./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 53eb964f347d54908ecbd10f35e9b63fbb661e4a7ab55b977edead5834613d23 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:28:39,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:28:39,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:28:39,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:28:39,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:28:39,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:28:39,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:28:39,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:28:39,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:28:39,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:28:39,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:28:39,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:28:39,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:28:39,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:28:39,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:28:39,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:28:39,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:28:39,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:28:39,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:28:39,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:28:39,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:28:39,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:28:39,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:28:39,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:28:39,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:28:39,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:28:39,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:28:39,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:28:39,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:28:39,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:28:39,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:28:39,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:28:39,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:28:39,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:28:39,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:28:39,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:28:39,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:28:39,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:28:39,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:28:39,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:28:39,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:28:39,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-16 09:28:39,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:28:39,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:28:39,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:28:39,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:28:39,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:28:39,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:28:39,444 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:28:39,444 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:28:39,444 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:28:39,444 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:28:39,445 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:28:39,445 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:28:39,445 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:28:39,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:28:39,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:28:39,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:28:39,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:28:39,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:28:39,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:28:39,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:28:39,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:28:39,447 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:28:39,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:28:39,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:28:39,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:28:39,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:28:39,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:28:39,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:28:39,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:28:39,449 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:28:39,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53eb964f347d54908ecbd10f35e9b63fbb661e4a7ab55b977edead5834613d23 [2021-12-16 09:28:39,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:28:39,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:28:39,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:28:39,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:28:39,629 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:28:39,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i [2021-12-16 09:28:39,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a70e8bfe/090d887bfdac4cc2a04230d0d0d0e881/FLAGed8b0d026 [2021-12-16 09:28:40,104 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:28:40,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i [2021-12-16 09:28:40,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a70e8bfe/090d887bfdac4cc2a04230d0d0d0e881/FLAGed8b0d026 [2021-12-16 09:28:40,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a70e8bfe/090d887bfdac4cc2a04230d0d0d0e881 [2021-12-16 09:28:40,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:28:40,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:28:40,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:28:40,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:28:40,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:28:40,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287961f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40, skipping insertion in model container [2021-12-16 09:28:40,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:28:40,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:28:40,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:28:40,767 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:28:40,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:28:40,817 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:28:40,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40 WrapperNode [2021-12-16 09:28:40,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:28:40,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:28:40,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:28:40,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:28:40,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,843 INFO L137 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2021-12-16 09:28:40,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:28:40,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:28:40,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:28:40,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:28:40,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:28:40,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:28:40,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:28:40,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:28:40,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (1/1) ... [2021-12-16 09:28:40,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:40,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:28:40,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:28:40,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 09:28:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 09:28:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 09:28:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 09:28:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:28:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:28:40,982 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:28:40,983 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:28:41,050 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:28:41,054 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:28:41,055 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 09:28:41,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:28:41 BoogieIcfgContainer [2021-12-16 09:28:41,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:28:41,057 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:28:41,057 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:28:41,077 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:28:41,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:28:41,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:28:40" (1/3) ... [2021-12-16 09:28:41,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@674a528c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:28:41, skipping insertion in model container [2021-12-16 09:28:41,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:28:41,079 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:28:40" (2/3) ... [2021-12-16 09:28:41,080 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@674a528c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:28:41, skipping insertion in model container [2021-12-16 09:28:41,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:28:41,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:28:41" (3/3) ... [2021-12-16 09:28:41,081 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemrchr-alloca-1.i [2021-12-16 09:28:41,109 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:28:41,109 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:28:41,110 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:28:41,110 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:28:41,110 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:28:41,110 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:28:41,110 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:28:41,110 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:28:41,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:28:41,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 09:28:41,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:28:41,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:28:41,134 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:28:41,134 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 09:28:41,134 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:28:41,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:28:41,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 09:28:41,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:28:41,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:28:41,136 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:28:41,136 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 09:28:41,148 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~MAX~0 := 100000; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 4#L565true assume !(main_~length~0#1 < 1); 11#L565-2true assume !(main_~n~0#1 < 1 || main_~n~0#1 > ~MAX~0); 14#L568-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;assume { :begin_inline_cmemrchr } true;cmemrchr_#in~s#1.base, cmemrchr_#in~s#1.offset, cmemrchr_#in~c#1, cmemrchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemrchr_#res#1.base, cmemrchr_#res#1.offset;havoc cmemrchr_#t~pre3#1.base, cmemrchr_#t~pre3#1.offset, cmemrchr_#t~mem4#1, cmemrchr_#t~pre2#1, cmemrchr_~s#1.base, cmemrchr_~s#1.offset, cmemrchr_~c#1, cmemrchr_~n#1, cmemrchr_~cp~0#1.base, cmemrchr_~cp~0#1.offset;cmemrchr_~s#1.base, cmemrchr_~s#1.offset := cmemrchr_#in~s#1.base, cmemrchr_#in~s#1.offset;cmemrchr_~c#1 := cmemrchr_#in~c#1;cmemrchr_~n#1 := cmemrchr_#in~n#1;havoc cmemrchr_~cp~0#1.base, cmemrchr_~cp~0#1.offset; 13#L551true assume 0 != cmemrchr_~n#1 % 18446744073709551616;cmemrchr_~cp~0#1.base, cmemrchr_~cp~0#1.offset := cmemrchr_~s#1.base, cmemrchr_~s#1.offset + (if cmemrchr_~n#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then cmemrchr_~n#1 % 18446744073709551616 % 18446744073709551616 else cmemrchr_~n#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616); 15#L553-4true [2021-12-16 09:28:41,149 INFO L793 eck$LassoCheckResult]: Loop: 15#L553-4true cmemrchr_#t~pre3#1.base, cmemrchr_#t~pre3#1.offset := cmemrchr_~cp~0#1.base, cmemrchr_~cp~0#1.offset - 1;cmemrchr_~cp~0#1.base, cmemrchr_~cp~0#1.offset := cmemrchr_~cp~0#1.base, cmemrchr_~cp~0#1.offset - 1;call cmemrchr_#t~mem4#1 := read~int(cmemrchr_#t~pre3#1.base, cmemrchr_#t~pre3#1.offset, 1); 16#L554true assume !(cmemrchr_#t~mem4#1 % 256 == cmemrchr_~c#1 % 256);havoc cmemrchr_#t~pre3#1.base, cmemrchr_#t~pre3#1.offset;havoc cmemrchr_#t~mem4#1; 10#L553-1true cmemrchr_#t~pre2#1 := cmemrchr_~n#1 - 1;cmemrchr_~n#1 := cmemrchr_~n#1 - 1; 8#L553-2true assume !!(0 != cmemrchr_#t~pre2#1 % 18446744073709551616);havoc cmemrchr_#t~pre2#1; 15#L553-4true [2021-12-16 09:28:41,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:28:41,157 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2021-12-16 09:28:41,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:28:41,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286975384] [2021-12-16 09:28:41,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:28:41,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:28:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:28:41,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:28:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:28:41,273 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:28:41,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:28:41,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1605803, now seen corresponding path program 1 times [2021-12-16 09:28:41,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:28:41,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307569658] [2021-12-16 09:28:41,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:28:41,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:28:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:28:41,289 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:28:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:28:41,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:28:41,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:28:41,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1592233654, now seen corresponding path program 1 times [2021-12-16 09:28:41,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:28:41,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734281977] [2021-12-16 09:28:41,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:28:41,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:28:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:28:41,324 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:28:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:28:41,345 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:28:41,835 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:28:41,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:28:41,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:28:41,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:28:41,836 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:28:41,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:41,836 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:28:41,836 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:28:41,837 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemrchr-alloca-1.i_Iteration1_Lasso [2021-12-16 09:28:41,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:28:41,837 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:28:41,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:41,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:41,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:41,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:41,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:41,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:41,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:28:42,451 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:28:42,453 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:28:42,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:42,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:28:42,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:28:42,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:28:42,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:28:42,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:28:42,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:28:42,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:28:42,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:28:42,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:28:42,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:28:42,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-16 09:28:42,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:28:42,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-16 09:28:42,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:42,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:28:42,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:28:42,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-16 09:28:42,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:28:42,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:28:42,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:28:42,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:28:42,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:28:42,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:28:42,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:28:42,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:28:42,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:28:42,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-16 09:28:42,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:42,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:28:42,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:28:42,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-16 09:28:42,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:28:42,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:28:42,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:28:42,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:28:42,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:28:42,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:28:42,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:28:42,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:28:42,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:28:42,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-16 09:28:42,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:42,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:28:42,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:28:42,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-16 09:28:42,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:28:42,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:28:42,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:28:42,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:28:42,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:28:42,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:28:42,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:28:42,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:28:42,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:28:42,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-16 09:28:42,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:42,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:28:42,652 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:28:42,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-16 09:28:42,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:28:42,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:28:42,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:28:42,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:28:42,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:28:42,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:28:42,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:28:42,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:28:42,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-16 09:28:42,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:42,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:28:42,695 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:28:42,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-16 09:28:42,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:28:42,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:28:42,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:28:42,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:28:42,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:28:42,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:28:42,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:28:42,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:28:42,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:28:42,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-16 09:28:42,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:42,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:28:42,725 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:28:42,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-16 09:28:42,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:28:42,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:28:42,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:28:42,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:28:42,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:28:42,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:28:42,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:28:42,791 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:28:42,838 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-16 09:28:42,838 INFO L444 ModelExtractionUtils]: 30 out of 37 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-16 09:28:42,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:28:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:28:42,855 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:28:42,881 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:28:42,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-16 09:28:42,902 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 09:28:42,903 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:28:42,903 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemrchr_~cp~0#1.offset) = 1*ULTIMATE.start_cmemrchr_~cp~0#1.offset Supporting invariants [] [2021-12-16 09:28:42,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-16 09:28:42,942 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-12-16 09:28:42,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:28:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:28:42,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:28:42,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:28:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:28:43,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-16 09:28:43,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:28:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:28:43,060 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:28:43,061 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:28:43,100 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 40 transitions. Complement of second has 5 states. [2021-12-16 09:28:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 09:28:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:28:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2021-12-16 09:28:43,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-16 09:28:43,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:28:43,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-16 09:28:43,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:28:43,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 6 letters. Loop has 8 letters. [2021-12-16 09:28:43,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:28:43,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 40 transitions. [2021-12-16 09:28:43,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:28:43,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-12-16 09:28:43,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 09:28:43,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 09:28:43,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 09:28:43,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:28:43,111 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:28:43,112 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:28:43,112 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:28:43,112 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:28:43,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 09:28:43,112 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:28:43,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 09:28:43,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 09:28:43 BoogieIcfgContainer [2021-12-16 09:28:43,116 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 09:28:43,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 09:28:43,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 09:28:43,117 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 09:28:43,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:28:41" (3/4) ... [2021-12-16 09:28:43,119 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 09:28:43,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 09:28:43,120 INFO L158 Benchmark]: Toolchain (without parser) took 2605.45ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 77.8MB in the beginning and 103.5MB in the end (delta: -25.7MB). Peak memory consumption was 916.9kB. Max. memory is 16.1GB. [2021-12-16 09:28:43,120 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:28:43,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.26ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 77.5MB in the beginning and 103.1MB in the end (delta: -25.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-12-16 09:28:43,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.16ms. Allocated memory is still 132.1MB. Free memory was 103.1MB in the beginning and 101.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:28:43,121 INFO L158 Benchmark]: Boogie Preprocessor took 15.03ms. Allocated memory is still 132.1MB. Free memory was 101.1MB in the beginning and 100.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:28:43,122 INFO L158 Benchmark]: RCFGBuilder took 196.83ms. Allocated memory is still 132.1MB. Free memory was 100.1MB in the beginning and 90.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 09:28:43,122 INFO L158 Benchmark]: BuchiAutomizer took 2059.70ms. Allocated memory is still 132.1MB. Free memory was 90.3MB in the beginning and 103.5MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:28:43,122 INFO L158 Benchmark]: Witness Printer took 2.47ms. Allocated memory is still 132.1MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:28:43,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.26ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 77.5MB in the beginning and 103.1MB in the end (delta: -25.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.16ms. Allocated memory is still 132.1MB. Free memory was 103.1MB in the beginning and 101.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.03ms. Allocated memory is still 132.1MB. Free memory was 101.1MB in the beginning and 100.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 196.83ms. Allocated memory is still 132.1MB. Free memory was 100.1MB in the beginning and 90.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2059.70ms. Allocated memory is still 132.1MB. Free memory was 90.3MB in the beginning and 103.5MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.47ms. Allocated memory is still 132.1MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * 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 cp and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. 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: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 21 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital139 mio100 ax112 hnf100 lsp82 ukn100 mio100 lsp54 div205 bol100 ite100 ukn100 eq168 hnf64 smp95 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating [2021-12-16 09:28:43,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 RESULT: Ultimate proved your program to be correct! [2021-12-16 09:28:43,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE