./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 53f42b1a
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF --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 e6ce818269f5ecc4c2ff6f7b6db655bd42dc60e24d4185a927753f7789580a57
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 06:11:03,373 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-20 06:11:03,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 06:11:03,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 06:11:03,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 06:11:03,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 06:11:03,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 06:11:03,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 06:11:03,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 06:11:03,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 06:11:03,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 06:11:03,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 06:11:03,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 06:11:03,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 06:11:03,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 06:11:03,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 06:11:03,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 06:11:03,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 06:11:03,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 06:11:03,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 06:11:03,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 06:11:03,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 06:11:03,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 06:11:03,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 06:11:03,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 06:11:03,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 06:11:03,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 06:11:03,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 06:11:03,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 06:11:03,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 06:11:03,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 06:11:03,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 06:11:03,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 06:11:03,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 06:11:03,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 06:11:03,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 06:11:03,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 06:11:03,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 06:11:03,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 06:11:03,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 06:11:03,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 06:11:03,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-11-20 06:11:03,557 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-20 06:11:03,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 06:11:03,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 06:11:03,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 06:11:03,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 06:11:03,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-20 06:11:03,560 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-20 06:11:03,561 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-20 06:11:03,561 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-20 06:11:03,561 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-20 06:11:03,562 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-20 06:11:03,563 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-20 06:11:03,563 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-20 06:11:03,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 06:11:03,563 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-20 06:11:03,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-20 06:11:03,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-20 06:11:03,564 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-20 06:11:03,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-20 06:11:03,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-20 06:11:03,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-20 06:11:03,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-20 06:11:03,565 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-20 06:11:03,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-20 06:11:03,565 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-20 06:11:03,566 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-20 06:11:03,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-20 06:11:03,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 06:11:03,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-20 06:11:03,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 06:11:03,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-20 06:11:03,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-20 06:11:03,570 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-20 06:11:03,570 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_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6ce818269f5ecc4c2ff6f7b6db655bd42dc60e24d4185a927753f7789580a57
[2021-11-20 06:11:03,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 06:11:03,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 06:11:03,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 06:11:03,862 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-20 06:11:03,863 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-20 06:11:03,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/bitvector-regression/signextension2-1.c
[2021-11-20 06:11:03,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/data/594514d36/0bf82c91baa749dd8f8b4416617f6b27/FLAGcc134753d
[2021-11-20 06:11:04,398 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-20 06:11:04,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/sv-benchmarks/c/bitvector-regression/signextension2-1.c
[2021-11-20 06:11:04,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/data/594514d36/0bf82c91baa749dd8f8b4416617f6b27/FLAGcc134753d
[2021-11-20 06:11:04,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/data/594514d36/0bf82c91baa749dd8f8b4416617f6b27
[2021-11-20 06:11:04,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 06:11:04,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 06:11:04,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 06:11:04,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 06:11:04,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 06:11:04,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:04" (1/1) ...
[2021-11-20 06:11:04,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11beda02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:04, skipping insertion in model container
[2021-11-20 06:11:04,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:04" (1/1) ...
[2021-11-20 06:11:04,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-20 06:11:04,828 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-20 06:11:05,020 WARN L230 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_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/sv-benchmarks/c/bitvector-regression/signextension2-1.c[589,602]
[2021-11-20 06:11:05,021 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 06:11:05,030 INFO L203 MainTranslator]: Completed pre-run
[2021-11-20 06:11:05,045 WARN L230 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_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/sv-benchmarks/c/bitvector-regression/signextension2-1.c[589,602]
[2021-11-20 06:11:05,046 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 06:11:05,059 INFO L208 MainTranslator]: Completed translation
[2021-11-20 06:11:05,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05 WrapperNode
[2021-11-20 06:11:05,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 06:11:05,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-20 06:11:05,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-20 06:11:05,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-20 06:11:05,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,093 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24
[2021-11-20 06:11:05,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-20 06:11:05,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-20 06:11:05,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-20 06:11:05,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-20 06:11:05,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-20 06:11:05,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-20 06:11:05,125 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-20 06:11:05,125 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-20 06:11:05,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (1/1) ...
[2021-11-20 06:11:05,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-20 06:11:05,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/z3
[2021-11-20 06:11:05,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-20 06:11:05,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-20 06:11:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-20 06:11:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-20 06:11:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-20 06:11:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-20 06:11:05,278 INFO L236 CfgBuilder]: Building ICFG
[2021-11-20 06:11:05,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-20 06:11:05,380 INFO L277 CfgBuilder]: Performing block encoding
[2021-11-20 06:11:05,386 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-20 06:11:05,386 INFO L301 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-20 06:11:05,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:05 BoogieIcfgContainer
[2021-11-20 06:11:05,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-20 06:11:05,389 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-20 06:11:05,389 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-20 06:11:05,392 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-20 06:11:05,393 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-20 06:11:05,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:11:04" (1/3) ...
[2021-11-20 06:11:05,395 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e9e9ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:11:05, skipping insertion in model container
[2021-11-20 06:11:05,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-20 06:11:05,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:05" (2/3) ...
[2021-11-20 06:11:05,396 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e9e9ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:11:05, skipping insertion in model container
[2021-11-20 06:11:05,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-20 06:11:05,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:05" (3/3) ...
[2021-11-20 06:11:05,397 INFO L388 chiAutomizerObserver]: Analyzing ICFG signextension2-1.c
[2021-11-20 06:11:05,448 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-20 06:11:05,448 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-20 06:11:05,448 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-20 06:11:05,449 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-20 06:11:05,449 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-20 06:11:05,449 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-20 06:11:05,449 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-20 06:11:05,449 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-20 06:11:05,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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)
[2021-11-20 06:11:05,480 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-20 06:11:05,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-11-20 06:11:05,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:11:05 BoogieIcfgContainer
[2021-11-20 06:11:05,485 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-20 06:11:05,486 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-20 06:11:05,486 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-20 06:11:05,486 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-20 06:11:05,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:05" (3/4) ...
[2021-11-20 06:11:05,489 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-20 06:11:05,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-20 06:11:05,492 INFO L158 Benchmark]: Toolchain (without parser) took 692.70ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 58.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 06:11:05,492 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 06:11:05,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.57ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 74.5MB in the end (delta: -15.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-20 06:11:05,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.30ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 73.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 06:11:05,495 INFO L158 Benchmark]: Boogie Preprocessor took 29.32ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.2MB in the end (delta: 870.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 06:11:05,496 INFO L158 Benchmark]: RCFGBuilder took 263.65ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 63.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-20 06:11:05,497 INFO L158 Benchmark]: BuchiAutomizer took 96.44ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 58.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-20 06:11:05,498 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 58.2MB in the end (delta: 273.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 06:11:05,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 259.57ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 74.5MB in the end (delta: -15.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 32.30ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 73.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 29.32ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.2MB in the end (delta: 870.5kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 263.65ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 63.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 96.44ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 58.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Witness Printer took 3.85ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 58.2MB in the end (delta: 273.0kB). 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!
[2021-11-20 06:11:05,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be5aa16-62a4-45e3-8d69-49fa3e4cca4b/bin/uautomizer-DQz5hQGWxF/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