./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/add_first_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/add_first_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ea4968571782a0593108aa19fa3fb36ed47eace1a8ac492bcee5a609e0ff08b8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 03:22:53,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:22:53,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:22:53,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:22:53,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:22:53,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:22:53,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:22:53,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:22:53,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:22:53,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:22:53,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:22:53,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:22:53,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:22:53,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:22:53,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:22:53,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:22:53,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:22:53,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:22:53,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:22:53,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:22:53,358 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:22:53,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:22:53,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:22:53,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:22:53,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:22:53,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:22:53,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:22:53,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:22:53,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:22:53,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:22:53,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:22:53,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:22:53,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:22:53,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:22:53,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:22:53,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:22:53,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:22:53,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:22:53,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:22:53,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:22:53,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:22:53,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:22:53,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-13 03:22:53,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:22:53,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:22:53,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:22:53,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:22:53,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:22:53,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:22:53,401 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:22:53,401 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:22:53,401 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:22:53,402 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:22:53,402 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:22:53,402 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:22:53,402 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:22:53,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:22:53,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:22:53,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:22:53,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:22:53,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:22:53,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:22:53,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:22:53,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:22:53,404 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:22:53,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:22:53,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:22:53,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:22:53,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:22:53,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:22:53,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:22:53,405 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:22:53,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea4968571782a0593108aa19fa3fb36ed47eace1a8ac492bcee5a609e0ff08b8 [2022-07-13 03:22:53,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:22:53,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:22:53,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:22:53,627 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:22:53,628 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:22:53,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/add_first_alloca.i [2022-07-13 03:22:53,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638a9db63/14f8dcf51bcb47fe8328ca0ddffb7437/FLAG23f030b46 [2022-07-13 03:22:54,025 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:22:54,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/add_first_alloca.i [2022-07-13 03:22:54,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638a9db63/14f8dcf51bcb47fe8328ca0ddffb7437/FLAG23f030b46 [2022-07-13 03:22:54,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638a9db63/14f8dcf51bcb47fe8328ca0ddffb7437 [2022-07-13 03:22:54,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:22:54,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:22:54,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:22:54,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:22:54,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:22:54,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@776d1344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54, skipping insertion in model container [2022-07-13 03:22:54,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:22:54,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:22:54,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:22:54,712 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:22:54,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:22:54,782 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:22:54,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54 WrapperNode [2022-07-13 03:22:54,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:22:54,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:22:54,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:22:54,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:22:54,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,807 INFO L137 Inliner]: procedures = 151, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-07-13 03:22:54,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:22:54,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:22:54,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:22:54,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:22:54,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:22:54,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:22:54,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:22:54,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:22:54,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (1/1) ... [2022-07-13 03:22:54,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:54,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:54,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:54,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 03:22:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 03:22:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 03:22:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 03:22:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 03:22:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:22:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:22:54,942 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:22:54,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:22:55,024 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:22:55,028 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:22:55,028 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 03:22:55,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:22:55 BoogieIcfgContainer [2022-07-13 03:22:55,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:22:55,030 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:22:55,030 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:22:55,037 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:22:55,038 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:22:55,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:22:54" (1/3) ... [2022-07-13 03:22:55,039 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43b5027f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:22:55, skipping insertion in model container [2022-07-13 03:22:55,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:22:55,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:22:54" (2/3) ... [2022-07-13 03:22:55,040 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43b5027f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:22:55, skipping insertion in model container [2022-07-13 03:22:55,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:22:55,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:22:55" (3/3) ... [2022-07-13 03:22:55,041 INFO L354 chiAutomizerObserver]: Analyzing ICFG add_first_alloca.i [2022-07-13 03:22:55,094 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:22:55,095 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:22:55,095 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:22:55,096 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:22:55,096 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:22:55,096 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:22:55,096 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:22:55,096 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:22:55,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:22:55,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:22:55,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:22:55,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:22:55,129 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 03:22:55,129 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:22:55,129 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 03:22:55,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:22:55,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:22:55,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:22:55,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:22:55,131 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 03:22:55,131 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:22:55,136 INFO L752 eck$LassoCheckResult]: Stem: 4#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~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~mem209#1, main_#t~mem210#1, main_#t~post211#1.base, main_#t~post211#1.offset, main_#t~mem207#1, main_#t~mem208#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 9#L367true assume !(main_~length~0#1 < 1); 5#L367-2true call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 6#L369true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~a~0#1.base, main_~a~0#1.offset := main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~length~0#1 - 4; 2#L371-3true [2022-07-13 03:22:55,143 INFO L754 eck$LassoCheckResult]: Loop: 2#L371-3true call main_#t~mem207#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem208#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4); 7#L371-1true assume !!(main_#t~mem207#1 != main_#t~mem208#1);havoc main_#t~mem207#1;havoc main_#t~mem208#1;call main_#t~mem209#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);call write~int(main_#t~mem209#1 + main_#t~mem210#1, main_~a~0#1.base, main_~a~0#1.offset, 4);havoc main_#t~mem209#1;havoc main_#t~mem210#1;main_#t~post211#1.base, main_#t~post211#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~a~0#1.base, main_~a~0#1.offset := main_#t~post211#1.base, main_#t~post211#1.offset - 4;havoc main_#t~post211#1.base, main_#t~post211#1.offset; 2#L371-3true [2022-07-13 03:22:55,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:22:55,150 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-07-13 03:22:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:22:55,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144075789] [2022-07-13 03:22:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:22:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:22:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:22:55,251 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:22:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:22:55,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:22:55,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:22:55,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2022-07-13 03:22:55,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:22:55,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505612978] [2022-07-13 03:22:55,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:22:55,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:22:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:22:55,325 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:22:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:22:55,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:22:55,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:22:55,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2022-07-13 03:22:55,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:22:55,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827554773] [2022-07-13 03:22:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:22:55,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:22:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:22:55,387 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:22:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:22:55,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:22:55,706 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:22:55,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:22:55,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:22:55,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:22:55,707 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:22:55,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:55,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:22:55,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:22:55,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_first_alloca.i_Iteration1_Lasso [2022-07-13 03:22:55,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:22:55,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:22:55,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:55,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:22:56,223 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:22:56,226 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:22:56,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-13 03:22:56,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:22:56,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:22:56,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:22:56,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-13 03:22:56,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-13 03:22:56,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:22:56,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:22:56,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:22:56,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-13 03:22:56,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:22:56,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:22:56,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-13 03:22:56,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:22:56,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:22:56,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:22:56,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,426 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-13 03:22:56,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:22:56,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:22:56,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:22:56,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-13 03:22:56,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:22:56,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:22:56,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:22:56,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,512 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-13 03:22:56,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:22:56,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:22:56,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:22:56,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,550 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 [2022-07-13 03:22:56,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,552 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-13 03:22:56,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:22:56,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:22:56,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:22:56,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-13 03:22:56,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:22:56,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:22:56,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:22:56,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,663 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-13 03:22:56,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:22:56,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:22:56,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,707 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-13 03:22:56,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:22:56,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:22:56,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:22:56,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,749 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-13 03:22:56,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:22:56,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:22:56,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:22:56,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:22:56,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:22:56,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:22:56,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:22:56,790 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:22:56,802 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-07-13 03:22:56,802 INFO L444 ModelExtractionUtils]: 17 out of 25 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-07-13 03:22:56,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:22:56,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:22:56,805 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:22:56,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-13 03:22:56,807 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:22:56,832 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:22:56,832 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:22:56,833 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1.offset) = 1*ULTIMATE.start_main_~a~0#1.offset + 2 Supporting invariants [] [2022-07-13 03:22:56,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:56,863 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-13 03:22:56,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:22:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:22:56,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:22:56,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:22:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:22:56,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 03:22:56,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:22:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:22:56,985 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-13 03:22:56,986 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:22:57,008 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 27 transitions. Complement of second has 5 states. [2022-07-13 03:22:57,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-13 03:22:57,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:22:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-07-13 03:22:57,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-13 03:22:57,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:22:57,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-13 03:22:57,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:22:57,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-13 03:22:57,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:22:57,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2022-07-13 03:22:57,016 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:22:57,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-07-13 03:22:57,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-13 03:22:57,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-13 03:22:57,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-13 03:22:57,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:22:57,019 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:22:57,019 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:22:57,019 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:22:57,019 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 03:22:57,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-13 03:22:57,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:22:57,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-13 03:22:57,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 03:22:57 BoogieIcfgContainer [2022-07-13 03:22:57,024 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 03:22:57,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 03:22:57,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 03:22:57,025 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 03:22:57,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:22:55" (3/4) ... [2022-07-13 03:22:57,027 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 03:22:57,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 03:22:57,028 INFO L158 Benchmark]: Toolchain (without parser) took 2603.09ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 50.2MB in the beginning and 50.7MB in the end (delta: -474.3kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-07-13 03:22:57,028 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:22:57,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.26ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 59.1MB in the end (delta: -9.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 03:22:57,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.77ms. Allocated memory is still 90.2MB. Free memory was 58.7MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:22:57,029 INFO L158 Benchmark]: Boogie Preprocessor took 13.83ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 55.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:22:57,029 INFO L158 Benchmark]: RCFGBuilder took 206.48ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 46.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 03:22:57,030 INFO L158 Benchmark]: BuchiAutomizer took 1994.03ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 46.1MB in the beginning and 50.7MB in the end (delta: -4.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2022-07-13 03:22:57,030 INFO L158 Benchmark]: Witness Printer took 2.74ms. Allocated memory is still 113.2MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:22:57,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.26ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 59.1MB in the end (delta: -9.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.77ms. Allocated memory is still 90.2MB. Free memory was 58.7MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.83ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 55.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 206.48ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 46.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1994.03ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 46.1MB in the beginning and 50.7MB in the end (delta: -4.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Witness Printer took 2.74ms. Allocated memory is still 113.2MB. Free memory is still 50.7MB. 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 a + 2 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf100 lsp95 ukn92 mio100 lsp53 div100 bol100 ite100 ukn100 eq182 hnf91 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-13 03:22:57,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-13 03:22:57,263 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