./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-regression/signextension2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension2-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/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 a1fc77a9dffa79314315496010110ca89f6240b0 ........................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:08:42,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:08:42,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:08:42,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:08:42,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:08:42,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:08:42,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:08:42,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:08:42,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:08:42,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:08:42,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:08:42,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:08:42,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:08:42,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:08:42,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:08:42,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:08:42,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:08:42,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:08:42,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:08:42,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:08:42,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:08:42,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:08:42,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:08:42,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:08:42,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:08:42,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:08:42,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:08:42,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:08:42,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:08:42,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:08:42,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:08:42,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:08:42,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:08:42,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:08:42,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:08:42,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:08:42,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:08:42,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:08:42,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:08:42,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:08:42,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:08:42,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 13:08:42,722 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:08:42,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:08:42,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:08:42,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:08:42,723 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:08:42,723 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:08:42,724 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:08:42,724 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:08:42,724 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:08:42,724 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:08:42,724 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:08:42,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:08:42,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:08:42,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:08:42,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:08:42,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:08:42,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:08:42,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:08:42,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:08:42,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:08:42,726 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:08:42,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:08:42,726 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:08:42,726 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:08:42,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:08:42,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:08:42,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:08:42,727 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:08:42,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:08:42,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:08:42,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:08:42,728 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:08:42,729 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:08:42,729 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_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/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 -> a1fc77a9dffa79314315496010110ca89f6240b0 [2019-12-07 13:08:42,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:08:42,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:08:42,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:08:42,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:08:42,864 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:08:42,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/signextension2-2.c [2019-12-07 13:08:42,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/data/cb79f2016/07d55086437b4e1f99f3e69be2ae4c94/FLAG63a61fbee [2019-12-07 13:08:43,326 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:08:43,327 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/sv-benchmarks/c/bitvector-regression/signextension2-2.c [2019-12-07 13:08:43,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/data/cb79f2016/07d55086437b4e1f99f3e69be2ae4c94/FLAG63a61fbee [2019-12-07 13:08:43,708 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/bin/uautomizer/data/cb79f2016/07d55086437b4e1f99f3e69be2ae4c94 [2019-12-07 13:08:43,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:08:43,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:08:43,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:08:43,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:08:43,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:08:43,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2214406b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43, skipping insertion in model container [2019-12-07 13:08:43,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:08:43,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:08:43,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:08:43,851 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:08:43,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:08:43,903 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:08:43,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43 WrapperNode [2019-12-07 13:08:43,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:08:43,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:08:43,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:08:43,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:08:43,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:08:43,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:08:43,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:08:43,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:08:43,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... [2019-12-07 13:08:43,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:08:43,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:08:43,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:08:43,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:08:43,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6b9dc3f-9d62-4466-bed3-14a0d943b2f6/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 [2019-12-07 13:08:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:08:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:08:44,071 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:08:44,071 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 13:08:44,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:08:44 BoogieIcfgContainer [2019-12-07 13:08:44,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:08:44,072 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:08:44,073 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:08:44,075 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:08:44,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:08:44,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:08:43" (1/3) ... [2019-12-07 13:08:44,076 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@911b2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:08:44, skipping insertion in model container [2019-12-07 13:08:44,076 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:08:44,076 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:43" (2/3) ... [2019-12-07 13:08:44,077 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@911b2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:08:44, skipping insertion in model container [2019-12-07 13:08:44,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:08:44,077 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:08:44" (3/3) ... [2019-12-07 13:08:44,078 INFO L371 chiAutomizerObserver]: Analyzing ICFG signextension2-2.c [2019-12-07 13:08:44,108 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:08:44,108 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:08:44,108 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:08:44,108 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:08:44,108 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:08:44,109 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:08:44,109 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:08:44,109 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:08:44,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-12-07 13:08:44,132 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:08:44,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 13:08:44,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:08:44 BoogieIcfgContainer [2019-12-07 13:08:44,135 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:08:44,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:08:44,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:08:44,136 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:08:44,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:08:44" (3/4) ... [2019-12-07 13:08:44,138 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:08:44,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:08:44,140 INFO L168 Benchmark]: Toolchain (without parser) took 423.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:08:44,140 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 957.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:08:44,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:44,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.21 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:44,142 INFO L168 Benchmark]: Boogie Preprocessor took 10.60 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:44,143 INFO L168 Benchmark]: RCFGBuilder took 135.85 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:44,143 INFO L168 Benchmark]: BuchiAutomizer took 62.74 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:44,144 INFO L168 Benchmark]: Witness Printer took 2.70 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. [2019-12-07 13:08:44,147 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 957.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.21 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.60 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 135.85 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 62.74 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.70 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...