./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:05:14,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:05:14,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:05:14,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:05:14,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:05:14,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:05:14,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:05:14,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:05:14,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:05:14,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:05:14,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:05:14,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:05:14,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:05:14,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:05:14,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:05:14,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:05:14,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:05:15,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:05:15,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:05:15,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:05:15,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:05:15,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:05:15,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:05:15,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:05:15,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:05:15,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:05:15,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:05:15,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:05:15,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:05:15,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:05:15,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:05:15,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:05:15,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:05:15,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:05:15,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:05:15,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:05:15,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:05:15,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:05:15,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:05:15,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:05:15,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:05:15,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-15 17:05:15,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:05:15,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:05:15,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:05:15,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:05:15,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:05:15,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:05:15,052 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:05:15,053 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:05:15,053 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:05:15,053 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:05:15,054 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:05:15,054 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:05:15,054 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:05:15,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:05:15,054 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:05:15,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:05:15,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:05:15,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:05:15,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:05:15,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:05:15,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:05:15,055 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:05:15,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:05:15,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:05:15,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:05:15,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:05:15,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:05:15,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:05:15,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:05:15,057 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:05:15,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 [2021-12-15 17:05:15,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:05:15,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:05:15,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:05:15,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:05:15,294 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:05:15,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2021-12-15 17:05:15,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf3706bb/5e2d7be7b6d34d80bb12ebc482d22d93/FLAG8d560d20f [2021-12-15 17:05:15,765 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:05:15,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2021-12-15 17:05:15,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf3706bb/5e2d7be7b6d34d80bb12ebc482d22d93/FLAG8d560d20f [2021-12-15 17:05:15,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf3706bb/5e2d7be7b6d34d80bb12ebc482d22d93 [2021-12-15 17:05:15,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:05:15,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:05:15,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:05:15,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:05:15,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:05:15,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:05:15" (1/1) ... [2021-12-15 17:05:15,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61cf01a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:15, skipping insertion in model container [2021-12-15 17:05:15,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:05:15" (1/1) ... [2021-12-15 17:05:15,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:05:15,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:05:16,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:05:16,058 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:05:16,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:05:16,128 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:05:16,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16 WrapperNode [2021-12-15 17:05:16,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:05:16,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:05:16,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:05:16,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:05:16,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,170 INFO L137 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2021-12-15 17:05:16,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:05:16,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:05:16,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:05:16,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:05:16,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:05:16,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:05:16,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:05:16,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:05:16,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (1/1) ... [2021-12-15 17:05:16,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:16,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:16,228 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) [2021-12-15 17:05:16,241 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 [2021-12-15 17:05:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:05:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:05:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:05:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:05:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:05:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:05:16,363 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:05:16,364 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:05:16,469 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:05:16,474 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:05:16,474 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:05:16,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:05:16 BoogieIcfgContainer [2021-12-15 17:05:16,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:05:16,476 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:05:16,476 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:05:16,478 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:05:16,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:05:16,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:05:15" (1/3) ... [2021-12-15 17:05:16,479 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@352ad196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:05:16, skipping insertion in model container [2021-12-15 17:05:16,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:05:16,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16" (2/3) ... [2021-12-15 17:05:16,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@352ad196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:05:16, skipping insertion in model container [2021-12-15 17:05:16,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:05:16,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:05:16" (3/3) ... [2021-12-15 17:05:16,481 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrcpy_reverse_alloca.i [2021-12-15 17:05:16,509 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:05:16,509 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:05:16,510 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:05:16,510 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:05:16,510 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:05:16,510 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:05:16,510 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:05:16,510 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:05:16,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-12-15 17:05:16,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:05:16,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:05:16,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:05:16,534 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:05:16,534 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:05:16,534 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:05:16,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-12-15 17:05:16,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:05:16,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:05:16,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:05:16,536 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:05:16,536 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:05:16,541 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet208#1, main_#t~nondet209#1, main_#t~malloc210#1.base, main_#t~malloc210#1.offset, main_#t~malloc211#1.base, main_#t~malloc211#1.offset, main_#t~ret212#1.base, main_#t~ret212#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length1~0#1 := main_#t~nondet208#1;havoc main_#t~nondet208#1;main_~length2~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 8#L375true assume !(main_~length1~0#1 < 1); 13#L375-2true assume !(main_~length2~0#1 < 1); 6#L378-1true assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc210#1.base, main_#t~malloc210#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc210#1.base, main_#t~malloc210#1.offset;call main_#t~malloc211#1.base, main_#t~malloc211#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc211#1.base, main_#t~malloc211#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, 1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset, cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset, cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset, cstrcpy_#t~mem207#1, cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset, cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset, cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset, cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset := cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset;cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset := cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset; 12#L368-3true [2021-12-15 17:05:16,542 INFO L793 eck$LassoCheckResult]: Loop: 12#L368-3true cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset := cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset - 1;cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset := cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset - 1;call cstrcpy_#t~mem207#1 := read~int(cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset, 1);call write~int(cstrcpy_#t~mem207#1, cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset, 1); 9#L368-1true assume !!(0 != cstrcpy_#t~mem207#1);havoc cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset;havoc cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset;havoc cstrcpy_#t~mem207#1; 12#L368-3true [2021-12-15 17:05:16,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:05:16,550 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-12-15 17:05:16,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:05:16,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393970947] [2021-12-15 17:05:16,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:05:16,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:05:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,638 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:05:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,703 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:05:16,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:05:16,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2021-12-15 17:05:16,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:05:16,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694967392] [2021-12-15 17:05:16,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:05:16,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:05:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,717 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:05:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:05:16,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:05:16,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2021-12-15 17:05:16,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:05:16,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871333275] [2021-12-15 17:05:16,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:05:16,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:05:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,753 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:05:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,774 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:05:17,405 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:05:17,406 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:05:17,407 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:05:17,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:05:17,407 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:05:17,407 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:17,407 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:05:17,407 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:05:17,407 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_reverse_alloca.i_Iteration1_Lasso [2021-12-15 17:05:17,407 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:05:17,407 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:05:17,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:17,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:05:18,169 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:05:18,173 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:05:18,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,184 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) [2021-12-15 17:05:18,190 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 [2021-12-15 17:05:18,199 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 [2021-12-15 17:05:18,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-15 17:05:18,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,252 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) [2021-12-15 17:05:18,255 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 [2021-12-15 17:05:18,256 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 [2021-12-15 17:05:18,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,307 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 [2021-12-15 17:05:18,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,308 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) [2021-12-15 17:05:18,309 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 [2021-12-15 17:05:18,310 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 [2021-12-15 17:05:18,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,345 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 [2021-12-15 17:05:18,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,346 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) [2021-12-15 17:05:18,347 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 [2021-12-15 17:05:18,349 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 [2021-12-15 17:05:18,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,372 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 [2021-12-15 17:05:18,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,374 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) [2021-12-15 17:05:18,375 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 [2021-12-15 17:05:18,376 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 [2021-12-15 17:05:18,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:18,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:18,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,408 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 [2021-12-15 17:05:18,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,409 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) [2021-12-15 17:05:18,410 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 [2021-12-15 17:05:18,412 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 [2021-12-15 17:05:18,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,443 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 [2021-12-15 17:05:18,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,444 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) [2021-12-15 17:05:18,445 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 [2021-12-15 17:05:18,446 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 [2021-12-15 17:05:18,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,480 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 [2021-12-15 17:05:18,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,481 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) [2021-12-15 17:05:18,482 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 [2021-12-15 17:05:18,483 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 [2021-12-15 17:05:18,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:18,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:18,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,532 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 [2021-12-15 17:05:18,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,533 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) [2021-12-15 17:05:18,533 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 [2021-12-15 17:05:18,535 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 [2021-12-15 17:05:18,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-15 17:05:18,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,560 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) [2021-12-15 17:05:18,561 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 [2021-12-15 17:05:18,563 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 [2021-12-15 17:05:18,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:18,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,592 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) [2021-12-15 17:05:18,593 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 [2021-12-15 17:05:18,602 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 [2021-12-15 17:05:18,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:18,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,632 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) [2021-12-15 17:05:18,632 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 [2021-12-15 17:05:18,634 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 [2021-12-15 17:05:18,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-15 17:05:18,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,667 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) [2021-12-15 17:05:18,667 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 [2021-12-15 17:05:18,669 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 [2021-12-15 17:05:18,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-15 17:05:18,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,700 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2021-12-15 17:05:18,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-15 17:05:18,733 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 [2021-12-15 17:05:18,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:18,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,770 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2021-12-15 17:05:18,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-15 17:05:18,772 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 [2021-12-15 17:05:18,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:18,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:18,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:18,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,834 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2021-12-15 17:05:18,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-15 17:05:18,836 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 [2021-12-15 17:05:18,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:18,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:18,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-15 17:05:18,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,879 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2021-12-15 17:05:18,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-15 17:05:18,881 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 [2021-12-15 17:05:18,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:18,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:18,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:18,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,939 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2021-12-15 17:05:18,954 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 [2021-12-15 17:05:18,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:18,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:18,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-15 17:05:18,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:18,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,995 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2021-12-15 17:05:18,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-15 17:05:18,998 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 [2021-12-15 17:05:19,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:19,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:19,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:19,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,052 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2021-12-15 17:05:19,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-15 17:05:19,077 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 [2021-12-15 17:05:19,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:19,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:19,115 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:05:19,151 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-15 17:05:19,152 INFO L444 ModelExtractionUtils]: 39 out of 52 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-15 17:05:19,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,154 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2021-12-15 17:05:19,173 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:05:19,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-15 17:05:19,201 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:05:19,201 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:05:19,202 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc211#1.base)_1, ULTIMATE.start_cstrcpy_~dst~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc211#1.base)_1 + 2*ULTIMATE.start_cstrcpy_~dst~0#1.offset Supporting invariants [] [2021-12-15 17:05:19,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:19,251 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-12-15 17:05:19,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:05:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:05:19,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 17:05:19,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:05:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:05:19,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-15 17:05:19,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:05:19,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:05:19,394 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 [2021-12-15 17:05:19,395 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:05:19,433 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 27 transitions. Complement of second has 6 states. [2021-12-15 17:05:19,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:05:19,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:05:19,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-12-15 17:05:19,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-15 17:05:19,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:05:19,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-15 17:05:19,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:05:19,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-15 17:05:19,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:05:19,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2021-12-15 17:05:19,442 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:05:19,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-12-15 17:05:19,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:05:19,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:05:19,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:05:19,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:05:19,445 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:05:19,445 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:05:19,445 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:05:19,445 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:05:19,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:05:19,445 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:05:19,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:05:19,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:05:19 BoogieIcfgContainer [2021-12-15 17:05:19,451 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:05:19,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:05:19,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:05:19,451 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:05:19,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:05:16" (3/4) ... [2021-12-15 17:05:19,454 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:05:19,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:05:19,454 INFO L158 Benchmark]: Toolchain (without parser) took 3671.49ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 65.3MB in the beginning and 71.0MB in the end (delta: -5.7MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-12-15 17:05:19,455 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:05:19,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.00ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 65.5MB in the end (delta: -212.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:05:19,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.99ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 63.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:05:19,456 INFO L158 Benchmark]: Boogie Preprocessor took 25.99ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 62.9MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 17:05:19,456 INFO L158 Benchmark]: RCFGBuilder took 277.92ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 52.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:05:19,456 INFO L158 Benchmark]: BuchiAutomizer took 2974.80ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 52.4MB in the beginning and 71.0MB in the end (delta: -18.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-12-15 17:05:19,456 INFO L158 Benchmark]: Witness Printer took 2.65ms. Allocated memory is still 138.4MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:05:19,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.00ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 65.5MB in the end (delta: -212.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.99ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 63.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.99ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 62.9MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 277.92ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 52.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2974.80ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 52.4MB in the beginning and 71.0MB in the end (delta: -18.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 2.65ms. Allocated memory is still 138.4MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + 2 * dst and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 13 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp97 ukn97 mio100 lsp50 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms 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! [2021-12-15 17:05:19,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:19,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE