8afe46f4/FLAG64b18b1b8
[2021-10-11 00:30:28,480 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:30:28,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/sv-benchmarks/c/bitvector-regression/signextension2-1.c
[2021-10-11 00:30:28,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/data/c5a57ca2c/30c29e86735341e089804cfd8afe46f4/FLAG64b18b1b8
[2021-10-11 00:30:28,847 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/data/c5a57ca2c/30c29e86735341e089804cfd8afe46f4
[2021-10-11 00:30:28,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:30:28,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:30:28,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:30:28,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:30:28,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:30:28,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:28" (1/1) ...
[2021-10-11 00:30:28,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1284fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:28, skipping insertion in model container
[2021-10-11 00:30:28,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:28" (1/1) ...
[2021-10-11 00:30:28,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:30:28,883 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:30:29,040 WARN L226 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_8a484407-c1e1-42df-b723-89859519050b/sv-benchmarks/c/bitvector-regression/signextension2-1.c[589,602]
[2021-10-11 00:30:29,041 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:30:29,051 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:30:29,065 WARN L226 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_8a484407-c1e1-42df-b723-89859519050b/sv-benchmarks/c/bitvector-regression/signextension2-1.c[589,602]
[2021-10-11 00:30:29,069 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:30:29,079 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:30:29,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29 WrapperNode
[2021-10-11 00:30:29,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:30:29,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:30:29,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:30:29,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:30:29,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
[2021-10-11 00:30:29,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
[2021-10-11 00:30:29,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:30:29,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:30:29,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:30:29,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:30:29,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
[2021-10-11 00:30:29,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
[2021-10-11 00:30:29,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
[2021-10-11 00:30:29,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
[2021-10-11 00:30:29,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
[2021-10-11 00:30:29,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
[2021-10-11 00:30:29,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
[2021-10-11 00:30:29,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:30:29,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:30:29,165 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:30:29,165 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:30:29,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a484407-c1e1-42df-b723-89859519050b/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:30:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:30:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:30:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:30:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:30:29,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:30:29,485 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2021-10-11 00:30:29,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:29 BoogieIcfgContainer
[2021-10-11 00:30:29,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:30:29,487 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-11 00:30:29,488 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-11 00:30:29,491 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-11 00:30:29,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-11 00:30:29,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:30:28" (1/3) ...
[2021-10-11 00:30:29,494 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d18273a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:30:29, skipping insertion in model container
[2021-10-11 00:30:29,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-11 00:30:29,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:29" (2/3) ...
[2021-10-11 00:30:29,494 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d18273a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:30:29, skipping insertion in model container
[2021-10-11 00:30:29,495 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-11 00:30:29,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:29" (3/3) ...
[2021-10-11 00:30:29,496 INFO L389 chiAutomizerObserver]: Analyzing ICFG signextension2-1.c
[2021-10-11 00:30:29,545 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-11 00:30:29,545 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-11 00:30:29,545 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-11 00:30:29,545 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:30:29,546 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:30:29,546 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-11 00:30:29,546 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:30:29,546 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-11 00:30:29,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states.
[2021-10-11 00:30:29,572 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-10-11 00:30:29,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-10-11 00:30:29,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:30:29 BoogieIcfgContainer
[2021-10-11 00:30:29,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-11 00:30:29,577 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:30:29,577 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:30:29,577 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:30:29,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:29" (3/4) ...
[2021-10-11 00:30:29,581 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-10-11 00:30:29,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:30:29,584 INFO L168 Benchmark]: Toolchain (without parser) took 730.02 ms. Allocated memory is still 134.2 MB. Free memory was 106.8 MB in the beginning and 88.5 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:29,584 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 134.2 MB. Free memory is still 89.2 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:30:29,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.69 ms. Allocated memory is still 134.2 MB. Free memory was 106.8 MB in the beginning and 107.0 MB in the end (delta: -246.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:29,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.57 ms. Allocated memory is still 134.2 MB. Free memory was 107.0 MB in the beginning and 105.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:29,587 INFO L168 Benchmark]: Boogie Preprocessor took 38.71 ms. Allocated memory is still 134.2 MB. Free memory was 105.7 MB in the beginning and 104.9 MB in the end (delta: 778.3 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:30:29,588 INFO L168 Benchmark]: RCFGBuilder took 322.35 ms. Allocated memory is still 134.2 MB. Free memory was 104.5 MB in the beginning and 94.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:29,589 INFO L168 Benchmark]: BuchiAutomizer took 88.39 ms. Allocated memory is still 134.2 MB. Free memory was 94.0 MB in the beginning and 88.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:29,589 INFO L168 Benchmark]: Witness Printer took 4.72 ms. Allocated memory is still 134.2 MB. Free memory was 88.9 MB in the beginning and 88.5 MB in the end (delta: 381.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:30:29,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30 ms. Allocated memory is still 134.2 MB. Free memory is still 89.2 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 226.69 ms. Allocated memory is still 134.2 MB. Free memory was 106.8 MB in the beginning and 107.0 MB in the end (delta: -246.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 40.57 ms. Allocated memory is still 134.2 MB. Free memory was 107.0 MB in the beginning and 105.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 38.71 ms. Allocated memory is still 134.2 MB. Free memory was 105.7 MB in the beginning and 104.9 MB in the end (delta: 778.3 kB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 322.35 ms. Allocated memory is still 134.2 MB. Free memory was 104.5 MB in the beginning and 94.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 88.39 ms. Allocated memory is still 134.2 MB. Free memory was 94.0 MB in the beginning and 88.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
* Witness Printer took 4.72 ms. Allocated memory is still 134.2 MB. Free memory was 88.9 MB in the beginning and 88.5 MB in the end (delta: 381.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
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: No data available 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!
Received shutdown request...