./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memset2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety/memset2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 89c40e0e226fdcfbda8631272bf2c238348d58a6 ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 08:20:13,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 08:20:13,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 08:20:13,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 08:20:13,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 08:20:13,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 08:20:13,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 08:20:13,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 08:20:13,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 08:20:13,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 08:20:13,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 08:20:13,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 08:20:13,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 08:20:13,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 08:20:13,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 08:20:13,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 08:20:13,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 08:20:13,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 08:20:13,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 08:20:13,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 08:20:13,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 08:20:13,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 08:20:13,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 08:20:13,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 08:20:13,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 08:20:13,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 08:20:13,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 08:20:13,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 08:20:13,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 08:20:13,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 08:20:13,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 08:20:13,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 08:20:13,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 08:20:13,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 08:20:13,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 08:20:13,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 08:20:13,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 08:20:13,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 08:20:13,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 08:20:13,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 08:20:13,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 08:20:13,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 08:20:13,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 08:20:13,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 08:20:13,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 08:20:13,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 08:20:13,992 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 08:20:13,992 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 08:20:13,992 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 08:20:13,992 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 08:20:13,992 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 08:20:13,992 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 08:20:13,993 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 08:20:13,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 08:20:13,993 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 08:20:13,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 08:20:13,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 08:20:13,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 08:20:13,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 08:20:13,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 08:20:13,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 08:20:13,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 08:20:13,994 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 08:20:13,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 08:20:13,995 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 08:20:13,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 08:20:13,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 08:20:13,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 08:20:13,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 08:20:13,996 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 08:20:13,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 08:20:13,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 08:20:13,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 08:20:13,996 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 08:20:13,997 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 08:20:13,998 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 89c40e0e226fdcfbda8631272bf2c238348d58a6 [2020-10-20 08:20:14,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 08:20:14,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 08:20:14,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 08:20:14,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 08:20:14,218 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 08:20:14,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memset2.c [2020-10-20 08:20:14,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd49d2e8/be5f49422f034f12a87e280b11224171/FLAGd147e4740 [2020-10-20 08:20:14,684 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 08:20:14,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memset2.c [2020-10-20 08:20:14,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd49d2e8/be5f49422f034f12a87e280b11224171/FLAGd147e4740 [2020-10-20 08:20:15,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd49d2e8/be5f49422f034f12a87e280b11224171 [2020-10-20 08:20:15,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 08:20:15,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 08:20:15,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 08:20:15,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 08:20:15,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 08:20:15,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e54773c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15, skipping insertion in model container [2020-10-20 08:20:15,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 08:20:15,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 08:20:15,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:20:15,399 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 08:20:15,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:20:15,441 INFO L208 MainTranslator]: Completed translation [2020-10-20 08:20:15,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15 WrapperNode [2020-10-20 08:20:15,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 08:20:15,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 08:20:15,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 08:20:15,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 08:20:15,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 08:20:15,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 08:20:15,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 08:20:15,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 08:20:15,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... [2020-10-20 08:20:15,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 08:20:15,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 08:20:15,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 08:20:15,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 08:20:15,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 08:20:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 08:20:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 08:20:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 08:20:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 08:20:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 08:20:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 08:20:15,650 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 08:20:15,833 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 08:20:15,833 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-20 08:20:15,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:20:15 BoogieIcfgContainer [2020-10-20 08:20:15,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 08:20:15,837 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 08:20:15,837 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 08:20:15,842 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 08:20:15,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:20:15,843 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 08:20:15" (1/3) ... [2020-10-20 08:20:15,844 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1584b051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:20:15, skipping insertion in model container [2020-10-20 08:20:15,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:20:15,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:15" (2/3) ... [2020-10-20 08:20:15,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1584b051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:20:15, skipping insertion in model container [2020-10-20 08:20:15,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:20:15,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:20:15" (3/3) ... [2020-10-20 08:20:15,849 INFO L373 chiAutomizerObserver]: Analyzing ICFG memset2.c [2020-10-20 08:20:15,914 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 08:20:15,914 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 08:20:15,914 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 08:20:15,914 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 08:20:15,915 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 08:20:15,915 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 08:20:15,915 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 08:20:15,915 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 08:20:15,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-20 08:20:15,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 08:20:15,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:20:15,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:20:16,002 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 08:20:16,002 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:20:16,003 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 08:20:16,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-20 08:20:16,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 08:20:16,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:20:16,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:20:16,007 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 08:20:16,007 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:20:16,018 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~memset~res3.base, main_#t~memset~res3.offset, main_~#cstats~0.base, main_~#cstats~0.offset;call main_~#cstats~0.base, main_~#cstats~0.offset := #Ultimate.allocOnStack(40); 8#L22true call main_#t~memset~res3.base, main_#t~memset~res3.offset := #Ultimate.C_memset(main_~#cstats~0.base, main_~#cstats~0.offset, 0, 40);< 7##Ultimate.C_memsetENTRYtrue assume 1 == #valid[#ptr.base];assume #amount + #ptr.offset <= #length[#ptr.base] && 0 <= #ptr.offset; 4#$Ultimate##0true #t~loopctr5 := 0; 14#L-1-1true [2020-10-20 08:20:16,018 INFO L796 eck$LassoCheckResult]: Loop: 14#L-1-1true assume #t~loopctr5 < #amount;#t~loopctr5 := 1 + #t~loopctr5; 14#L-1-1true [2020-10-20 08:20:16,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:16,026 INFO L82 PathProgramCache]: Analyzing trace with hash 37284879, now seen corresponding path program 1 times [2020-10-20 08:20:16,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:20:16,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014043899] [2020-10-20 08:20:16,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:20:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:16,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:16,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:16,224 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:20:16,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:16,226 INFO L82 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2020-10-20 08:20:16,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:20:16,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427444578] [2020-10-20 08:20:16,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:20:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:16,232 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:16,234 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:16,235 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:20:16,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:16,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1155831254, now seen corresponding path program 1 times [2020-10-20 08:20:16,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:20:16,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298082010] [2020-10-20 08:20:16,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:20:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:16,260 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:16,289 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:16,294 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:20:16,341 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:20:16,342 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:20:16,342 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:20:16,342 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:20:16,343 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 08:20:16,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:16,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:20:16,343 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:20:16,343 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset2.c_Iteration1_Loop [2020-10-20 08:20:16,344 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:20:16,344 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:20:16,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:16,426 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:20:16,427 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:20:16,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 08:20:16,442 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:16,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 08:20:16,477 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 08:20:16,605 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 08:20:16,607 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:20:16,607 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:20:16,607 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:20:16,607 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:20:16,607 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:20:16,608 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:16,608 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:20:16,608 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:20:16,608 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset2.c_Iteration1_Loop [2020-10-20 08:20:16,608 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:20:16,608 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:20:16,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:16,638 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:20:16,643 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:16,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:16,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:16,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:16,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:16,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:16,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:16,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:16,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:20:16,671 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 08:20:16,681 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 08:20:16,682 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:16,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 08:20:16,687 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 08:20:16,688 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 08:20:16,688 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memset_#t~loopctr5, #Ultimate.C_memset_#amount) = -1*#Ultimate.C_memset_#t~loopctr5 + 1*#Ultimate.C_memset_#amount Supporting invariants [] [2020-10-20 08:20:16,713 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 08:20:16,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #amount [2020-10-20 08:20:16,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:20:16,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:20:16,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:20:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:20:16,820 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:20:16,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:20:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:20:16,839 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-20 08:20:16,841 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 2 states. [2020-10-20 08:20:16,898 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 2 states. Result 15 states and 17 transitions. Complement of second has 6 states. [2020-10-20 08:20:16,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 08:20:16,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 08:20:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-10-20 08:20:16,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-20 08:20:16,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:20:16,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-20 08:20:16,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:20:16,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-20 08:20:16,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:20:16,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2020-10-20 08:20:16,911 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:20:16,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-10-20 08:20:16,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 08:20:16,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 08:20:16,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 08:20:16,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:20:16,916 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:20:16,916 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:20:16,916 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:20:16,916 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 08:20:16,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 08:20:16,917 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:20:16,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 08:20:16,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 08:20:16 BoogieIcfgContainer [2020-10-20 08:20:16,923 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 08:20:16,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 08:20:16,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 08:20:16,924 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 08:20:16,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:20:15" (3/4) ... [2020-10-20 08:20:16,927 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 08:20:16,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 08:20:16,930 INFO L168 Benchmark]: Toolchain (without parser) took 1868.73 ms. Allocated memory was 36.2 MB in the beginning and 48.8 MB in the end (delta: 12.6 MB). Free memory was 16.8 MB in the beginning and 13.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:16,931 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.9 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. [2020-10-20 08:20:16,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.87 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 16.0 MB in the beginning and 27.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:16,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 44.6 MB. Free memory was 27.1 MB in the beginning and 25.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:16,934 INFO L168 Benchmark]: Boogie Preprocessor took 23.73 ms. Allocated memory is still 44.6 MB. Free memory was 25.6 MB in the beginning and 24.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:16,935 INFO L168 Benchmark]: RCFGBuilder took 324.90 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 24.4 MB in the beginning and 26.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:16,936 INFO L168 Benchmark]: BuchiAutomizer took 1086.20 ms. Allocated memory was 46.7 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Free memory was 26.4 MB in the beginning and 14.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:16,937 INFO L168 Benchmark]: Witness Printer took 4.41 ms. Allocated memory is still 48.8 MB. Free memory was 14.6 MB in the beginning and 13.9 MB in the end (delta: 657.7 kB). Peak memory consumption was 657.7 kB. Max. memory is 14.3 GB. [2020-10-20 08:20:16,943 INFO L339 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 34.1 MB. Free memory was 9.9 MB in the beginning and 9.9 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 377.87 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 16.0 MB in the beginning and 27.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 44.6 MB. Free memory was 27.1 MB in the beginning and 25.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 23.73 ms. Allocated memory is still 44.6 MB. Free memory was 25.6 MB in the beginning and 24.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 324.90 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 24.4 MB in the beginning and 26.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1086.20 ms. Allocated memory was 46.7 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Free memory was 26.4 MB in the beginning and 14.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. * Witness Printer took 4.41 ms. Allocated memory is still 48.8 MB. Free memory was 14.6 MB in the beginning and 13.9 MB in the end (delta: 657.7 kB). Peak memory consumption was 657.7 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #amount * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr5-aux + unknown-#amount-unknown and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 6 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 43ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...