./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_malloc.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_malloc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:05:14,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:05:14,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:05:14,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:05:14,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:05:14,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:05:14,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:05:14,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:05:14,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:05:14,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:05:14,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:05:14,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:05:14,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:05:14,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:05:14,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:05:14,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:05:14,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:05:14,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:05:14,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:05:14,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:05:14,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:05:14,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:05:14,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:05:14,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:05:14,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:05:14,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:05:14,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:05:14,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:05:14,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:05:14,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:05:14,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:05:14,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:05:14,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:05:14,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:05:14,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:05:14,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:05:14,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:05:14,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:05:14,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:05:14,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:05:14,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:05:14,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-15 17:05:14,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:05:14,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:05:14,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:05:14,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:05:14,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:05:14,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:05:14,480 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:05:14,481 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:05:14,481 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:05:14,481 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:05:14,482 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:05:14,482 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:05:14,482 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:05:14,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:05:14,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:05:14,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:05:14,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:05:14,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:05:14,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:05:14,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:05:14,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:05:14,483 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:05:14,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:05:14,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:05:14,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:05:14,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:05:14,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:05:14,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:05:14,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:05:14,486 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:05:14,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 [2021-12-15 17:05:14,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:05:14,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:05:14,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:05:14,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:05:14,693 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:05:14,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2021-12-15 17:05:14,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b587f787/93272d51be144fd88657c484501db737/FLAGa739d5c2a [2021-12-15 17:05:15,208 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:05:15,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2021-12-15 17:05:15,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b587f787/93272d51be144fd88657c484501db737/FLAGa739d5c2a [2021-12-15 17:05:15,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b587f787/93272d51be144fd88657c484501db737 [2021-12-15 17:05:15,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:05:15,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:05:15,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:05:15,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:05:15,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:05:15,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:05:15" (1/1) ... [2021-12-15 17:05:15,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47624787 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 17:05:15,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:05:15" (1/1) ... [2021-12-15 17:05:15,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:05:15,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:05:16,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:05:16,089 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:05:16,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:05:16,146 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:05:16,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:05:16 WrapperNode [2021-12-15 17:05:16,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:05:16,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:05:16,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:05:16,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:05:16,153 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 17:05:16,171 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 17:05:16,187 INFO L137 Inliner]: procedures = 152, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2021-12-15 17:05:16,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:05:16,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:05:16,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:05:16,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:05:16,194 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 17:05:16,194 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 17:05:16,203 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 17:05:16,203 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 17:05:16,212 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 17:05:16,218 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 17:05:16,225 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 17:05:16,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:05:16,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:05:16,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:05:16,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:05:16,235 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 17:05:16,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:16,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:16,275 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 17:05:16,296 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 17:05:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:05:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:05:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 17:05:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:05:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:05:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:05:16,404 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:05:16,406 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:05:16,513 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:05:16,518 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:05:16,518 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:05:16,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:05:16 BoogieIcfgContainer [2021-12-15 17:05:16,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:05:16,521 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:05:16,521 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:05:16,524 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:05:16,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:05:16,525 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:05:15" (1/3) ... [2021-12-15 17:05:16,526 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781c2a5a 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 17:05:16,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:05:16,526 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 17:05:16,526 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781c2a5a 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 17:05:16,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:05:16,526 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 17:05:16,528 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrcpy_malloc.i [2021-12-15 17:05:16,583 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:05:16,583 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:05:16,583 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:05:16,583 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:05:16,583 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:05:16,583 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:05:16,584 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:05:16,584 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:05:16,612 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 17:05:16,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:05:16,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:05:16,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:05:16,644 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:05:16,645 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:05:16,645 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:05:16,645 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 17:05:16,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:05:16,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:05:16,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:05:16,646 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:05:16,646 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:05:16,661 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.allocOnHeap(main_~length1~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc210#1.base, main_#t~malloc210#1.offset;havoc main_#t~malloc210#1.base, main_#t~malloc210#1.offset;call main_#t~malloc211#1.base, main_#t~malloc211#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc211#1.base, main_#t~malloc211#1.offset;havoc main_#t~malloc211#1.base, main_#t~malloc211#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 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 17:05:16,661 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, 1 + cstrcpy_#t~post205#1.offset;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, 1 + cstrcpy_#t~post206#1.offset;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 17:05:16,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:05:16,665 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-12-15 17:05:16,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:05:16,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770963762] [2021-12-15 17:05:16,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:05:16,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:05:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,802 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:05:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:05:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:05:16,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2021-12-15 17:05:16,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:05:16,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655036671] [2021-12-15 17:05:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:05:16,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:05:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,886 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:05:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,904 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:05:16,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:05:16,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2021-12-15 17:05:16,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:05:16,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911207189] [2021-12-15 17:05:16,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:05:16,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:05:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,949 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:05:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:05:16,976 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:05:17,621 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:05:17,622 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:05:17,623 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:05:17,623 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:05:17,623 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:05:17,623 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:17,623 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:05:17,623 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:05:17,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_malloc.i_Iteration1_Lasso [2021-12-15 17:05:17,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:05:17,624 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:05:17,646 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 17:05:17,650 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 17:05:17,661 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 17:05:17,664 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 17:05:17,671 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 17:05:17,675 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 17:05:17,677 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 17:05:17,679 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 17:05:17,694 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 17:05:17,696 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 17:05:17,698 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 17:05:17,699 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 17:05:18,041 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 17:05:18,043 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 17:05:18,045 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 17:05:18,048 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 17:05:18,049 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 17:05:18,051 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 17:05:18,053 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 17:05:18,631 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:05:18,634 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:05:18,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,645 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 17:05:18,646 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 17:05:18,647 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 17:05:18,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,696 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 17:05:18,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,698 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 17:05:18,700 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 17:05:18,733 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 17:05:18,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-15 17:05:18,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,777 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 17:05:18,778 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 17:05:18,780 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 17:05:18,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,803 INFO L402 nArgumentSynthesizer]: A total of 0 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 17:05:18,836 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 17:05:18,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,841 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 17:05:18,843 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 17:05:18,845 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 17:05:18,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,888 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 17:05:18,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,891 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 17:05:18,892 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 17:05:18,893 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 17:05:18,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:18,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:18,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,956 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 17:05:18,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:18,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:18,958 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 17:05:18,961 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 17:05:18,962 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 17:05:18,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:18,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:18,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:18,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:18,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:18,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:18,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:18,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:18,999 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 17:05:18,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,001 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 17:05:19,002 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 17:05:19,003 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 17:05:19,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:19,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:19,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:19,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-15 17:05:19,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,041 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 17:05:19,043 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 17:05:19,076 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 17:05:19,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,083 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 17:05:19,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:19,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:19,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-15 17:05:19,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,126 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 17:05:19,127 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 17:05:19,128 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 17:05:19,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:19,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:19,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:19,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:19,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,180 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 17:05:19,181 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 17:05:19,183 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 17:05:19,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:19,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:19,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:19,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-15 17:05:19,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,233 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 17:05:19,235 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 17:05:19,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:05:19,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:19,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:19,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:19,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,285 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 17:05:19,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,287 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 17:05:19,289 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 17:05:19,290 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 17:05:19,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,297 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-12-15 17:05:19,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,333 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-15 17:05:19,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:19,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:19,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,419 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 17:05:19,439 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 17:05:19,439 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 17:05:19,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:19,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:19,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:19,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,512 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 17:05:19,513 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 17:05:19,514 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 17:05:19,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:19,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:19,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,573 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 17:05:19,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,576 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 17:05:19,578 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 17:05:19,585 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 17:05:19,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:19,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:19,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,631 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 17:05:19,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,633 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 17:05:19,634 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 17:05:19,636 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 17:05:19,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:05:19,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:05:19,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:05:19,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:05:19,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-15 17:05:19,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,663 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 17:05:19,664 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 17:05:19,666 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 17:05:19,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:05:19,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:05:19,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:05:19,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:05:19,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:05:19,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:05:19,745 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:05:19,806 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-15 17:05:19,806 INFO L444 ModelExtractionUtils]: 32 out of 46 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-12-15 17:05:19,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:05:19,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:05:19,819 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 17:05:19,858 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:05:19,864 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 17:05:19,884 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:05:19,884 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:05:19,885 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_1, ULTIMATE.start_cstrcpy_~src~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_1 - 1*ULTIMATE.start_cstrcpy_~src~0#1.offset Supporting invariants [] [2021-12-15 17:05:19,911 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 17:05:19,932 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-12-15 17:05:19,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:05:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:05:19,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-15 17:05:19,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:05:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:05:19,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 17:05:19,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:05:20,026 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 17:05:20,065 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 17:05:20,066 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 17:05:20,117 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 27 states and 30 transitions. Complement of second has 5 states. [2021-12-15 17:05:20,118 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 17:05:20,124 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 17:05:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2021-12-15 17:05:20,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-15 17:05:20,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:05:20,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-15 17:05:20,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:05:20,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-15 17:05:20,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:05:20,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2021-12-15 17:05:20,142 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:05:20,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-12-15 17:05:20,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:05:20,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:05:20,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:05:20,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:05:20,144 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:05:20,145 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:05:20,145 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:05:20,145 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:05:20,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:05:20,145 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:05:20,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:05:20,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:05:20 BoogieIcfgContainer [2021-12-15 17:05:20,156 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:05:20,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:05:20,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:05:20,157 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:05:20,157 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 17:05:20,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:05:20,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:05:20,160 INFO L158 Benchmark]: Toolchain (without parser) took 4423.18ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 83.4MB in the beginning and 93.9MB in the end (delta: -10.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-12-15 17:05:20,160 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 53.8MB in the beginning and 53.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:05:20,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.68ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 84.5MB in the end (delta: -1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 17:05:20,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.61ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 82.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:05:20,161 INFO L158 Benchmark]: Boogie Preprocessor took 42.71ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.8MB in the end (delta: 862.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:05:20,162 INFO L158 Benchmark]: RCFGBuilder took 288.01ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:05:20,162 INFO L158 Benchmark]: BuchiAutomizer took 3635.26ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 71.3MB in the beginning and 93.9MB in the end (delta: -22.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-12-15 17:05:20,162 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 142.6MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:05:20,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 53.8MB in the beginning and 53.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.68ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 84.5MB in the end (delta: -1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.61ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 82.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.71ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.8MB in the end (delta: 862.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.01ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3635.26ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 71.3MB in the beginning and 93.9MB in the end (delta: -22.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 142.6MB. Free memory is still 93.9MB. 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[nondetString] + -1 * src and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. 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, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital194 mio100 ax100 hnf100 lsp96 ukn89 mio100 lsp47 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf175 smp91 tf100 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 74ms VariablesStem: 9 VariablesLoop: 6 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 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 17:05:20,220 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 17:05:20,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE