./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension2-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/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 3d4720d49a1188bad2d134c8dd08313372db11fb .......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:55,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:55,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:55,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:55,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:55,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:55,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:55,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:55,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:55,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:55,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:55,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:55,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:55,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:55,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:55,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:55,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:55,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:56,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:56,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:56,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:56,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:56,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:56,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:56,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:56,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:56,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:56,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:56,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:56,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:56,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:56,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:56,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:56,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:56,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:56,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:56,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:56,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:56,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:56,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:56,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:56,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:00:56,035 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:56,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:56,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:56,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:56,037 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:56,037 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:00:56,037 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:00:56,037 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:00:56,038 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:00:56,038 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:00:56,038 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:00:56,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:56,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:56,040 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:56,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:56,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:56,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:56,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:00:56,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:00:56,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:00:56,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:56,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:56,041 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:00:56,041 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:56,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:00:56,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:56,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:56,042 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:00:56,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:56,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:56,043 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:00:56,043 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:00:56,043 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/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/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 -> 3d4720d49a1188bad2d134c8dd08313372db11fb [2019-10-22 09:00:56,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:56,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:56,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:56,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:56,098 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:56,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-10-22 09:00:56,148 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/data/f0920a5b5/2056578a352b4089bd9a79ab15fe9255/FLAG1ad80db13 [2019-10-22 09:00:56,522 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:56,522 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-10-22 09:00:56,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/data/f0920a5b5/2056578a352b4089bd9a79ab15fe9255/FLAG1ad80db13 [2019-10-22 09:00:56,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/bin/uautomizer/data/f0920a5b5/2056578a352b4089bd9a79ab15fe9255 [2019-10-22 09:00:56,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:56,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:56,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:56,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:56,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:56,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb7bd26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56, skipping insertion in model container [2019-10-22 09:00:56,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:56,949 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:57,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:57,079 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:57,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:57,197 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:57,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57 WrapperNode [2019-10-22 09:00:57,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:57,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:57,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:57,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:57,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:57,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:57,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:57,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:57,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:57,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:57,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:57,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:57,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc63989e-e832-4762-938f-35fd5cd2610c/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 [2019-10-22 09:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:57,390 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:57,391 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:00:57,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57 BoogieIcfgContainer [2019-10-22 09:00:57,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:57,392 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:00:57,392 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:00:57,395 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:00:57,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:57,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:00:56" (1/3) ... [2019-10-22 09:00:57,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4034db6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:57, skipping insertion in model container [2019-10-22 09:00:57,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:57,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (2/3) ... [2019-10-22 09:00:57,398 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4034db6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:57, skipping insertion in model container [2019-10-22 09:00:57,398 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:57,398 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57" (3/3) ... [2019-10-22 09:00:57,399 INFO L371 chiAutomizerObserver]: Analyzing ICFG signextension2-1.c [2019-10-22 09:00:57,440 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:00:57,441 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:00:57,441 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:00:57,441 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:57,441 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:57,441 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:00:57,441 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:57,441 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:00:57,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-10-22 09:00:57,470 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:00:57,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:00:57,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:00:57 BoogieIcfgContainer [2019-10-22 09:00:57,475 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:00:57,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:57,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:57,475 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:57,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57" (3/4) ... [2019-10-22 09:00:57,479 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:00:57,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:57,481 INFO L168 Benchmark]: Toolchain (without parser) took 557.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:57,481 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:57,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -209.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.55 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. [2019-10-22 09:00:57,483 INFO L168 Benchmark]: Boogie Preprocessor took 11.99 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. [2019-10-22 09:00:57,484 INFO L168 Benchmark]: RCFGBuilder took 147.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,484 INFO L168 Benchmark]: BuchiAutomizer took 82.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,485 INFO L168 Benchmark]: Witness Printer took 3.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:57,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -209.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.55 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 11.99 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 147.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 82.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.92 ms. Allocated memory is still 1.2 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...