./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float3.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/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/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 214842803e5bf2009b57aa1e3a0f5face6e1dd52 .......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:56:17,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:56:17,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:56:17,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:56:17,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:56:17,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:56:17,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:56:17,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:56:17,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:56:17,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:56:17,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:56:17,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:56:17,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:56:17,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:56:17,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:56:17,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:56:17,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:56:17,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:56:17,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:56:17,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:56:17,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:56:17,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:56:17,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:56:17,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:56:17,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:56:17,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:56:17,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:56:17,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:56:17,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:56:17,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:56:17,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:56:17,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:56:17,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:56:17,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:56:17,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:56:17,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:56:17,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:56:17,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:56:17,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:56:17,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:56:17,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:56:17,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 21:56:17,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:56:17,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:56:17,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:56:17,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:56:17,950 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:56:17,950 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 21:56:17,951 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 21:56:17,951 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 21:56:17,951 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 21:56:17,951 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 21:56:17,951 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 21:56:17,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:56:17,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:56:17,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:56:17,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:56:17,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:56:17,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:56:17,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 21:56:17,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 21:56:17,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 21:56:17,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:56:17,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:56:17,954 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 21:56:17,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:56:17,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 21:56:17,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:56:17,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:56:17,955 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 21:56:17,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:56:17,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:56:17,956 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 21:56:17,956 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 21:56:17,957 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_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/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 -> 214842803e5bf2009b57aa1e3a0f5face6e1dd52 [2019-11-15 21:56:17,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:56:17,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:56:18,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:56:18,004 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:56:18,005 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:56:18,005 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float3.c [2019-11-15 21:56:18,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/data/f98b94907/07198ee0547644e48dc295a1b20a05eb/FLAG83eafbc5c [2019-11-15 21:56:18,417 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:56:18,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/sv-benchmarks/c/floats-cbmc-regression/float3.c [2019-11-15 21:56:18,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/data/f98b94907/07198ee0547644e48dc295a1b20a05eb/FLAG83eafbc5c [2019-11-15 21:56:18,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/bin/uautomizer/data/f98b94907/07198ee0547644e48dc295a1b20a05eb [2019-11-15 21:56:18,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:56:18,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:56:18,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:56:18,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:56:18,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:56:18,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:56:18" (1/1) ... [2019-11-15 21:56:18,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0515df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:18, skipping insertion in model container [2019-11-15 21:56:18,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:56:18" (1/1) ... [2019-11-15 21:56:18,813 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:56:18,833 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:56:19,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:56:19,018 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:56:19,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:56:19,128 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:56:19,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19 WrapperNode [2019-11-15 21:56:19,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:56:19,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:56:19,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:56:19,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:56:19,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... [2019-11-15 21:56:19,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... [2019-11-15 21:56:19,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:56:19,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:56:19,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:56:19,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:56:19,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... [2019-11-15 21:56:19,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... [2019-11-15 21:56:19,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... [2019-11-15 21:56:19,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... [2019-11-15 21:56:19,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... [2019-11-15 21:56:19,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... [2019-11-15 21:56:19,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... [2019-11-15 21:56:19,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:56:19,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:56:19,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:56:19,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:56:19,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbe37d4c-6e35-44fe-bc4e-0221cab32e8e/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 [2019-11-15 21:56:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:56:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:56:19,358 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:56:19,358 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 21:56:19,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:56:19 BoogieIcfgContainer [2019-11-15 21:56:19,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:56:19,360 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 21:56:19,360 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 21:56:19,363 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 21:56:19,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:56:19,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 09:56:18" (1/3) ... [2019-11-15 21:56:19,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55d3fa41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 09:56:19, skipping insertion in model container [2019-11-15 21:56:19,365 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:56:19,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:19" (2/3) ... [2019-11-15 21:56:19,366 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55d3fa41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 09:56:19, skipping insertion in model container [2019-11-15 21:56:19,369 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:56:19,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:56:19" (3/3) ... [2019-11-15 21:56:19,377 INFO L371 chiAutomizerObserver]: Analyzing ICFG float3.c [2019-11-15 21:56:19,419 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 21:56:19,419 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 21:56:19,419 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 21:56:19,419 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:56:19,419 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:56:19,420 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 21:56:19,420 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:56:19,420 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 21:56:19,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-15 21:56:19,448 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 21:56:19,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 21:56:19,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 09:56:19 BoogieIcfgContainer [2019-11-15 21:56:19,452 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 21:56:19,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:56:19,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:56:19,452 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:56:19,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:56:19" (3/4) ... [2019-11-15 21:56:19,455 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 21:56:19,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:56:19,457 INFO L168 Benchmark]: Toolchain (without parser) took 658.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:56:19,458 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:56:19,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:56:19,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.37 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. [2019-11-15 21:56:19,460 INFO L168 Benchmark]: Boogie Preprocessor took 17.99 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. [2019-11-15 21:56:19,460 INFO L168 Benchmark]: RCFGBuilder took 179.65 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:56:19,461 INFO L168 Benchmark]: BuchiAutomizer took 91.84 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:56:19,461 INFO L168 Benchmark]: Witness Printer took 3.10 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. [2019-11-15 21:56:19,464 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.37 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. * Boogie Preprocessor took 17.99 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. * RCFGBuilder took 179.65 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 91.84 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.10 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...