./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/genady-alloca.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 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 01:39:24,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:39:24,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:39:24,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:39:24,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:39:24,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:39:24,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:39:24,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:39:24,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:39:24,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:39:24,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:39:24,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:39:24,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:39:24,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:39:24,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:39:24,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:39:24,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:39:24,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:39:24,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:39:24,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:39:24,361 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:39:24,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:39:24,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:39:24,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:39:24,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:39:24,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:39:24,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:39:24,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:39:24,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:39:24,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:39:24,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:39:24,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:39:24,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:39:24,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:39:24,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:39:24,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:39:24,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:39:24,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:39:24,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:39:24,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:39:24,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:39:24,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:39:24,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-22 01:39:24,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:39:24,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:39:24,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:39:24,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:39:24,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:39:24,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:39:24,411 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:39:24,411 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:39:24,412 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:39:24,412 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:39:24,412 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:39:24,412 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:39:24,413 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:39:24,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:39:24,420 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:39:24,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:39:24,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:39:24,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:39:24,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:39:24,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:39:24,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:39:24,422 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:39:24,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:39:24,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:39:24,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:39:24,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:39:24,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:39:24,423 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:39:24,425 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:39:24,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 [2022-07-22 01:39:24,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:39:24,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:39:24,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:39:24,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:39:24,701 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:39:24,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2022-07-22 01:39:24,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74cac4fa1/62a06b97ed1e4be7939ce71134a2f0b5/FLAGb92a4ae8f [2022-07-22 01:39:25,204 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:39:25,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2022-07-22 01:39:25,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74cac4fa1/62a06b97ed1e4be7939ce71134a2f0b5/FLAGb92a4ae8f [2022-07-22 01:39:25,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74cac4fa1/62a06b97ed1e4be7939ce71134a2f0b5 [2022-07-22 01:39:25,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:39:25,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:39:25,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:39:25,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:39:25,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:39:25,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:25" (1/1) ... [2022-07-22 01:39:25,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79748fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:25, skipping insertion in model container [2022-07-22 01:39:25,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:25" (1/1) ... [2022-07-22 01:39:25,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:39:25,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:39:25,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:39:26,003 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:39:26,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:39:26,063 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:39:26,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26 WrapperNode [2022-07-22 01:39:26,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:39:26,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:39:26,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:39:26,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:39:26,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,099 INFO L137 Inliner]: procedures = 109, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-07-22 01:39:26,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:39:26,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:39:26,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:39:26,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:39:26,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:39:26,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:39:26,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:39:26,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:39:26,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (1/1) ... [2022-07-22 01:39:26,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:26,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:26,156 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) [2022-07-22 01:39:26,174 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 [2022-07-22 01:39:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 01:39:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 01:39:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 01:39:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 01:39:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:39:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:39:26,256 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:39:26,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:39:26,382 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:39:26,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:39:26,388 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 01:39:26,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:26 BoogieIcfgContainer [2022-07-22 01:39:26,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:39:26,391 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:39:26,391 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:39:26,393 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:39:26,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:39:26,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:39:25" (1/3) ... [2022-07-22 01:39:26,395 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fdef615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:39:26, skipping insertion in model container [2022-07-22 01:39:26,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:39:26,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:26" (2/3) ... [2022-07-22 01:39:26,396 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fdef615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:39:26, skipping insertion in model container [2022-07-22 01:39:26,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:39:26,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:26" (3/3) ... [2022-07-22 01:39:26,397 INFO L354 chiAutomizerObserver]: Analyzing ICFG genady-alloca.i [2022-07-22 01:39:26,447 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:39:26,447 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:39:26,447 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:39:26,447 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:39:26,447 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:39:26,448 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:39:26,448 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:39:26,448 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:39:26,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 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) [2022-07-22 01:39:26,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:26,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:39:26,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:39:26,477 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:39:26,478 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:39:26,478 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:39:26,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 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) [2022-07-22 01:39:26,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:26,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:39:26,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:39:26,480 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:39:26,480 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:39:26,486 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(1, main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(10000, main_~i~0#1.base, main_~i~0#1.offset, 4); 6#L550-4true [2022-07-22 01:39:26,486 INFO L754 eck$LassoCheckResult]: Loop: 6#L550-4true call main_#t~mem6#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 9#L550-1true assume !!(main_#t~mem6#1 - main_#t~mem7#1 >= 1);havoc main_#t~mem6#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 7#L550-3true call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post5#1 := main_#t~mem4#1;call write~int(main_#t~post5#1 - 1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem4#1;havoc main_#t~post5#1; 6#L550-4true [2022-07-22 01:39:26,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:26,492 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-22 01:39:26,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:26,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940639237] [2022-07-22 01:39:26,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:26,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:26,624 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:39:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:26,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:39:26,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:26,671 INFO L85 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2022-07-22 01:39:26,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:26,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31702157] [2022-07-22 01:39:26,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:26,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:26,701 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:39:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:26,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:39:26,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:26,725 INFO L85 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2022-07-22 01:39:26,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:26,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424199413] [2022-07-22 01:39:26,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:26,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:26,752 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:39:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:26,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:39:27,228 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:39:27,229 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:39:27,229 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:39:27,229 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:39:27,229 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:39:27,229 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:27,229 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:39:27,230 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:39:27,230 INFO L133 ssoRankerPreferences]: Filename of dumped script: genady-alloca.i_Iteration1_Lasso [2022-07-22 01:39:27,230 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:39:27,230 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:39:27,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:27,802 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:39:27,807 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:39:27,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:27,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:27,824 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) [2022-07-22 01:39:27,827 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 [2022-07-22 01:39:27,830 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 [2022-07-22 01:39:27,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:27,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:27,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:27,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:27,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:27,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:27,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:27,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:27,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-22 01:39:27,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:27,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:27,877 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) [2022-07-22 01:39:27,878 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 [2022-07-22 01:39:27,879 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 [2022-07-22 01:39:27,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:27,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:27,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:27,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:27,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:27,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:27,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:27,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:27,923 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 [2022-07-22 01:39:27,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:27,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:27,925 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) [2022-07-22 01:39:27,926 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 [2022-07-22 01:39:27,927 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 [2022-07-22 01:39:27,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:27,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:27,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:27,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:27,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:27,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:27,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:27,985 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 [2022-07-22 01:39:27,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:27,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:27,987 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) [2022-07-22 01:39:27,989 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 [2022-07-22 01:39:27,992 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 [2022-07-22 01:39:27,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:27,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:27,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:28,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:28,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:28,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:28,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:28,031 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 [2022-07-22 01:39:28,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:28,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:28,032 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) [2022-07-22 01:39:28,033 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 [2022-07-22 01:39:28,034 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 [2022-07-22 01:39:28,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:28,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:28,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:28,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:28,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:28,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:28,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:28,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:28,068 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 [2022-07-22 01:39:28,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:28,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:28,076 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) [2022-07-22 01:39:28,076 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 [2022-07-22 01:39:28,078 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 [2022-07-22 01:39:28,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:28,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:28,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:28,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:28,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:28,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:28,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:28,115 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 [2022-07-22 01:39:28,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:28,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:28,116 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) [2022-07-22 01:39:28,117 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 [2022-07-22 01:39:28,119 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 [2022-07-22 01:39:28,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:28,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:28,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:28,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:28,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:28,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:28,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:28,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:28,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-22 01:39:28,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:28,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:28,150 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) [2022-07-22 01:39:28,151 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 [2022-07-22 01:39:28,152 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 [2022-07-22 01:39:28,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:28,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:28,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:28,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:28,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:28,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:28,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:28,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:28,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:28,204 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2022-07-22 01:39:28,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 01:39:28,206 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 [2022-07-22 01:39:28,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:28,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:28,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:28,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:28,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:28,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:28,231 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:39:28,262 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-22 01:39:28,262 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-07-22 01:39:28,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:28,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:28,265 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2022-07-22 01:39:28,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 01:39:28,268 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:39:28,306 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:39:28,307 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:39:28,307 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 - 1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_1 Supporting invariants [] [2022-07-22 01:39:28,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:28,371 INFO L293 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-07-22 01:39:28,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:39:28,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 01:39:28,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:39:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:39:28,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 01:39:28,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:39:28,521 INFO L356 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-07-22 01:39:28,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 39 [2022-07-22 01:39:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:28,584 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-22 01:39:28,585 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-22 01:39:28,619 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 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). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 21 states and 23 transitions. Complement of second has 7 states. [2022-07-22 01:39:28,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 01:39:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-22 01:39:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2022-07-22 01:39:28,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 3 letters. [2022-07-22 01:39:28,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:39:28,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-22 01:39:28,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:39:28,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-22 01:39:28,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:39:28,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2022-07-22 01:39:28,639 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:39:28,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2022-07-22 01:39:28,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 01:39:28,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 01:39:28,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 01:39:28,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 01:39:28,643 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:39:28,643 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:39:28,643 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:39:28,643 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 01:39:28,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 01:39:28,643 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:39:28,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 01:39:28,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 01:39:28 BoogieIcfgContainer [2022-07-22 01:39:28,649 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 01:39:28,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 01:39:28,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 01:39:28,650 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 01:39:28,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:26" (3/4) ... [2022-07-22 01:39:28,653 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 01:39:28,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 01:39:28,655 INFO L158 Benchmark]: Toolchain (without parser) took 2929.01ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 36.3MB in the beginning and 48.4MB in the end (delta: -12.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-07-22 01:39:28,658 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:39:28,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.89ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.2MB in the end (delta: -182.4kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 01:39:28,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.91ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 34.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:39:28,660 INFO L158 Benchmark]: Boogie Preprocessor took 21.63ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 33.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 01:39:28,660 INFO L158 Benchmark]: RCFGBuilder took 266.88ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 33.4MB in the beginning and 56.0MB in the end (delta: -22.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-07-22 01:39:28,662 INFO L158 Benchmark]: BuchiAutomizer took 2257.89ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 55.7MB in the beginning and 48.9MB in the end (delta: 6.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-07-22 01:39:28,662 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 92.3MB. Free memory was 48.9MB in the beginning and 48.4MB in the end (delta: 561.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 01:39:28,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.89ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.2MB in the end (delta: -182.4kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.91ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 34.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.63ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 33.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 266.88ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 33.4MB in the beginning and 56.0MB in the end (delta: -22.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2257.89ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 55.7MB in the beginning and 48.9MB in the end (delta: 6.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 92.3MB. Free memory was 48.9MB in the beginning and 48.4MB in the end (delta: 561.0kB). Peak memory consumption was 2.1MB. 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 -1 * unknown-#memory_int-unknown[j][j] + unknown-#memory_int-unknown[i][i] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 5 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital200 mio100 ax109 hnf100 lsp88 ukn61 mio100 lsp40 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 01:39:28,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:28,901 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