./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.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-recursive-malloc/mutual_simple.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 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:35:37,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:35:37,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:35:37,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:35:37,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:35:37,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:35:37,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:35:37,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:35:37,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:35:37,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:35:37,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:35:37,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:35:37,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:35:37,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:35:37,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:35:37,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:35:37,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:35:37,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:35:37,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:35:37,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:35:37,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:35:37,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:35:37,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:35:37,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:35:37,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:35:37,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:35:37,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:35:37,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:35:37,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:35:37,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:35:37,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:35:37,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:35:37,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:35:37,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:35:37,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:35:37,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:35:37,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:35:37,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:35:37,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:35:37,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:35:37,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:35:37,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:35:37,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:35:37,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:35:37,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:35:37,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:35:37,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:35:37,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:35:37,339 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:35:37,339 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:35:37,340 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:35:37,340 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:35:37,340 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:35:37,341 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:35:37,341 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:35:37,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:35:37,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:35:37,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:35:37,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:35:37,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:35:37,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:35:37,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:35:37,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:35:37,342 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:35:37,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:35:37,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:35:37,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:35:37,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:35:37,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:35:37,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:35:37,344 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:35:37,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 [2022-02-21 03:35:37,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:35:37,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:35:37,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:35:37,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:35:37,577 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:35:37,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-02-21 03:35:37,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9380ee9/c00c0253a3f84dea9c67cd4613119d44/FLAG1efe5a8e0 [2022-02-21 03:35:37,952 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:35:37,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-02-21 03:35:37,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9380ee9/c00c0253a3f84dea9c67cd4613119d44/FLAG1efe5a8e0 [2022-02-21 03:35:38,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9380ee9/c00c0253a3f84dea9c67cd4613119d44 [2022-02-21 03:35:38,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:35:38,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:35:38,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:35:38,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:35:38,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:35:38,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b93baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38, skipping insertion in model container [2022-02-21 03:35:38,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:35:38,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:35:38,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:35:38,540 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:35:38,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:35:38,564 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:35:38,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38 WrapperNode [2022-02-21 03:35:38,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:35:38,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:35:38,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:35:38,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:35:38,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,586 INFO L137 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2022-02-21 03:35:38,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:35:38,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:35:38,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:35:38,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:35:38,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:35:38,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:35:38,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:35:38,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:35:38,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (1/1) ... [2022-02-21 03:35:38,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:38,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:38,651 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 03:35:38,670 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 03:35:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:35:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-21 03:35:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-02-21 03:35:38,685 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-02-21 03:35:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-02-21 03:35:38,685 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-02-21 03:35:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:35:38,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:35:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:35:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:35:38,735 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:35:38,736 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:35:38,871 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:35:38,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:35:38,886 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-21 03:35:38,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:35:38 BoogieIcfgContainer [2022-02-21 03:35:38,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:35:38,888 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:35:38,888 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:35:38,891 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:35:38,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:35:38,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:35:38" (1/3) ... [2022-02-21 03:35:38,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c299c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:35:38, skipping insertion in model container [2022-02-21 03:35:38,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:35:38,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:38" (2/3) ... [2022-02-21 03:35:38,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c299c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:35:38, skipping insertion in model container [2022-02-21 03:35:38,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:35:38,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:35:38" (3/3) ... [2022-02-21 03:35:38,895 INFO L388 chiAutomizerObserver]: Analyzing ICFG mutual_simple.i [2022-02-21 03:35:38,945 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:35:38,947 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:35:38,947 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:35:38,947 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:35:38,947 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:35:38,948 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:35:38,948 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:35:38,948 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:35:38,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-21 03:35:38,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:35:38,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:35:38,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:35:38,990 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:35:38,991 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:35:38,991 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:35:38,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-21 03:35:38,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:35:38,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:35:38,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:35:38,994 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:35:38,995 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:35:38,999 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call write~int(main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet6#1; 13#L37true call f(main_~p1~0#1.base, main_~p1~0#1.offset);< 11#fENTRYtrue [2022-02-21 03:35:39,002 INFO L793 eck$LassoCheckResult]: Loop: 11#fENTRYtrue ~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~q.base, ~q.offset, 4); 16#L13true assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem2 := read~int(~q.base, ~q.offset, 4);#t~post3 := #t~mem2;call write~int(#t~post3 - 1, ~q.base, ~q.offset, 4);havoc #t~mem2;havoc #t~post3; 18#L17true call g(~q.base, ~q.offset);< 12#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4); 15#L22true assume !(#t~mem4 < 0);havoc #t~mem4; 6#L25true call f(~p.base, ~p.offset);< 11#fENTRYtrue [2022-02-21 03:35:39,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:35:39,011 INFO L85 PathProgramCache]: Analyzing trace with hash 43767, now seen corresponding path program 1 times [2022-02-21 03:35:39,022 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:35:39,022 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169969856] [2022-02-21 03:35:39,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:35:39,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:35:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:39,122 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:35:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:39,167 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:35:39,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:35:39,169 INFO L85 PathProgramCache]: Analyzing trace with hash 891860259, now seen corresponding path program 1 times [2022-02-21 03:35:39,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:35:39,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730130538] [2022-02-21 03:35:39,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:35:39,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:35:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:39,206 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:35:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:39,226 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:35:39,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:35:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash -306262119, now seen corresponding path program 1 times [2022-02-21 03:35:39,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:35:39,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434597555] [2022-02-21 03:35:39,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:35:39,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:35:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:39,264 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:35:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:39,284 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:35:40,226 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:35:40,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:35:40,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:35:40,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:35:40,227 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:35:40,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:40,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:35:40,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:35:40,228 INFO L133 ssoRankerPreferences]: Filename of dumped script: mutual_simple.i_Iteration1_Lasso [2022-02-21 03:35:40,228 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:35:40,228 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:35:40,240 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 03:35:40,245 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 03:35:40,248 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 03:35:40,250 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 03:35:40,254 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 03:35:40,256 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 03:35:40,258 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 03:35:40,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:35:40,262 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 03:35:40,264 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 03:35:40,361 WARN L259 bleTransFormulaUtils]: 1 quantified variables [2022-02-21 03:35:40,362 WARN L259 bleTransFormulaUtils]: 1 quantified variables [2022-02-21 03:35:40,364 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 03:35:40,366 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 03:35:40,369 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 03:35:40,371 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 03:35:40,373 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 03:35:40,376 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 03:35:40,378 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 03:35:40,380 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 03:35:40,383 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 03:35:40,386 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 03:35:40,388 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 03:35:40,389 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 03:35:40,391 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 03:35:40,392 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 03:35:40,715 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:35:40,717 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:35:40,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:40,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:40,720 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 03:35:40,725 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 03:35:40,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:40,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:40,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:40,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:40,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:40,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:40,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:40,742 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 03:35:40,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:40,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-02-21 03:35:40,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:40,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:40,763 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 03:35:40,767 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 03:35:40,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:40,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:40,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:40,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:40,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:40,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:40,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:40,777 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 03:35:40,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:40,803 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 03:35:40,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:40,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:40,804 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 03:35:40,805 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 03:35:40,807 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 03:35:40,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:40,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:40,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:40,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:40,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:40,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:40,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:40,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:40,855 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 03:35:40,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:40,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:40,857 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 03:35:40,858 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 03:35:40,860 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 03:35:40,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:40,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:40,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:40,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:40,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:35:40,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:35:40,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:40,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-02-21 03:35:40,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:40,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:40,903 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 03:35:40,905 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 03:35:40,906 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 03:35:40,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:40,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:40,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:40,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:40,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:40,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:40,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:40,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:40,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-02-21 03:35:40,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:40,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:40,940 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 03:35:40,941 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 03:35:40,942 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 03:35:40,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:40,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:40,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:40,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:40,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:40,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:40,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:40,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:40,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-02-21 03:35:40,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:40,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:40,975 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 03:35:40,976 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 03:35:40,977 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 03:35:40,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:40,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:40,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:40,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:40,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:40,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:40,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:40,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:41,013 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 03:35:41,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:41,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:41,015 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 03:35:41,016 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 03:35:41,017 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 03:35:41,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:41,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:41,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:41,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:41,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:35:41,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:35:41,038 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:35:41,080 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-02-21 03:35:41,081 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-02-21 03:35:41,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:41,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:41,084 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 03:35:41,152 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 03:35:41,152 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:35:41,176 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-02-21 03:35:41,177 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:35:41,177 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2022-02-21 03:35:41,195 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 03:35:41,212 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-02-21 03:35:41,217 INFO L390 LassoCheck]: Loop: "~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~q.base, ~q.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem2 := read~int(~q.base, ~q.offset, 4);#t~post3 := #t~mem2;call write~int(#t~post3 - 1, ~q.base, ~q.offset, 4);havoc #t~mem2;havoc #t~post3;" "call g(~q.base, ~q.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);" "assume !(#t~mem4 < 0);havoc #t~mem4;" "call f(~p.base, ~p.offset);"< [2022-02-21 03:35:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:41,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:35:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:41,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:35:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:41,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:35:41,281 INFO L290 TraceCheckUtils]: 0: Hoare triple {27#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {27#unseeded} is VALID [2022-02-21 03:35:41,282 INFO L290 TraceCheckUtils]: 1: Hoare triple {27#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call write~int(main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet6#1; {27#unseeded} is VALID [2022-02-21 03:35:41,284 INFO L272 TraceCheckUtils]: 2: Hoare triple {27#unseeded} call f(main_~p1~0#1.base, main_~p1~0#1.offset); {27#unseeded} is VALID [2022-02-21 03:35:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:41,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-21 03:35:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:41,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:35:41,406 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 03:35:41,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-02-21 03:35:41,549 INFO L290 TraceCheckUtils]: 0: Hoare triple {30#(>= oldRank0 (select (select |#memory_int| |f_#in~q.base|) |f_#in~q.offset|))} ~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~q.base, ~q.offset, 4); {56#(<= (select (select |#memory_int| f_~q.base) f_~q.offset) oldRank0)} is VALID [2022-02-21 03:35:41,550 INFO L290 TraceCheckUtils]: 1: Hoare triple {56#(<= (select (select |#memory_int| f_~q.base) f_~q.offset) oldRank0)} assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem2 := read~int(~q.base, ~q.offset, 4);#t~post3 := #t~mem2;call write~int(#t~post3 - 1, ~q.base, ~q.offset, 4);havoc #t~mem2;havoc #t~post3; {60#(<= (+ (select (select |#memory_int| f_~q.base) f_~q.offset) 1) oldRank0)} is VALID [2022-02-21 03:35:41,561 INFO L272 TraceCheckUtils]: 2: Hoare triple {60#(<= (+ (select (select |#memory_int| f_~q.base) f_~q.offset) 1) oldRank0)} call g(~q.base, ~q.offset); {64#(<= (+ (select (select |#memory_int| |g_#in~p.base|) |g_#in~p.offset|) 1) oldRank0)} is VALID [2022-02-21 03:35:41,562 INFO L290 TraceCheckUtils]: 3: Hoare triple {64#(<= (+ (select (select |#memory_int| |g_#in~p.base|) |g_#in~p.offset|) 1) oldRank0)} ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4); {68#(and (<= (+ (select (select |#memory_int| g_~p.base) g_~p.offset) 1) oldRank0) (<= |g_#t~mem4| (select (select |#memory_int| g_~p.base) g_~p.offset)))} is VALID [2022-02-21 03:35:41,563 INFO L290 TraceCheckUtils]: 4: Hoare triple {68#(and (<= (+ (select (select |#memory_int| g_~p.base) g_~p.offset) 1) oldRank0) (<= |g_#t~mem4| (select (select |#memory_int| g_~p.base) g_~p.offset)))} assume !(#t~mem4 < 0);havoc #t~mem4; {72#(and (<= (+ (select (select |#memory_int| g_~p.base) g_~p.offset) 1) oldRank0) (<= 0 (select (select |#memory_int| g_~p.base) g_~p.offset)))} is VALID [2022-02-21 03:35:41,564 INFO L272 TraceCheckUtils]: 5: Hoare triple {72#(and (<= (+ (select (select |#memory_int| g_~p.base) g_~p.offset) 1) oldRank0) (<= 0 (select (select |#memory_int| g_~p.base) g_~p.offset)))} call f(~p.base, ~p.offset); {45#(or unseeded (and (>= oldRank0 0) (> oldRank0 (select (select |#memory_int| |f_#in~q.base|) |f_#in~q.offset|))))} is VALID [2022-02-21 03:35:41,564 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 03:35:41,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:35:41,603 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:35:41,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 6 letters. [2022-02-21 03:35:41,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,611 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-02-21 03:35:41,612 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:35:41,950 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 53 transitions. Complement of second has 22 states. [2022-02-21 03:35:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-02-21 03:35:41,951 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:35:41,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-21 03:35:41,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:35:41,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:35:41,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:35:41,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:35:41,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:35:41,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:35:41,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:35:41,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 53 transitions. [2022-02-21 03:35:41,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:35:41,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:35:41,960 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-21 03:35:41,962 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:35:41,963 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 6 examples of accepted words. [2022-02-21 03:35:41,963 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:35:41,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:35:41,964 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:35:41,964 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 47 states and 53 transitions. cyclomatic complexity: 7 [2022-02-21 03:35:41,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 53 transitions. cyclomatic complexity: 7 [2022-02-21 03:35:41,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:35:41,965 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:35:41,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 3 letters. Loop has 6 letters. [2022-02-21 03:35:41,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 6 letters. [2022-02-21 03:35:41,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 3 letters. Loop has 6 letters. [2022-02-21 03:35:41,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 1 letters. Loop has 6 letters. [2022-02-21 03:35:41,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 6 letters. [2022-02-21 03:35:41,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 6 letters. [2022-02-21 03:35:41,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 47 letters. Loop has 47 letters. [2022-02-21 03:35:41,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 47 letters. Loop has 47 letters. [2022-02-21 03:35:41,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 47 letters. Loop has 47 letters. [2022-02-21 03:35:41,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 17 letters. Loop has 17 letters. [2022-02-21 03:35:41,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 17 letters. Loop has 17 letters. [2022-02-21 03:35:41,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 17 letters. Loop has 17 letters. [2022-02-21 03:35:41,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:35:41,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:35:41,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:35:41,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 5 letters. Loop has 6 letters. [2022-02-21 03:35:41,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 6 letters. [2022-02-21 03:35:41,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 5 letters. Loop has 6 letters. [2022-02-21 03:35:41,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 7 letters. Loop has 6 letters. [2022-02-21 03:35:41,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 7 letters. Loop has 6 letters. [2022-02-21 03:35:41,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 7 letters. Loop has 6 letters. [2022-02-21 03:35:41,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 4 letters. Loop has 6 letters. [2022-02-21 03:35:41,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 6 letters. [2022-02-21 03:35:41,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 4 letters. Loop has 6 letters. [2022-02-21 03:35:41,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:35:41,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:35:41,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:35:41,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 8 letters. Loop has 6 letters. [2022-02-21 03:35:41,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 6 letters. [2022-02-21 03:35:41,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 8 letters. Loop has 6 letters. [2022-02-21 03:35:41,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 3 letters. Loop has 6 letters. [2022-02-21 03:35:41,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 6 letters. [2022-02-21 03:35:41,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 3 letters. Loop has 6 letters. [2022-02-21 03:35:41,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Stem has 1 letters. Loop has 6 letters. [2022-02-21 03:35:41,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 6 letters. [2022-02-21 03:35:41,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 47 states and 53 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 6 letters. [2022-02-21 03:35:41,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,988 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:35:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:35:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2022-02-21 03:35:41,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2022-02-21 03:35:41,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2022-02-21 03:35:41,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2022-02-21 03:35:41,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:41,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 53 transitions. cyclomatic complexity: 7 [2022-02-21 03:35:42,012 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:35:42,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 0 states and 0 transitions. [2022-02-21 03:35:42,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:35:42,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:35:42,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:35:42,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:35:42,016 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:35:42,016 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:35:42,016 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:35:42,016 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:35:42,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:35:42,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:35:42,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:35:42,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:35:42 BoogieIcfgContainer [2022-02-21 03:35:42,022 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:35:42,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:35:42,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:35:42,023 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:35:42,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:35:38" (3/4) ... [2022-02-21 03:35:42,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:35:42,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:35:42,028 INFO L158 Benchmark]: Toolchain (without parser) took 3638.81ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 32.3MB in the beginning and 80.7MB in the end (delta: -48.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:35:42,029 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 69.2MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:35:42,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.87ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 32.1MB in the beginning and 64.8MB in the end (delta: -32.8MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-02-21 03:35:42,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.80ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 63.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:35:42,034 INFO L158 Benchmark]: Boogie Preprocessor took 12.47ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 62.4MB in the end (delta: 786.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:35:42,034 INFO L158 Benchmark]: RCFGBuilder took 286.82ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 51.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:35:42,035 INFO L158 Benchmark]: BuchiAutomizer took 3134.20ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.4MB in the beginning and 81.7MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:35:42,035 INFO L158 Benchmark]: Witness Printer took 2.94ms. Allocated memory is still 111.1MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:35:42,040 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 69.2MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.87ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 32.1MB in the beginning and 64.8MB in the end (delta: -32.8MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.80ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 63.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.47ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 62.4MB in the end (delta: 786.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.82ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 51.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3134.20ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.4MB in the beginning and 81.7MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.94ms. Allocated memory is still 111.1MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 1.0MB). 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 unknown-#memory_int-unknown[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. 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, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 11 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital106 mio100 ax100 hnf100 lsp94 ukn68 mio100 lsp32 div100 bol100 ite100 ukn100 eq172 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms 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 03:35:42,086 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