./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.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-memory-alloca/stroeder1-alloca-2.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 7b0f59d2ca73fa08b10a5a2237d6b50ffee7b6486e9b8e2771632567ccf0565e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:33:28,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:33:28,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:33:28,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:33:28,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:33:28,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:33:28,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:33:28,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:33:28,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:33:28,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:33:28,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:33:28,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:33:28,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:33:28,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:33:28,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:33:28,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:33:28,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:33:28,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:33:28,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:33:28,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:33:28,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:33:28,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:33:28,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:33:28,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:33:28,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:33:28,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:33:28,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:33:28,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:33:28,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:33:28,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:33:28,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:33:28,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:33:28,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:33:28,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:33:28,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:33:28,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:33:28,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:33:28,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:33:28,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:33:28,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:33:28,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:33:28,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:33:28,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:33:28,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:33:28,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:33:28,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:33:28,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:33:28,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:33:28,180 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:33:28,180 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:33:28,180 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:33:28,180 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:33:28,181 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:33:28,181 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:33:28,182 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:33:28,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:33:28,182 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:33:28,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:33:28,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:33:28,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:33:28,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:33:28,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:33:28,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:33:28,183 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:33:28,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:33:28,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:33:28,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:33:28,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:33:28,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:33:28,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:33:28,186 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:33:28,186 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b0f59d2ca73fa08b10a5a2237d6b50ffee7b6486e9b8e2771632567ccf0565e [2022-02-21 03:33:28,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:33:28,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:33:28,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:33:28,451 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:33:28,451 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:33:28,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2022-02-21 03:33:28,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc1f3f88/77d0dc88eb8f410790ad5385f13ff894/FLAG44e0cd917 [2022-02-21 03:33:29,018 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:33:29,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2022-02-21 03:33:29,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc1f3f88/77d0dc88eb8f410790ad5385f13ff894/FLAG44e0cd917 [2022-02-21 03:33:29,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc1f3f88/77d0dc88eb8f410790ad5385f13ff894 [2022-02-21 03:33:29,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:33:29,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:33:29,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:33:29,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:33:29,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:33:29,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0a09fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29, skipping insertion in model container [2022-02-21 03:33:29,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:33:29,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:33:29,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:33:29,691 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:33:29,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:33:29,752 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:33:29,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29 WrapperNode [2022-02-21 03:33:29,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:33:29,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:33:29,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:33:29,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:33:29,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,807 INFO L137 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2022-02-21 03:33:29,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:33:29,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:33:29,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:33:29,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:33:29,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:33:29,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:33:29,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:33:29,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:33:29,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (1/1) ... [2022-02-21 03:33:29,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:29,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:29,888 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 03:33:29,910 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 03:33:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:33:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:33:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:33:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:33:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:33:30,051 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:33:30,053 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:33:30,178 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:33:30,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:33:30,184 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:33:30,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:33:30 BoogieIcfgContainer [2022-02-21 03:33:30,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:33:30,187 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:33:30,187 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:33:30,190 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:33:30,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:33:30,191 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:33:29" (1/3) ... [2022-02-21 03:33:30,192 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d81bd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:33:30, skipping insertion in model container [2022-02-21 03:33:30,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:33:30,192 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:29" (2/3) ... [2022-02-21 03:33:30,193 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d81bd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:33:30, skipping insertion in model container [2022-02-21 03:33:30,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:33:30,193 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:33:30" (3/3) ... [2022-02-21 03:33:30,194 INFO L388 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca-2.i [2022-02-21 03:33:30,234 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:33:30,234 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:33:30,235 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:33:30,235 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:33:30,235 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:33:30,235 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:33:30,235 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:33:30,235 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:33:30,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:30,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:33:30,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:30,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:30,287 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-02-21 03:33:30,288 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:33:30,288 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:33:30,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:30,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:33:30,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:30,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:30,294 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-02-21 03:33:30,294 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:33:30,299 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~ret6#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 7#L561true assume !(main_~array_size~0#1 < 1); 11#L561-2true call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;assume { :begin_inline_sumOfThirdBytes } true;sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset, sumOfThirdBytes_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sumOfThirdBytes_#res#1;havoc sumOfThirdBytes_#t~mem3#1, sumOfThirdBytes_#t~post2#1, sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset, sumOfThirdBytes_~array_size#1, sumOfThirdBytes_~i~0#1, sumOfThirdBytes_~sum~0#1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset := sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset;sumOfThirdBytes_~array_size#1 := sumOfThirdBytes_#in~array_size#1;havoc sumOfThirdBytes_~i~0#1;havoc sumOfThirdBytes_~sum~0#1;havoc sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~sum~0#1 := 0;sumOfThirdBytes_~i~0#1 := 0; 8#L552-3true [2022-02-21 03:33:30,299 INFO L793 eck$LassoCheckResult]: Loop: 8#L552-3true assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset;call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_~sum~0#1 := sumOfThirdBytes_~sum~0#1 + sumOfThirdBytes_#t~mem3#1;havoc sumOfThirdBytes_#t~mem3#1; 3#L552-2true sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 8#L552-3true [2022-02-21 03:33:30,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:30,306 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-02-21 03:33:30,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:33:30,316 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198930639] [2022-02-21 03:33:30,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:33:30,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:33:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:30,405 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:33:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:30,435 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:33:30,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:30,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-02-21 03:33:30,438 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:33:30,438 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588177117] [2022-02-21 03:33:30,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:33:30,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:33:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:30,469 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:33:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:30,490 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:33:30,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:30,493 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-02-21 03:33:30,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:33:30,493 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243820763] [2022-02-21 03:33:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:33:30,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:33:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:30,520 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:33:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:30,550 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:33:31,022 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:33:31,023 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:33:31,023 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:33:31,023 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:33:31,023 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:33:31,023 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:31,024 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:33:31,024 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:33:31,024 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-2.i_Iteration1_Lasso [2022-02-21 03:33:31,024 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:33:31,024 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:33:31,043 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 03:33:31,049 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 03:33:31,051 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 03:33:31,054 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 03:33:31,069 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 03:33:31,074 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 03:33:31,078 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 03:33:31,082 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 03:33:31,087 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 03:33:31,100 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 03:33:31,103 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 03:33:31,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:31,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:33:31,665 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:33:31,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:31,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:31,669 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 03:33:31,675 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 03:33:31,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:31,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:31,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:31,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:31,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:31,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:31,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:31,688 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 03:33:31,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:31,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:31,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:31,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:31,727 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 03:33:31,734 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 03:33:31,739 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 03:33:31,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:31,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:31,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:31,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:31,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:31,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:31,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:31,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:31,761 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 03:33:31,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:31,764 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 03:33:31,765 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 03:33:31,766 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 03:33:31,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:31,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:31,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:31,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:31,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:31,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:31,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:31,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:31,808 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 03:33:31,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:31,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:31,810 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 03:33:31,812 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 03:33:31,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:31,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:31,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:31,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:31,820 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 03:33:31,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:31,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:31,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:31,863 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 03:33:31,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:31,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:31,864 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 03:33:31,867 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 03:33:31,868 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 03:33:31,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:31,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:31,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:31,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:31,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:31,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:31,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:31,906 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 03:33:31,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:31,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:31,908 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 03:33:31,909 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 03:33:31,910 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 03:33:31,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:31,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:31,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:31,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:31,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:31,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:31,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:31,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:31,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:31,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:31,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:31,937 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 03:33:31,938 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 03:33:31,939 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 03:33:31,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:31,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:31,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:31,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:31,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:31,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:31,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:31,975 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 03:33:31,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:31,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:31,977 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 03:33:31,978 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 03:33:31,979 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 03:33:31,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:31,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:31,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:31,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:31,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:31,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:31,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:31,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:32,003 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 03:33:32,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:32,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:32,005 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 03:33:32,006 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 03:33:32,007 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 03:33:32,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:32,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:32,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:32,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:32,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:32,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:32,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:32,039 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 03:33:32,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:32,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:32,041 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:32,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-02-21 03:33:32,044 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 03:33:32,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:32,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:32,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:32,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:32,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:32,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:32,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:32,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:32,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-02-21 03:33:32,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:32,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:32,069 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) [2022-02-21 03:33:32,070 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 [2022-02-21 03:33:32,071 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 03:33:32,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:32,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:32,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:32,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:32,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:32,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:32,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:32,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-02-21 03:33:32,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:32,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:32,113 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) [2022-02-21 03:33:32,114 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 [2022-02-21 03:33:32,116 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 03:33:32,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:32,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:32,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:32,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:32,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:32,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:32,152 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:33:32,204 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2022-02-21 03:33:32,204 INFO L444 ModelExtractionUtils]: 15 out of 37 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-02-21 03:33:32,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:32,227 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) [2022-02-21 03:33:32,279 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 [2022-02-21 03:33:32,280 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:33:32,305 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-02-21 03:33:32,305 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:33:32,306 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~i~0#1, ULTIMATE.start_main_~array_size~0#1) = -1*ULTIMATE.start_sumOfThirdBytes_~i~0#1 + 1*ULTIMATE.start_main_~array_size~0#1 Supporting invariants [-1*ULTIMATE.start_sumOfThirdBytes_~array_size#1 + 1*ULTIMATE.start_main_~array_size~0#1 >= 0] [2022-02-21 03:33:32,337 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 [2022-02-21 03:33:32,363 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-02-21 03:33:32,375 INFO L390 LassoCheck]: Loop: "assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset;call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_~sum~0#1 := sumOfThirdBytes_~sum~0#1 + sumOfThirdBytes_#t~mem3#1;havoc sumOfThirdBytes_#t~mem3#1;" "sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1;" [2022-02-21 03:33:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:32,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:32,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:33:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:32,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:33:32,461 INFO L290 TraceCheckUtils]: 0: Hoare triple {21#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {21#unseeded} is VALID [2022-02-21 03:33:32,462 INFO L290 TraceCheckUtils]: 1: Hoare triple {21#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~ret6#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; {21#unseeded} is VALID [2022-02-21 03:33:32,462 INFO L290 TraceCheckUtils]: 2: Hoare triple {21#unseeded} assume !(main_~array_size~0#1 < 1); {21#unseeded} is VALID [2022-02-21 03:33:32,463 INFO L290 TraceCheckUtils]: 3: Hoare triple {21#unseeded} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;assume { :begin_inline_sumOfThirdBytes } true;sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset, sumOfThirdBytes_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sumOfThirdBytes_#res#1;havoc sumOfThirdBytes_#t~mem3#1, sumOfThirdBytes_#t~post2#1, sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset, sumOfThirdBytes_~array_size#1, sumOfThirdBytes_~i~0#1, sumOfThirdBytes_~sum~0#1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset := sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset;sumOfThirdBytes_~array_size#1 := sumOfThirdBytes_#in~array_size#1;havoc sumOfThirdBytes_~i~0#1;havoc sumOfThirdBytes_~sum~0#1;havoc sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~sum~0#1 := 0;sumOfThirdBytes_~i~0#1 := 0; {45#(and (>= (+ |ULTIMATE.start_main_~array_size~0#1| (* (- 1) |ULTIMATE.start_sumOfThirdBytes_~array_size#1|)) 0) unseeded)} is VALID [2022-02-21 03:33:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:32,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-21 03:33:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:32,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:33:32,525 INFO L290 TraceCheckUtils]: 0: Hoare triple {46#(and (>= (+ |ULTIMATE.start_main_~array_size~0#1| (* (- 1) |ULTIMATE.start_sumOfThirdBytes_~array_size#1|)) 0) (>= oldRank0 (+ |ULTIMATE.start_main_~array_size~0#1| (* (- 1) |ULTIMATE.start_sumOfThirdBytes_~i~0#1|))))} assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset;call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_~sum~0#1 := sumOfThirdBytes_~sum~0#1 + sumOfThirdBytes_#t~mem3#1;havoc sumOfThirdBytes_#t~mem3#1; {63#(and (< |ULTIMATE.start_sumOfThirdBytes_~i~0#1| |ULTIMATE.start_sumOfThirdBytes_~array_size#1|) (>= (+ |ULTIMATE.start_main_~array_size~0#1| (* (- 1) |ULTIMATE.start_sumOfThirdBytes_~array_size#1|)) 0) (>= oldRank0 (+ |ULTIMATE.start_main_~array_size~0#1| (* (- 1) |ULTIMATE.start_sumOfThirdBytes_~i~0#1|))))} is VALID [2022-02-21 03:33:32,526 INFO L290 TraceCheckUtils]: 1: Hoare triple {63#(and (< |ULTIMATE.start_sumOfThirdBytes_~i~0#1| |ULTIMATE.start_sumOfThirdBytes_~array_size#1|) (>= (+ |ULTIMATE.start_main_~array_size~0#1| (* (- 1) |ULTIMATE.start_sumOfThirdBytes_~array_size#1|)) 0) (>= oldRank0 (+ |ULTIMATE.start_main_~array_size~0#1| (* (- 1) |ULTIMATE.start_sumOfThirdBytes_~i~0#1|))))} sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; {48#(and (>= (+ |ULTIMATE.start_main_~array_size~0#1| (* (- 1) |ULTIMATE.start_sumOfThirdBytes_~array_size#1|)) 0) (or unseeded (and (>= oldRank0 0) (> oldRank0 (+ |ULTIMATE.start_main_~array_size~0#1| (* (- 1) |ULTIMATE.start_sumOfThirdBytes_~i~0#1|))))))} is VALID [2022-02-21 03:33:32,526 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 03:33:32,559 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:32,569 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:33:32,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:33:32,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,577 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-02-21 03:33:32,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:32,656 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 23 states and 28 transitions. Complement of second has 7 states. [2022-02-21 03:33:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-02-21 03:33:32,657 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:33:32,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:32,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:33:32,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:32,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:32,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:32,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:33:32,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:32,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:32,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2022-02-21 03:33:32,667 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:33:32,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:33:32,669 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:32,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:33:32,674 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:33:32,674 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:32,677 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:33:32,678 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:33:32,678 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 23 states and 28 transitions. cyclomatic complexity: 6 [2022-02-21 03:33:32,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. cyclomatic complexity: 6 [2022-02-21 03:33:32,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:33:32,678 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:33:32,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:33:32,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:33:32,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 28 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:33:32,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:32,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:32,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 28 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:32,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 23 letters. Loop has 23 letters. [2022-02-21 03:33:32,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 23 letters. Loop has 23 letters. [2022-02-21 03:33:32,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 28 transitions. cyclomatic complexity: 6 Stem has 23 letters. Loop has 23 letters. [2022-02-21 03:33:32,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:33:32,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:33:32,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 28 transitions. cyclomatic complexity: 6 Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:33:32,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:33:32,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:33:32,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 28 transitions. cyclomatic complexity: 6 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:33:32,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:33:32,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:33:32,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 28 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:33:32,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:33:32,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:33:32,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 28 transitions. cyclomatic complexity: 6 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:33:32,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:33:32,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:33:32,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 28 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:33:32,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:32,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:32,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 28 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:32,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,700 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:33:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-02-21 03:33:32,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:33:32,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:33:32,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:33:32,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:32,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. cyclomatic complexity: 6 [2022-02-21 03:33:32,717 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 [2022-02-21 03:33:32,717 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:33:32,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2022-02-21 03:33:32,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:33:32,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:33:32,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:33:32,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:33:32,721 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:33:32,721 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:33:32,721 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:33:32,721 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:33:32,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:33:32,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:33:32,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:33:32,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:33:32 BoogieIcfgContainer [2022-02-21 03:33:32,727 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:33:32,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:33:32,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:33:32,728 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:33:32,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:33:30" (3/4) ... [2022-02-21 03:33:32,730 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:33:32,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:33:32,732 INFO L158 Benchmark]: Toolchain (without parser) took 3380.51ms. Allocated memory was 98.6MB in the beginning and 146.8MB in the end (delta: 48.2MB). Free memory was 69.8MB in the beginning and 116.0MB in the end (delta: -46.2MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2022-02-21 03:33:32,732 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:32,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.64ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 03:33:32,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.55ms. Allocated memory is still 98.6MB. Free memory was 67.1MB in the beginning and 65.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:33:32,734 INFO L158 Benchmark]: Boogie Preprocessor took 43.45ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 64.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:32,734 INFO L158 Benchmark]: RCFGBuilder took 333.26ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 53.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:33:32,734 INFO L158 Benchmark]: BuchiAutomizer took 2540.05ms. Allocated memory was 98.6MB in the beginning and 146.8MB in the end (delta: 48.2MB). Free memory was 53.5MB in the beginning and 116.0MB in the end (delta: -62.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:32,735 INFO L158 Benchmark]: Witness Printer took 3.19ms. Allocated memory is still 146.8MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:32,737 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 0.18ms. Allocated memory is still 98.6MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.64ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.55ms. Allocated memory is still 98.6MB. Free memory was 67.1MB in the beginning and 65.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.45ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 64.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.26ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 53.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2540.05ms. Allocated memory was 98.6MB in the beginning and 146.8MB in the end (delta: 48.2MB). Free memory was 53.5MB in the beginning and 116.0MB in the end (delta: -62.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.19ms. Allocated memory is still 146.8MB. Free memory is still 116.0MB. 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 array_size + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital118 mio100 ax115 hnf100 lsp82 ukn83 mio100 lsp59 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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 03:33:32,776 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