./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcat_malloc.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-15/cstrcat_malloc.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 49ee62d4582077ea40eccd3b6a167211b0327741ab3db574b13fc7447950d902 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:34:43,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:34:43,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:34:43,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:34:43,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:34:43,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:34:43,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:34:43,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:34:43,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:34:43,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:34:43,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:34:43,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:34:43,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:34:43,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:34:43,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:34:43,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:34:43,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:34:43,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:34:43,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:34:43,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:34:43,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:34:43,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:34:43,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:34:43,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:34:43,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:34:43,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:34:43,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:34:43,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:34:43,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:34:43,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:34:43,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:34:43,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:34:43,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:34:43,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:34:43,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:34:43,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:34:43,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:34:43,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:34:43,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:34:43,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:34:43,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:34:43,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:34:43,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:34:43,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:34:43,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:34:43,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:34:43,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:34:43,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:34:43,540 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:34:43,541 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:34:43,541 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:34:43,541 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:34:43,542 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:34:43,542 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:34:43,542 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:34:43,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:34:43,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:34:43,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:34:43,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:34:43,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:34:43,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:34:43,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:34:43,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:34:43,543 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:34:43,543 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:34:43,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:34:43,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:34:43,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:34:43,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:34:43,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:34:43,546 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:34:43,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49ee62d4582077ea40eccd3b6a167211b0327741ab3db574b13fc7447950d902 [2022-02-21 03:34:43,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:34:43,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:34:43,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:34:43,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:34:43,777 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:34:43,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcat_malloc.i [2022-02-21 03:34:43,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7d49f47/4dce0829b0194425ac250de613e73556/FLAGf227ff44e [2022-02-21 03:34:44,224 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:34:44,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcat_malloc.i [2022-02-21 03:34:44,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7d49f47/4dce0829b0194425ac250de613e73556/FLAGf227ff44e [2022-02-21 03:34:44,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7d49f47/4dce0829b0194425ac250de613e73556 [2022-02-21 03:34:44,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:34:44,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:34:44,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:34:44,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:34:44,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:34:44,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57dcfd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44, skipping insertion in model container [2022-02-21 03:34:44,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:34:44,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:34:44,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:34:44,539 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:34:44,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:34:44,607 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:34:44,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44 WrapperNode [2022-02-21 03:34:44,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:34:44,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:34:44,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:34:44,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:34:44,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,662 INFO L137 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-02-21 03:34:44,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:34:44,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:34:44,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:34:44,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:34:44,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:34:44,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:34:44,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:34:44,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:34:44,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (1/1) ... [2022-02-21 03:34:44,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:44,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:44,722 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) [2022-02-21 03:34:44,736 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 [2022-02-21 03:34:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:34:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:34:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-21 03:34:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:34:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:34:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:34:44,808 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:34:44,809 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:34:45,016 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:34:45,020 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:34:45,020 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 03:34:45,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:34:45 BoogieIcfgContainer [2022-02-21 03:34:45,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:34:45,022 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:34:45,022 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:34:45,024 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:34:45,025 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:34:45,025 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:34:44" (1/3) ... [2022-02-21 03:34:45,026 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fd1623f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:34:45, skipping insertion in model container [2022-02-21 03:34:45,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:34:45,026 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:44" (2/3) ... [2022-02-21 03:34:45,026 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fd1623f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:34:45, skipping insertion in model container [2022-02-21 03:34:45,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:34:45,027 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:34:45" (3/3) ... [2022-02-21 03:34:45,028 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrcat_malloc.i [2022-02-21 03:34:45,056 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:34:45,056 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:34:45,056 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:34:45,057 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:34:45,057 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:34:45,057 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:34:45,057 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:34:45,057 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:34:45,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-02-21 03:34:45,097 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:34:45,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:45,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:45,101 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:34:45,101 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:34:45,101 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:34:45,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-02-21 03:34:45,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:34:45,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:45,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:45,109 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:34:45,110 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:34:45,115 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; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet210#1, main_#t~nondet211#1, main_#t~nondet212#1, main_#t~malloc213#1.base, main_#t~malloc213#1.offset, main_#t~malloc214#1.base, main_#t~malloc214#1.offset, main_#t~ret215#1.base, main_#t~ret215#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet210#1;havoc main_#t~nondet210#1;main_~length2~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1;main_~length3~0#1 := main_#t~nondet212#1;havoc main_#t~nondet212#1; 12#L377true assume !(main_~length1~0#1 < 1); 15#L377-2true assume !(main_~length2~0#1 < 2); 8#L380-1true assume !(main_~length3~0#1 < 1); 11#L383-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc213#1.base, main_#t~malloc213#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc213#1.base, main_#t~malloc213#1.offset;havoc main_#t~malloc213#1.base, main_#t~malloc213#1.offset;call main_#t~malloc214#1.base, main_#t~malloc214#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc214#1.base, main_#t~malloc214#1.offset;havoc main_#t~malloc214#1.base, main_#t~malloc214#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset, cstrcat_#t~mem205#1, cstrcat_#t~post207#1.base, cstrcat_#t~post207#1.offset, cstrcat_#t~post208#1.base, cstrcat_#t~post208#1.offset, cstrcat_#t~mem209#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 3#L367-3true [2022-02-21 03:34:45,116 INFO L793 eck$LassoCheckResult]: Loop: 3#L367-3true call cstrcat_#t~mem205#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 16#L367-1true assume !!(0 != cstrcat_#t~mem205#1);havoc cstrcat_#t~mem205#1;cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post206#1.base, 1 + cstrcat_#t~post206#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset; 3#L367-3true [2022-02-21 03:34:45,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:45,123 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2022-02-21 03:34:45,130 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:45,130 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310963747] [2022-02-21 03:34:45,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:45,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:45,287 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:45,342 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:45,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:45,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2022-02-21 03:34:45,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:45,346 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985196236] [2022-02-21 03:34:45,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:45,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:45,372 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:45,376 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:45,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:45,380 INFO L85 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2022-02-21 03:34:45,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:45,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579050803] [2022-02-21 03:34:45,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:45,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:45,413 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:45,436 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:45,925 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:34:45,926 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:34:45,926 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:34:45,926 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:34:45,926 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:34:45,926 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:45,926 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:34:45,927 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:34:45,927 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat_malloc.i_Iteration1_Lasso [2022-02-21 03:34:45,927 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:34:45,927 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:34:45,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:45,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:45,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:45,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:45,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:45,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:45,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:46,935 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:34:46,938 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:34:46,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:46,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:46,941 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) [2022-02-21 03:34:46,960 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 [2022-02-21 03:34:46,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:46,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:46,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:46,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:46,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:46,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:46,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:46,967 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 [2022-02-21 03:34:46,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:47,006 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 [2022-02-21 03:34:47,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:47,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:47,008 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) [2022-02-21 03:34:47,009 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 [2022-02-21 03:34:47,010 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 [2022-02-21 03:34:47,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:47,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:47,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:47,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:47,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:47,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:47,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:47,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:47,040 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 [2022-02-21 03:34:47,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:47,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:47,041 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) [2022-02-21 03:34:47,042 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 [2022-02-21 03:34:47,043 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 [2022-02-21 03:34:47,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:47,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:47,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:47,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:47,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:47,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:47,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:47,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:47,076 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 [2022-02-21 03:34:47,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:47,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:47,077 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) [2022-02-21 03:34:47,078 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 [2022-02-21 03:34:47,079 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 [2022-02-21 03:34:47,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:47,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:47,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:47,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:47,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:47,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:47,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:47,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-02-21 03:34:47,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:47,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:47,117 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) [2022-02-21 03:34:47,118 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 [2022-02-21 03:34:47,119 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 [2022-02-21 03:34:47,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:47,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:47,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:47,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:47,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:47,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:47,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:47,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:47,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-02-21 03:34:47,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:47,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:47,146 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) [2022-02-21 03:34:47,147 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 [2022-02-21 03:34:47,148 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 [2022-02-21 03:34:47,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:47,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:47,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:47,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:47,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:47,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:47,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:47,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:47,172 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 [2022-02-21 03:34:47,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:47,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:47,173 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) [2022-02-21 03:34:47,174 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 [2022-02-21 03:34:47,175 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 [2022-02-21 03:34:47,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:47,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:47,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:47,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:47,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:47,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:47,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:47,212 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 [2022-02-21 03:34:47,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:47,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:47,213 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) [2022-02-21 03:34:47,214 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 [2022-02-21 03:34:47,215 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 [2022-02-21 03:34:47,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:47,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:47,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:47,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:47,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:47,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:47,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:47,258 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 [2022-02-21 03:34:47,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:47,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:47,260 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) [2022-02-21 03:34:47,261 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 [2022-02-21 03:34:47,261 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 [2022-02-21 03:34:47,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:47,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:47,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:47,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:47,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:47,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:47,305 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:34:47,353 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-02-21 03:34:47,353 INFO L444 ModelExtractionUtils]: 35 out of 43 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-02-21 03:34:47,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:47,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:47,367 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) [2022-02-21 03:34:47,401 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:34:47,410 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 [2022-02-21 03:34:47,419 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-02-21 03:34:47,419 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:34:47,420 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcat_~s~0#1.base)_1, ULTIMATE.start_cstrcat_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcat_~s~0#1.base)_1 - 1*ULTIMATE.start_cstrcat_~s~0#1.offset Supporting invariants [] [2022-02-21 03:34:47,436 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 [2022-02-21 03:34:47,474 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-02-21 03:34:47,478 INFO L390 LassoCheck]: Loop: "call cstrcat_#t~mem205#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1);" "assume !!(0 != cstrcat_#t~mem205#1);havoc cstrcat_#t~mem205#1;cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post206#1.base, 1 + cstrcat_#t~post206#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset;" [2022-02-21 03:34:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:47,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:47,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:34:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:47,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:47,550 INFO L290 TraceCheckUtils]: 0: Hoare triple {25#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {25#unseeded} is VALID [2022-02-21 03:34:47,551 INFO L290 TraceCheckUtils]: 1: Hoare triple {25#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet210#1, main_#t~nondet211#1, main_#t~nondet212#1, main_#t~malloc213#1.base, main_#t~malloc213#1.offset, main_#t~malloc214#1.base, main_#t~malloc214#1.offset, main_#t~ret215#1.base, main_#t~ret215#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet210#1;havoc main_#t~nondet210#1;main_~length2~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1;main_~length3~0#1 := main_#t~nondet212#1;havoc main_#t~nondet212#1; {25#unseeded} is VALID [2022-02-21 03:34:47,551 INFO L290 TraceCheckUtils]: 2: Hoare triple {25#unseeded} assume !(main_~length1~0#1 < 1); {25#unseeded} is VALID [2022-02-21 03:34:47,552 INFO L290 TraceCheckUtils]: 3: Hoare triple {25#unseeded} assume !(main_~length2~0#1 < 2); {25#unseeded} is VALID [2022-02-21 03:34:47,552 INFO L290 TraceCheckUtils]: 4: Hoare triple {25#unseeded} assume !(main_~length3~0#1 < 1); {25#unseeded} is VALID [2022-02-21 03:34:47,552 INFO L290 TraceCheckUtils]: 5: Hoare triple {25#unseeded} assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc213#1.base, main_#t~malloc213#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc213#1.base, main_#t~malloc213#1.offset;havoc main_#t~malloc213#1.base, main_#t~malloc213#1.offset;call main_#t~malloc214#1.base, main_#t~malloc214#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc214#1.base, main_#t~malloc214#1.offset;havoc main_#t~malloc214#1.base, main_#t~malloc214#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset, cstrcat_#t~mem205#1, cstrcat_#t~post207#1.base, cstrcat_#t~post207#1.offset, cstrcat_#t~post208#1.base, cstrcat_#t~post208#1.offset, cstrcat_#t~mem209#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; {25#unseeded} is VALID [2022-02-21 03:34:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:47,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-21 03:34:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:47,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:47,586 INFO L290 TraceCheckUtils]: 0: Hoare triple {28#(>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcat_~s~0#1.offset|) (select |#length| |ULTIMATE.start_cstrcat_~s~0#1.base|)))} call cstrcat_#t~mem205#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); {88#(and (<= (+ |ULTIMATE.start_cstrcat_~s~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcat_~s~0#1.base|)) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcat_~s~0#1.offset|) (select |#length| |ULTIMATE.start_cstrcat_~s~0#1.base|))))} is VALID [2022-02-21 03:34:47,587 INFO L290 TraceCheckUtils]: 1: Hoare triple {88#(and (<= (+ |ULTIMATE.start_cstrcat_~s~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcat_~s~0#1.base|)) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcat_~s~0#1.offset|) (select |#length| |ULTIMATE.start_cstrcat_~s~0#1.base|))))} assume !!(0 != cstrcat_#t~mem205#1);havoc cstrcat_#t~mem205#1;cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post206#1.base, 1 + cstrcat_#t~post206#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset; {68#(or unseeded (and (>= oldRank0 0) (> oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcat_~s~0#1.offset|) (select |#length| |ULTIMATE.start_cstrcat_~s~0#1.base|)))))} is VALID [2022-02-21 03:34:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:34:47,608 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-02-21 03:34:47,615 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:34:47,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:47,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,621 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 [2022-02-21 03:34:47,621 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-02-21 03:34:47,679 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 45 transitions. Complement of second has 7 states. [2022-02-21 03:34:47,679 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 [2022-02-21 03:34:47,679 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:47,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-02-21 03:34:47,680 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:34:47,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:47,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:47,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-02-21 03:34:47,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:34:47,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:47,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:47,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. [2022-02-21 03:34:47,684 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:34:47,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:34:47,685 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-02-21 03:34:47,686 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:34:47,686 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 4 examples of accepted words. [2022-02-21 03:34:47,686 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-02-21 03:34:47,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:34:47,688 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:34:47,688 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2022-02-21 03:34:47,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2022-02-21 03:34:47,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:34:47,688 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:34:47,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:47,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:47,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:47,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:47,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:47,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:47,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 35 letters. Loop has 35 letters. [2022-02-21 03:34:47,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 35 letters. Loop has 35 letters. [2022-02-21 03:34:47,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 35 letters. Loop has 35 letters. [2022-02-21 03:34:47,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:34:47,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:34:47,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:34:47,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:34:47,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:34:47,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:34:47,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:34:47,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:34:47,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:34:47,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:34:47,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:34:47,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:34:47,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:34:47,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:34:47,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:34:47,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:47,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:47,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:47,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:34:47,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:34:47,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:34:47,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:47,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:47,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:47,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,694 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-02-21 03:34:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-02-21 03:34:47,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:47,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:34:47,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2022-02-21 03:34:47,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:47,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2022-02-21 03:34:47,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:34:47,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2022-02-21 03:34:47,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:34:47,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:34:47,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:34:47,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:34:47,703 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:34:47,703 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:34:47,703 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:34:47,703 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:34:47,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:34:47,703 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:34:47,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:34:47,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:34:47 BoogieIcfgContainer [2022-02-21 03:34:47,709 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:34:47,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:34:47,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:34:47,710 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:34:47,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:34:45" (3/4) ... [2022-02-21 03:34:47,713 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:34:47,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:34:47,715 INFO L158 Benchmark]: Toolchain (without parser) took 3468.01ms. Allocated memory was 79.7MB in the beginning and 125.8MB in the end (delta: 46.1MB). Free memory was 44.7MB in the beginning and 62.6MB in the end (delta: -17.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-02-21 03:34:47,715 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 59.1MB in the beginning and 59.1MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:34:47,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.43ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 44.5MB in the beginning and 71.1MB in the end (delta: -26.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 03:34:47,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.46ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 68.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:34:47,718 INFO L158 Benchmark]: Boogie Preprocessor took 19.86ms. Allocated memory is still 104.9MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:34:47,718 INFO L158 Benchmark]: RCFGBuilder took 336.80ms. Allocated memory is still 104.9MB. Free memory was 67.4MB in the beginning and 53.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-21 03:34:47,718 INFO L158 Benchmark]: BuchiAutomizer took 2687.50ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 53.7MB in the beginning and 62.6MB in the end (delta: -8.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-02-21 03:34:47,719 INFO L158 Benchmark]: Witness Printer took 3.17ms. Allocated memory is still 125.8MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:34:47,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 59.1MB in the beginning and 59.1MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.43ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 44.5MB in the beginning and 71.1MB in the end (delta: -26.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.46ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 68.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.86ms. Allocated memory is still 104.9MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.80ms. Allocated memory is still 104.9MB. Free memory was 67.4MB in the beginning and 53.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2687.50ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 53.7MB in the beginning and 62.6MB in the end (delta: -8.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Witness Printer took 3.17ms. Allocated memory is still 125.8MB. Free memory is still 62.6MB. 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 -1 * s + unknown-#length-unknown[s] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. 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, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 19 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital179 mio100 ax100 hnf100 lsp96 ukn78 mio100 lsp47 div100 bol100 ite100 ukn100 eq184 hnf88 smp100 dnf196 smp89 tf100 neg95 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms 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 RESULT: Ultimate proved your program to be correct! [2022-02-21 03:34:47,749 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 [2022-02-21 03:34:47,949 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