./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension2-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/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 0.1.24-6b5699a [2019-11-25 08:54:24,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:24,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:24,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:24,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:24,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:24,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:24,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:24,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:24,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:24,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:24,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:24,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:24,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:24,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:24,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:24,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:24,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:24,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:24,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:24,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:24,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:24,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:24,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:24,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:24,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:24,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:24,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:24,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:24,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:24,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:24,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:24,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:24,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:24,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:24,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:24,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:24,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:24,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:24,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:24,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:24,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:54:24,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:24,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:24,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:24,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:24,253 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:24,254 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:54:24,254 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:54:24,254 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:54:24,254 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:54:24,254 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:54:24,255 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:54:24,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:24,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:24,255 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:54:24,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:24,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:24,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:24,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:54:24,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:54:24,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:54:24,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:24,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:24,258 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:54:24,258 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:24,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:54:24,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:24,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:24,259 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:54:24,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:24,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:24,260 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:54:24,261 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:54:24,262 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_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/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 [2019-11-25 08:54:24,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:24,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:24,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:24,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:24,482 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:24,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/signextension2-2.c [2019-11-25 08:54:24,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/data/2ccd57712/db5feff3ad4547eeaa84be98ce3a3bb7/FLAG0501fa247 [2019-11-25 08:54:24,957 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:24,957 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/sv-benchmarks/c/bitvector-regression/signextension2-2.c [2019-11-25 08:54:24,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/data/2ccd57712/db5feff3ad4547eeaa84be98ce3a3bb7/FLAG0501fa247 [2019-11-25 08:54:25,377 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/bin/uautomizer/data/2ccd57712/db5feff3ad4547eeaa84be98ce3a3bb7 [2019-11-25 08:54:25,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:25,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:25,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:25,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:25,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:25,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59aa6a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25, skipping insertion in model container [2019-11-25 08:54:25,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:25,415 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:25,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:25,737 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:25,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:25,770 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:25,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25 WrapperNode [2019-11-25 08:54:25,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:25,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:25,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:25,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:25,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:25,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:25,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:25,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:25,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... [2019-11-25 08:54:25,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:25,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:25,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:25,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:25,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99caf91f-1f8e-45e3-89a6-2c3ea3f910f2/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 08:54:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:25,996 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:25,996 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:54:25,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:25 BoogieIcfgContainer [2019-11-25 08:54:25,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:25,998 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:54:25,998 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:54:26,002 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:54:26,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:26,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:54:25" (1/3) ... [2019-11-25 08:54:26,004 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ea3fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:54:26, skipping insertion in model container [2019-11-25 08:54:26,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:26,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:25" (2/3) ... [2019-11-25 08:54:26,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ea3fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:54:26, skipping insertion in model container [2019-11-25 08:54:26,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:26,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:25" (3/3) ... [2019-11-25 08:54:26,007 INFO L371 chiAutomizerObserver]: Analyzing ICFG signextension2-2.c [2019-11-25 08:54:26,055 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:54:26,055 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:54:26,055 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:54:26,055 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:26,055 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:26,055 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:54:26,056 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:26,056 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:54:26,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-25 08:54:26,090 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:54:26,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:54:26,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:54:26 BoogieIcfgContainer [2019-11-25 08:54:26,095 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:54:26,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:26,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:26,096 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:26,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:25" (3/4) ... [2019-11-25 08:54:26,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:54:26,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:26,103 INFO L168 Benchmark]: Toolchain (without parser) took 721.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -235.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:26,104 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:26,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -258.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:26,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:26,106 INFO L168 Benchmark]: Boogie Preprocessor took 16.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:26,107 INFO L168 Benchmark]: RCFGBuilder took 180.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:26,107 INFO L168 Benchmark]: BuchiAutomizer took 97.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:26,108 INFO L168 Benchmark]: Witness Printer took 4.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:26,111 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -258.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 180.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 97.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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...