./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-regression/signextension-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer --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 f4433bb60ef050acea7db74543af3a05ddf5a434 .......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:36,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:36,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:36,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:36,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:36,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:36,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:36,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:36,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:36,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:36,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:36,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:36,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:36,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:36,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:36,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:36,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:36,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:36,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:36,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:36,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:36,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:36,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:36,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:36,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:36,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:36,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:36,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:36,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:36,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:36,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:36,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:36,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:36,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:36,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:36,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:36,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:36,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:36,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:36,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:36,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:36,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:49:36,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:36,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:36,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:36,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:36,518 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:36,519 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:49:36,519 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:49:36,519 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:49:36,519 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:49:36,519 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:49:36,520 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:49:36,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:36,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:36,521 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:49:36,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:36,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:36,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:36,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:49:36,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:49:36,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:49:36,522 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:36,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:36,523 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:49:36,523 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:36,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:49:36,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:36,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:36,524 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:49:36,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:36,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:36,525 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:49:36,525 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:49:36,526 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer 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 -> f4433bb60ef050acea7db74543af3a05ddf5a434 [2019-11-25 08:49:36,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:36,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:36,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:36,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:36,681 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:36,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/signextension-2.c [2019-11-25 08:49:36,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/data/bcc879070/210827e5fd1440f49cc1c876103d9bba/FLAG854771658 [2019-11-25 08:49:37,103 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:37,103 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/sv-benchmarks/c/bitvector-regression/signextension-2.c [2019-11-25 08:49:37,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/data/bcc879070/210827e5fd1440f49cc1c876103d9bba/FLAG854771658 [2019-11-25 08:49:37,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/data/bcc879070/210827e5fd1440f49cc1c876103d9bba [2019-11-25 08:49:37,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:37,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:37,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:37,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:37,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:37,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7cbf3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37, skipping insertion in model container [2019-11-25 08:49:37,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:37,161 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:37,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:37,298 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:37,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:37,392 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:37,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37 WrapperNode [2019-11-25 08:49:37,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:37,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:37,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:37,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:37,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:37,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:37,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:37,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:37,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... [2019-11-25 08:49:37,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:37,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:37,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:37,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:37,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc2e4db4-3ae4-4b5a-953f-087a79f9f1c4/bin/uautomizer/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 [2019-11-25 08:49:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:37,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:37,601 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:37,602 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:49:37,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:37 BoogieIcfgContainer [2019-11-25 08:49:37,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:37,603 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:49:37,603 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:49:37,606 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:49:37,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:37,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:49:37" (1/3) ... [2019-11-25 08:49:37,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ff8a572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:37, skipping insertion in model container [2019-11-25 08:49:37,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:37,608 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:37" (2/3) ... [2019-11-25 08:49:37,608 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ff8a572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:37, skipping insertion in model container [2019-11-25 08:49:37,608 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:37,608 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:37" (3/3) ... [2019-11-25 08:49:37,610 INFO L371 chiAutomizerObserver]: Analyzing ICFG signextension-2.c [2019-11-25 08:49:37,649 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:49:37,649 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:49:37,649 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:49:37,649 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:37,649 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:37,650 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:49:37,650 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:37,650 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:49:37,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-25 08:49:37,679 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:37,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:49:37,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:49:37 BoogieIcfgContainer [2019-11-25 08:49:37,683 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:49:37,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:37,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:37,683 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:37,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:37" (3/4) ... [2019-11-25 08:49:37,687 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:49:37,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:37,689 INFO L168 Benchmark]: Toolchain (without parser) took 560.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:37,690 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:37,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:37,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:37,692 INFO L168 Benchmark]: Boogie Preprocessor took 20.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:37,693 INFO L168 Benchmark]: RCFGBuilder took 155.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:37,694 INFO L168 Benchmark]: BuchiAutomizer took 79.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:37,694 INFO L168 Benchmark]: Witness Printer took 4.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:37,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 155.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 79.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 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...