./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memset.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/memset.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 566f1414dafe692faf7ed7456be2d3e7d288640b ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 06:04:35,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 06:04:35,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 06:04:35,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 06:04:35,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 06:04:35,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 06:04:35,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 06:04:35,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 06:04:35,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 06:04:35,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 06:04:35,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 06:04:35,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 06:04:35,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 06:04:35,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 06:04:35,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 06:04:35,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 06:04:35,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 06:04:35,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 06:04:35,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 06:04:35,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 06:04:35,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 06:04:35,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 06:04:35,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 06:04:35,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 06:04:35,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 06:04:35,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 06:04:35,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 06:04:35,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 06:04:35,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 06:04:35,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 06:04:35,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 06:04:35,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 06:04:35,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 06:04:35,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 06:04:35,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 06:04:35,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 06:04:35,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 06:04:35,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 06:04:35,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 06:04:35,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 06:04:35,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 06:04:35,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 06:04:35,587 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 06:04:35,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 06:04:35,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 06:04:35,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 06:04:35,589 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 06:04:35,589 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 06:04:35,590 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 06:04:35,590 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 06:04:35,590 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 06:04:35,591 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 06:04:35,591 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 06:04:35,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 06:04:35,592 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 06:04:35,592 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 06:04:35,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 06:04:35,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 06:04:35,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 06:04:35,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 06:04:35,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 06:04:35,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 06:04:35,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 06:04:35,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 06:04:35,595 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 06:04:35,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 06:04:35,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 06:04:35,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 06:04:35,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 06:04:35,597 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 06:04:35,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 06:04:35,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 06:04:35,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 06:04:35,598 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 06:04:35,599 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 06:04:35,599 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 566f1414dafe692faf7ed7456be2d3e7d288640b [2020-10-26 06:04:36,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 06:04:36,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 06:04:36,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 06:04:36,052 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 06:04:36,053 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 06:04:36,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memset.c [2020-10-26 06:04:36,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24393828d/2949289e8d7047479c5f8dcad2cbd87c/FLAG542ad6562 [2020-10-26 06:04:36,763 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 06:04:36,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memset.c [2020-10-26 06:04:36,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24393828d/2949289e8d7047479c5f8dcad2cbd87c/FLAG542ad6562 [2020-10-26 06:04:37,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24393828d/2949289e8d7047479c5f8dcad2cbd87c [2020-10-26 06:04:37,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 06:04:37,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 06:04:37,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 06:04:37,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 06:04:37,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 06:04:37,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d33a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37, skipping insertion in model container [2020-10-26 06:04:37,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 06:04:37,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 06:04:37,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 06:04:37,450 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 06:04:37,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 06:04:37,495 INFO L208 MainTranslator]: Completed translation [2020-10-26 06:04:37,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37 WrapperNode [2020-10-26 06:04:37,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 06:04:37,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 06:04:37,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 06:04:37,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 06:04:37,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 06:04:37,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 06:04:37,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 06:04:37,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 06:04:37,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (1/1) ... [2020-10-26 06:04:37,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 06:04:37,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 06:04:37,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 06:04:37,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 06:04:37,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (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 [2020-10-26 06:04:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-26 06:04:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-26 06:04:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 06:04:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 06:04:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 06:04:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 06:04:37,756 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 06:04:37,844 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 06:04:37,844 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-26 06:04:37,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:04:37 BoogieIcfgContainer [2020-10-26 06:04:37,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 06:04:37,846 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 06:04:37,847 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 06:04:37,850 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 06:04:37,850 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 06:04:37,850 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 06:04:37" (1/3) ... [2020-10-26 06:04:37,851 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45e69659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 06:04:37, skipping insertion in model container [2020-10-26 06:04:37,851 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 06:04:37,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:37" (2/3) ... [2020-10-26 06:04:37,852 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45e69659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 06:04:37, skipping insertion in model container [2020-10-26 06:04:37,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 06:04:37,852 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:04:37" (3/3) ... [2020-10-26 06:04:37,853 INFO L373 chiAutomizerObserver]: Analyzing ICFG memset.c [2020-10-26 06:04:37,901 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 06:04:37,902 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 06:04:37,902 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 06:04:37,902 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 06:04:37,902 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 06:04:37,903 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 06:04:37,903 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 06:04:37,903 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 06:04:37,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-26 06:04:37,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 06:04:37,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:37,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:37,947 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 06:04:37,947 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 06:04:37,947 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 06:04:37,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-26 06:04:37,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 06:04:37,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:37,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:37,950 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 06:04:37,950 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 06:04:37,959 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(80); 7#L27true call main_#t~memset~res3.base, main_#t~memset~res3.offset := #Ultimate.C_memset(main_~#cstats~0.base, main_~#cstats~0.offset, 0, 80);< 8##Ultimate.C_memsetENTRYtrue assume 1 == #valid[#ptr.base];assume #amount + #ptr.offset <= #length[#ptr.base] && 0 <= #ptr.offset; 4#$Ultimate##0true #t~loopctr5 := 0; 14#L-1-1true [2020-10-26 06:04:37,959 INFO L796 eck$LassoCheckResult]: Loop: 14#L-1-1true assume #t~loopctr5 < #amount;#t~loopctr5 := 1 + #t~loopctr5; 14#L-1-1true [2020-10-26 06:04:37,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:37,967 INFO L82 PathProgramCache]: Analyzing trace with hash 37284879, now seen corresponding path program 1 times [2020-10-26 06:04:37,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:37,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576919875] [2020-10-26 06:04:37,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:38,096 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:38,112 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:38,133 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:38,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:38,135 INFO L82 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2020-10-26 06:04:38,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:38,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329551486] [2020-10-26 06:04:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:38,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:38,145 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:38,147 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:38,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:38,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1155831254, now seen corresponding path program 1 times [2020-10-26 06:04:38,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:38,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925984151] [2020-10-26 06:04:38,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:38,165 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:38,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:38,183 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:38,236 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 06:04:38,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 06:04:38,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 06:04:38,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 06:04:38,238 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 06:04:38,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:38,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 06:04:38,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 06:04:38,239 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset.c_Iteration1_Loop [2020-10-26 06:04:38,239 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 06:04:38,239 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 06:04:38,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:38,405 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 06:04:38,406 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:38,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 06:04:38,418 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2020-10-26 06:04:38,476 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 06:04:38,477 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:38,668 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 06:04:38,672 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 06:04:38,672 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 06:04:38,672 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 06:04:38,672 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 06:04:38,673 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 06:04:38,673 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:38,673 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 06:04:38,673 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 06:04:38,673 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset.c_Iteration1_Loop [2020-10-26 06:04:38,673 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 06:04:38,673 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 06:04:38,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:38,712 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 06:04:38,718 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) [2020-10-26 06:04:38,725 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 [2020-10-26 06:04:38,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:38,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:38,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:38,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:38,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:38,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:38,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:38,736 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 06:04:38,750 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-26 06:04:38,750 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 [2020-10-26 06:04:38,757 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 06:04:38,758 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 06:04:38,758 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 06:04:38,759 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 [] [2020-10-26 06:04:38,794 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 06:04:38,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #amount [2020-10-26 06:04:38,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:38,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 06:04:38,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:04:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:38,915 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 06:04:38,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:04:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:04:38,933 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 [2020-10-26 06:04:38,934 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 2 states. [2020-10-26 06:04:38,988 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. [2020-10-26 06:04:38,989 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 [2020-10-26 06:04:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-26 06:04:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-10-26 06:04:38,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-26 06:04:38,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:04:38,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-26 06:04:38,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:04:38,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-26 06:04:38,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:04:38,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2020-10-26 06:04:39,000 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 06:04:39,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-10-26 06:04:39,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 06:04:39,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 06:04:39,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 06:04:39,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 06:04:39,005 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 06:04:39,005 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 06:04:39,006 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 06:04:39,006 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 06:04:39,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 06:04:39,006 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 06:04:39,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 06:04:39,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 06:04:39 BoogieIcfgContainer [2020-10-26 06:04:39,013 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 06:04:39,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 06:04:39,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 06:04:39,015 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 06:04:39,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:04:37" (3/4) ... [2020-10-26 06:04:39,019 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 06:04:39,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 06:04:39,022 INFO L168 Benchmark]: Toolchain (without parser) took 1854.15 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.5 MB in the beginning and 31.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:39,023 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory was 24.2 MB in the beginning and 24.2 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 06:04:39,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.12 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 27.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:39,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.15 ms. Allocated memory is still 48.2 MB. Free memory was 27.3 MB in the beginning and 26.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 06:04:39,026 INFO L168 Benchmark]: Boogie Preprocessor took 26.27 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 25.1 MB in the end (delta: 980.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:39,028 INFO L168 Benchmark]: RCFGBuilder took 283.12 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 27.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:39,029 INFO L168 Benchmark]: BuchiAutomizer took 1167.13 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.3 MB in the beginning and 31.4 MB in the end (delta: -4.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:39,030 INFO L168 Benchmark]: Witness Printer took 5.17 ms. Allocated memory is still 58.7 MB. Free memory is still 31.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 06:04:39,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory was 24.2 MB in the beginning and 24.2 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.12 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 27.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.15 ms. Allocated memory is still 48.2 MB. Free memory was 27.3 MB in the beginning and 26.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.27 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 25.1 MB in the end (delta: 980.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 283.12 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 27.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1167.13 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.3 MB in the beginning and 31.4 MB in the end (delta: -4.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.17 ms. Allocated memory is still 58.7 MB. Free memory is still 31.1 MB. There was no memory consumed. Max. memory is 16.1 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 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 39ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...