./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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/array-memsafety/cstrncat-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 170d05f666fe960395aa4fb943b7fdfa4284d519 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 17:37:35,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 17:37:35,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 17:37:35,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 17:37:35,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 17:37:35,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 17:37:35,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 17:37:35,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 17:37:35,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 17:37:35,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 17:37:35,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 17:37:35,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 17:37:35,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 17:37:35,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 17:37:35,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 17:37:35,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 17:37:35,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 17:37:35,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 17:37:35,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 17:37:35,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 17:37:35,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 17:37:35,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 17:37:35,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 17:37:35,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 17:37:35,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 17:37:35,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 17:37:35,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 17:37:35,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 17:37:35,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 17:37:35,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 17:37:35,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 17:37:35,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 17:37:35,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 17:37:35,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 17:37:35,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 17:37:35,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 17:37:35,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 17:37:35,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 17:37:35,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 17:37:35,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 17:37:35,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 17:37:35,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 17:37:35,669 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 17:37:35,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 17:37:35,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 17:37:35,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 17:37:35,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 17:37:35,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 17:37:35,671 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 17:37:35,671 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 17:37:35,671 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 17:37:35,671 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 17:37:35,672 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 17:37:35,672 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 17:37:35,672 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 17:37:35,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 17:37:35,689 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 17:37:35,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 17:37:35,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 17:37:35,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 17:37:35,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 17:37:35,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 17:37:35,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 17:37:35,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 17:37:35,690 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 17:37:35,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 17:37:35,691 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 17:37:35,691 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 17:37:35,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 17:37:35,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 17:37:35,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 17:37:35,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 17:37:35,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 17:37:35,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 17:37:35,694 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 17:37:35,694 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 170d05f666fe960395aa4fb943b7fdfa4284d519 [2021-08-27 17:37:35,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 17:37:36,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 17:37:36,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 17:37:36,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 17:37:36,024 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 17:37:36,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2021-08-27 17:37:36,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163120407/2494984891414cd78c84f07483893953/FLAGc45eb3268 [2021-08-27 17:37:36,607 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 17:37:36,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2021-08-27 17:37:36,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163120407/2494984891414cd78c84f07483893953/FLAGc45eb3268 [2021-08-27 17:37:36,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163120407/2494984891414cd78c84f07483893953 [2021-08-27 17:37:36,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 17:37:36,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 17:37:36,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 17:37:36,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 17:37:36,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 17:37:36,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:37:36" (1/1) ... [2021-08-27 17:37:36,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76425aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:36, skipping insertion in model container [2021-08-27 17:37:36,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:37:36" (1/1) ... [2021-08-27 17:37:36,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 17:37:36,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 17:37:37,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 17:37:37,202 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 17:37:37,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 17:37:37,294 INFO L208 MainTranslator]: Completed translation [2021-08-27 17:37:37,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37 WrapperNode [2021-08-27 17:37:37,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 17:37:37,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 17:37:37,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 17:37:37,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 17:37:37,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 17:37:37,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 17:37:37,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 17:37:37,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 17:37:37,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 17:37:37,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 17:37:37,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 17:37:37,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 17:37:37,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (1/1) ... [2021-08-27 17:37:37,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:37,387 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) [2021-08-27 17:37:37,412 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 [2021-08-27 17:37:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 17:37:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 17:37:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 17:37:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 17:37:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 17:37:37,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 17:37:37,710 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 17:37:37,710 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-27 17:37:37,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:37:37 BoogieIcfgContainer [2021-08-27 17:37:37,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 17:37:37,712 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 17:37:37,712 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 17:37:37,730 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 17:37:37,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:37:37,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 05:37:36" (1/3) ... [2021-08-27 17:37:37,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d1d101d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 05:37:37, skipping insertion in model container [2021-08-27 17:37:37,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:37:37,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:37:37" (2/3) ... [2021-08-27 17:37:37,733 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d1d101d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 05:37:37, skipping insertion in model container [2021-08-27 17:37:37,733 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:37:37,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:37:37" (3/3) ... [2021-08-27 17:37:37,734 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrncat-alloca-2.i [2021-08-27 17:37:37,807 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 17:37:37,808 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 17:37:37,808 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 17:37:37,808 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 17:37:37,808 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 17:37:37,808 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 17:37:37,808 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 17:37:37,808 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 17:37:37,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 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) [2021-08-27 17:37:37,842 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-08-27 17:37:37,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:37:37,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:37:37,848 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 17:37:37,848 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:37:37,848 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 17:37:37,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 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) [2021-08-27 17:37:37,852 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-08-27 17:37:37,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:37:37,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:37:37,853 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 17:37:37,853 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:37:37,859 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 15#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19.base, main_#t~ret19.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 16#L531true assume !(main_~length1~0 < 1); 18#L531-2true assume !(main_~length2~0 < 1); 3#L534-1true assume !(main_~n~0 < 1); 11#L537-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 6#L544-3true [2021-08-27 17:37:37,859 INFO L793 eck$LassoCheckResult]: Loop: 6#L544-3true assume !!(main_~i~0 < main_~length1~0 - main_~n~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 8#L544-2true main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 6#L544-3true [2021-08-27 17:37:37,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:37,869 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2021-08-27 17:37:37,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:37,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236452471] [2021-08-27 17:37:37,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:37,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:37,976 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:38,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:38,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:38,044 INFO L82 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2021-08-27 17:37:38,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:38,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794767629] [2021-08-27 17:37:38,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:38,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:38,057 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:38,078 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:38,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:38,081 INFO L82 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2021-08-27 17:37:38,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:38,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449863782] [2021-08-27 17:37:38,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:38,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:38,119 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:38,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:38,576 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:37:38,576 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:37:38,577 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:37:38,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:37:38,577 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:37:38,577 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:38,577 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:37:38,577 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:37:38,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-2.i_Iteration1_Lasso [2021-08-27 17:37:38,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:37:38,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:37:38,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:38,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:39,068 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:37:39,072 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:37:39,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,075 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) [2021-08-27 17:37:39,080 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 [2021-08-27 17:37:39,080 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 [2021-08-27 17:37:39,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:39,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:39,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:39,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:39,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,144 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) [2021-08-27 17:37:39,155 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 [2021-08-27 17:37:39,155 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 [2021-08-27 17:37:39,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:39,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:39,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:39,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,188 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 [2021-08-27 17:37:39,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,189 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) [2021-08-27 17:37:39,197 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 [2021-08-27 17:37:39,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:39,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:39,213 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 [2021-08-27 17:37:39,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-08-27 17:37:39,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,251 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) [2021-08-27 17:37:39,252 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 [2021-08-27 17:37:39,254 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 [2021-08-27 17:37:39,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:39,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:39,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,314 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 [2021-08-27 17:37:39,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,315 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) [2021-08-27 17:37:39,316 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 [2021-08-27 17:37:39,317 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 [2021-08-27 17:37:39,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:39,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:39,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:39,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-27 17:37:39,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,348 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) [2021-08-27 17:37:39,349 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 [2021-08-27 17:37:39,354 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 [2021-08-27 17:37:39,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:39,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:39,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,418 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 [2021-08-27 17:37:39,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,420 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) [2021-08-27 17:37:39,432 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 [2021-08-27 17:37:39,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:39,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:39,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:39,443 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 [2021-08-27 17:37:39,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,467 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 [2021-08-27 17:37:39,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,468 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) [2021-08-27 17:37:39,469 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 [2021-08-27 17:37:39,470 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 [2021-08-27 17:37:39,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:39,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:39,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:39,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,508 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 [2021-08-27 17:37:39,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,510 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) [2021-08-27 17:37:39,510 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 [2021-08-27 17:37:39,512 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 [2021-08-27 17:37:39,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:39,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:39,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:39,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,536 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 [2021-08-27 17:37:39,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,537 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) [2021-08-27 17:37:39,538 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 [2021-08-27 17:37:39,541 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 [2021-08-27 17:37:39,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:39,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:39,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:39,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,571 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 [2021-08-27 17:37:39,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,573 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) [2021-08-27 17:37:39,573 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 [2021-08-27 17:37:39,575 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 [2021-08-27 17:37:39,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:39,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:39,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:39,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-27 17:37:39,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,603 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) [2021-08-27 17:37:39,604 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 [2021-08-27 17:37:39,607 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 [2021-08-27 17:37:39,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:39,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:39,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,643 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 [2021-08-27 17:37:39,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,644 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) [2021-08-27 17:37:39,645 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 [2021-08-27 17:37:39,646 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 [2021-08-27 17:37:39,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:39,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:39,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,697 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 [2021-08-27 17:37:39,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,699 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) [2021-08-27 17:37:39,700 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 [2021-08-27 17:37:39,701 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 [2021-08-27 17:37:39,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:39,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:39,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:39,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,726 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 [2021-08-27 17:37:39,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,727 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) [2021-08-27 17:37:39,729 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 [2021-08-27 17:37:39,731 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 [2021-08-27 17:37:39,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:39,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:39,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:39,776 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 [2021-08-27 17:37:39,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,777 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) [2021-08-27 17:37:39,778 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 [2021-08-27 17:37:39,779 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 [2021-08-27 17:37:39,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:39,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:39,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:39,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:39,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:39,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:39,820 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:37:39,865 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-08-27 17:37:39,866 INFO L444 ModelExtractionUtils]: 10 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-08-27 17:37:39,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:39,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:39,872 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) [2021-08-27 17:37:39,911 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 [2021-08-27 17:37:39,911 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:37:39,946 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 17:37:39,946 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:37:39,947 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_1, ULTIMATE.start_main_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_1 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [1*ULTIMATE.start_main_~nondetString1~0.offset >= 0] [2021-08-27 17:37:39,971 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 [2021-08-27 17:37:40,022 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-08-27 17:37:40,040 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 [2021-08-27 17:37:40,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:40,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 17:37:40,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:37:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:40,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 17:37:40,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:37:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:37:40,163 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 [2021-08-27 17:37:40,164 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-08-27 17:37:40,240 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 61 states and 89 transitions. Complement of second has 7 states. [2021-08-27 17:37:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 17:37:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-08-27 17:37:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2021-08-27 17:37:40,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 6 letters. Loop has 2 letters. [2021-08-27 17:37:40,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:40,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 8 letters. Loop has 2 letters. [2021-08-27 17:37:40,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:40,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 6 letters. Loop has 4 letters. [2021-08-27 17:37:40,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:40,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 89 transitions. [2021-08-27 17:37:40,256 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-08-27 17:37:40,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 18 states and 26 transitions. [2021-08-27 17:37:40,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-08-27 17:37:40,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-08-27 17:37:40,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2021-08-27 17:37:40,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:37:40,263 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-08-27 17:37:40,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2021-08-27 17:37:40,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-08-27 17:37:40,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-08-27 17:37:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2021-08-27 17:37:40,284 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-08-27 17:37:40,284 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-08-27 17:37:40,284 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 17:37:40,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2021-08-27 17:37:40,286 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-08-27 17:37:40,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:37:40,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:37:40,287 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:37:40,287 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:37:40,287 INFO L791 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 176#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19.base, main_#t~ret19.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 183#L531 assume !(main_~length1~0 < 1); 184#L531-2 assume !(main_~length2~0 < 1); 169#L534-1 assume !(main_~n~0 < 1); 170#L537-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 171#L544-3 assume !(main_~i~0 < main_~length1~0 - main_~n~0 - 1); 173#L544-4 main_~i~1 := 0; 177#L549-3 [2021-08-27 17:37:40,288 INFO L793 eck$LassoCheckResult]: Loop: 177#L549-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 179#L549-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 177#L549-3 [2021-08-27 17:37:40,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:40,289 INFO L82 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2021-08-27 17:37:40,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:40,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155248123] [2021-08-27 17:37:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:40,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:40,318 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:40,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:40,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:40,343 INFO L82 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2021-08-27 17:37:40,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:40,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292275760] [2021-08-27 17:37:40,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:40,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:40,350 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:40,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:40,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:40,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times [2021-08-27 17:37:40,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:40,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176552011] [2021-08-27 17:37:40,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:40,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:37:40,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:37:40,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176552011] [2021-08-27 17:37:40,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176552011] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:37:40,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:37:40,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:37:40,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759031501] [2021-08-27 17:37:40,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:37:40,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 17:37:40,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-27 17:37:40,525 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2021-08-27 17:37:40,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:37:40,596 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2021-08-27 17:37:40,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 17:37:40,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 56 transitions. [2021-08-27 17:37:40,605 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 17 [2021-08-27 17:37:40,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 56 transitions. [2021-08-27 17:37:40,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-08-27 17:37:40,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-08-27 17:37:40,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 56 transitions. [2021-08-27 17:37:40,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:37:40,607 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 56 transitions. [2021-08-27 17:37:40,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 56 transitions. [2021-08-27 17:37:40,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2021-08-27 17:37:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 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) [2021-08-27 17:37:40,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2021-08-27 17:37:40,612 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2021-08-27 17:37:40,612 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2021-08-27 17:37:40,612 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 17:37:40,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 36 transitions. [2021-08-27 17:37:40,614 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-08-27 17:37:40,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:37:40,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:37:40,615 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:37:40,615 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:37:40,615 INFO L791 eck$LassoCheckResult]: Stem: 249#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 250#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19.base, main_#t~ret19.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 258#L531 assume !(main_~length1~0 < 1); 259#L531-2 assume main_~length2~0 < 1;main_~length2~0 := 1; 242#L534-1 assume !(main_~n~0 < 1); 243#L537-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 253#L544-3 assume !(main_~i~0 < main_~length1~0 - main_~n~0 - 1); 246#L544-4 main_~i~1 := 0; 252#L549-3 assume !(main_~i~1 < main_~length2~0 - 1); 254#L549-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 255#L517-3 [2021-08-27 17:37:40,616 INFO L793 eck$LassoCheckResult]: Loop: 255#L517-3 call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 260#L517-1 assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 255#L517-3 [2021-08-27 17:37:40,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:40,617 INFO L82 PathProgramCache]: Analyzing trace with hash -61512291, now seen corresponding path program 1 times [2021-08-27 17:37:40,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:40,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888437982] [2021-08-27 17:37:40,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:40,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:40,645 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:40,669 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:40,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:40,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 1 times [2021-08-27 17:37:40,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:40,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720799304] [2021-08-27 17:37:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:40,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:40,678 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:40,689 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:40,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:40,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1016232354, now seen corresponding path program 1 times [2021-08-27 17:37:40,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:40,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064824619] [2021-08-27 17:37:40,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:40,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:37:40,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:37:40,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064824619] [2021-08-27 17:37:40,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064824619] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:37:40,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:37:40,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:37:40,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926767412] [2021-08-27 17:37:40,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:37:40,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 17:37:40,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-27 17:37:40,880 INFO L87 Difference]: Start difference. First operand 25 states and 36 transitions. cyclomatic complexity: 16 Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2021-08-27 17:37:41,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:37:41,012 INFO L93 Difference]: Finished difference Result 38 states and 51 transitions. [2021-08-27 17:37:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 17:37:41,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2021-08-27 17:37:41,013 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2021-08-27 17:37:41,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 51 transitions. [2021-08-27 17:37:41,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-08-27 17:37:41,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-08-27 17:37:41,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 51 transitions. [2021-08-27 17:37:41,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:37:41,014 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2021-08-27 17:37:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 51 transitions. [2021-08-27 17:37:41,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2021-08-27 17:37:41,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 29 states have internal predecessors, (41), 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) [2021-08-27 17:37:41,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2021-08-27 17:37:41,017 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2021-08-27 17:37:41,017 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2021-08-27 17:37:41,017 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 17:37:41,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2021-08-27 17:37:41,018 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-08-27 17:37:41,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:37:41,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:37:41,018 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:37:41,018 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:37:41,018 INFO L791 eck$LassoCheckResult]: Stem: 330#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 331#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19.base, main_#t~ret19.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 340#L531 assume !(main_~length1~0 < 1); 341#L531-2 assume !(main_~length2~0 < 1); 343#L534-1 assume !(main_~n~0 < 1); 348#L537-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 324#L544-3 assume !!(main_~i~0 < main_~length1~0 - main_~n~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 325#L544-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 332#L544-3 assume !(main_~i~0 < main_~length1~0 - main_~n~0 - 1); 347#L544-4 main_~i~1 := 0; 345#L549-3 [2021-08-27 17:37:41,019 INFO L793 eck$LassoCheckResult]: Loop: 345#L549-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 344#L549-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 345#L549-3 [2021-08-27 17:37:41,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:41,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1713550361, now seen corresponding path program 1 times [2021-08-27 17:37:41,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:41,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716283005] [2021-08-27 17:37:41,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:41,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:41,027 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:41,034 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:41,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:41,035 INFO L82 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 2 times [2021-08-27 17:37:41,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:41,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047909555] [2021-08-27 17:37:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:41,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:41,038 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:41,041 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:41,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:41,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1749424059, now seen corresponding path program 1 times [2021-08-27 17:37:41,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:41,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533292763] [2021-08-27 17:37:41,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:41,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:41,049 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:41,059 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:41,460 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:37:41,460 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:37:41,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:37:41,461 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:37:41,461 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:37:41,461 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:41,461 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:37:41,461 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:37:41,461 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-2.i_Iteration4_Lasso [2021-08-27 17:37:41,461 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:37:41,461 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:37:41,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:41,909 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:37:41,909 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:37:41,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:41,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:41,914 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) [2021-08-27 17:37:41,917 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 [2021-08-27 17:37:41,918 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 [2021-08-27 17:37:41,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:41,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:41,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:41,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:41,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:41,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:41,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:41,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:41,955 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 [2021-08-27 17:37:41,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:41,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:41,956 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) [2021-08-27 17:37:41,957 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 [2021-08-27 17:37:41,958 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 [2021-08-27 17:37:41,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:41,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:41,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:41,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:41,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:41,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:41,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:41,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:41,984 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 [2021-08-27 17:37:41,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:41,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:41,985 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) [2021-08-27 17:37:41,990 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 [2021-08-27 17:37:41,991 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 [2021-08-27 17:37:41,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:41,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:41,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:41,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:41,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:41,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:41,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:42,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,048 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 [2021-08-27 17:37:42,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,049 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) [2021-08-27 17:37:42,050 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 [2021-08-27 17:37:42,052 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 [2021-08-27 17:37:42,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:42,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:42,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:42,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,075 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 [2021-08-27 17:37:42,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,076 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2021-08-27 17:37:42,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-27 17:37:42,078 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 [2021-08-27 17:37:42,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:42,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:42,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-27 17:37:42,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,135 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2021-08-27 17:37:42,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-27 17:37:42,137 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 [2021-08-27 17:37:42,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:42,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:42,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:42,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:42,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,164 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2021-08-27 17:37:42,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 17:37:42,166 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 [2021-08-27 17:37:42,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:42,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:42,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:42,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-08-27 17:37:42,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,217 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2021-08-27 17:37:42,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-27 17:37:42,219 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 [2021-08-27 17:37:42,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:42,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:42,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:42,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-08-27 17:37:42,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,244 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2021-08-27 17:37:42,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-27 17:37:42,246 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 [2021-08-27 17:37:42,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:42,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:42,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:42,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,284 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2021-08-27 17:37:42,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-27 17:37:42,286 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 [2021-08-27 17:37:42,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:42,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:42,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-08-27 17:37:42,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,325 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2021-08-27 17:37:42,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-27 17:37:42,326 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 [2021-08-27 17:37:42,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:42,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:42,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:42,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-08-27 17:37:42,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,351 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2021-08-27 17:37:42,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 17:37:42,353 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 [2021-08-27 17:37:42,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:42,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:42,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:42,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-08-27 17:37:42,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,378 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2021-08-27 17:37:42,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 17:37:42,381 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 [2021-08-27 17:37:42,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:42,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:42,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:42,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:42,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,420 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2021-08-27 17:37:42,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 17:37:42,422 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 [2021-08-27 17:37:42,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:42,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:42,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:42,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:42,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:42,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:42,472 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:37:42,515 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2021-08-27 17:37:42,515 INFO L444 ModelExtractionUtils]: 12 out of 37 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-08-27 17:37:42,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:42,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:42,521 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2021-08-27 17:37:42,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 17:37:42,526 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:37:42,539 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 17:37:42,539 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:37:42,540 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2, ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~nondetString2~0.offset) = 2*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 - 3*ULTIMATE.start_main_~i~1 - 3*ULTIMATE.start_main_~nondetString2~0.offset Supporting invariants [-3*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_2 + 2*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 >= 0] [2021-08-27 17:37:42,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-08-27 17:37:42,570 INFO L297 tatePredicateManager]: 6 out of 8 supporting invariants were superfluous and have been removed [2021-08-27 17:37:42,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:42,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 17:37:42,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:37:42,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-08-27 17:37:42,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:42,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2021-08-27 17:37:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:42,885 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 17:37:42,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:37:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:37:42,925 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-08-27 17:37:42,925 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-08-27 17:37:43,118 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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 61 states and 86 transitions. Complement of second has 13 states. [2021-08-27 17:37:43,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2021-08-27 17:37:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-08-27 17:37:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 32 transitions. [2021-08-27 17:37:43,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32 transitions. Stem has 10 letters. Loop has 2 letters. [2021-08-27 17:37:43,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:43,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32 transitions. Stem has 12 letters. Loop has 2 letters. [2021-08-27 17:37:43,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:43,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32 transitions. Stem has 10 letters. Loop has 4 letters. [2021-08-27 17:37:43,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:43,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 86 transitions. [2021-08-27 17:37:43,121 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 12 [2021-08-27 17:37:43,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 51 states and 69 transitions. [2021-08-27 17:37:43,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-08-27 17:37:43,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2021-08-27 17:37:43,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 69 transitions. [2021-08-27 17:37:43,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:37:43,123 INFO L681 BuchiCegarLoop]: Abstraction has 51 states and 69 transitions. [2021-08-27 17:37:43,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 69 transitions. [2021-08-27 17:37:43,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 36. [2021-08-27 17:37:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 35 states have internal predecessors, (50), 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) [2021-08-27 17:37:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2021-08-27 17:37:43,126 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-08-27 17:37:43,126 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-08-27 17:37:43,126 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 17:37:43,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 50 transitions. [2021-08-27 17:37:43,126 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-08-27 17:37:43,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:37:43,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:37:43,128 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:37:43,128 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:37:43,129 INFO L791 eck$LassoCheckResult]: Stem: 538#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 539#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19.base, main_#t~ret19.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 550#L531 assume !(main_~length1~0 < 1); 551#L531-2 assume main_~length2~0 < 1;main_~length2~0 := 1; 531#L534-1 assume !(main_~n~0 < 1); 532#L537-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 533#L544-3 assume !!(main_~i~0 < main_~length1~0 - main_~n~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 534#L544-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 536#L544-3 assume !(main_~i~0 < main_~length1~0 - main_~n~0 - 1); 537#L544-4 main_~i~1 := 0; 540#L549-3 assume !(main_~i~1 < main_~length2~0 - 1); 541#L549-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 546#L517-3 [2021-08-27 17:37:43,129 INFO L793 eck$LassoCheckResult]: Loop: 546#L517-3 call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 556#L517-1 assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 546#L517-3 [2021-08-27 17:37:43,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:43,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1069365631, now seen corresponding path program 1 times [2021-08-27 17:37:43,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:43,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421679631] [2021-08-27 17:37:43,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:43,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:43,140 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:43,151 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:43,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:43,152 INFO L82 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 2 times [2021-08-27 17:37:43,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:43,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220803649] [2021-08-27 17:37:43,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:43,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:43,156 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:43,158 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:43,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:43,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1163189508, now seen corresponding path program 1 times [2021-08-27 17:37:43,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:43,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161987974] [2021-08-27 17:37:43,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:43,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:43,169 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:43,181 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:43,864 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:37:43,864 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:37:43,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:37:43,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:37:43,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:37:43,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:43,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:37:43,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:37:43,865 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-2.i_Iteration5_Lasso [2021-08-27 17:37:43,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:37:43,865 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:37:43,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:43,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:44,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:44,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:44,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:44,622 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:37:44,623 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:37:44,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,624 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2021-08-27 17:37:44,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 17:37:44,627 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 [2021-08-27 17:37:44,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:44,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:44,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:44,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:44,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,697 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2021-08-27 17:37:44,713 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 [2021-08-27 17:37:44,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:44,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:44,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-27 17:37:44,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:44,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-08-27 17:37:44,755 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,756 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2021-08-27 17:37:44,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-27 17:37:44,761 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 [2021-08-27 17:37:44,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:44,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:44,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:44,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:44,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:44,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,799 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2021-08-27 17:37:44,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-27 17:37:44,801 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 [2021-08-27 17:37:44,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:44,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:44,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:44,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:44,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-27 17:37:44,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,825 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2021-08-27 17:37:44,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-27 17:37:44,827 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 [2021-08-27 17:37:44,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:44,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:44,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:44,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 17:37:44,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,852 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2021-08-27 17:37:44,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-27 17:37:44,854 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 [2021-08-27 17:37:44,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:44,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:44,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:44,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:44,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-27 17:37:44,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,896 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2021-08-27 17:37:44,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 17:37:44,898 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 [2021-08-27 17:37:44,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:44,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:44,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:44,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:44,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:44,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,926 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2021-08-27 17:37:44,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 17:37:44,928 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 [2021-08-27 17:37:44,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:44,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:44,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:44,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:44,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-27 17:37:44,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,956 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2021-08-27 17:37:44,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-27 17:37:44,957 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 [2021-08-27 17:37:44,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:44,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:44,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:44,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:44,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:44,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:44,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:44,985 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2021-08-27 17:37:44,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-27 17:37:44,987 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 [2021-08-27 17:37:44,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:44,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:44,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:44,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:44,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:44,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:44,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:44,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:45,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,019 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2021-08-27 17:37:45,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-27 17:37:45,021 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 [2021-08-27 17:37:45,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:45,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:45,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:45,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,085 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2021-08-27 17:37:45,097 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 [2021-08-27 17:37:45,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-27 17:37:45,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-27 17:37:45,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,124 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2021-08-27 17:37:45,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-27 17:37:45,127 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 [2021-08-27 17:37:45,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:45,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,167 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2021-08-27 17:37:45,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-27 17:37:45,169 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 [2021-08-27 17:37:45,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-27 17:37:45,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,198 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2021-08-27 17:37:45,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-27 17:37:45,206 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 [2021-08-27 17:37:45,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-08-27 17:37:45,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,230 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2021-08-27 17:37:45,239 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 [2021-08-27 17:37:45,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-27 17:37:45,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:45,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,280 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2021-08-27 17:37:45,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-27 17:37:45,283 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 [2021-08-27 17:37:45,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-08-27 17:37:45,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,315 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2021-08-27 17:37:45,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-27 17:37:45,317 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 [2021-08-27 17:37:45,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-08-27 17:37:45,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,341 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2021-08-27 17:37:45,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-27 17:37:45,344 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 [2021-08-27 17:37:45,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:45,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,377 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2021-08-27 17:37:45,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-27 17:37:45,379 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 [2021-08-27 17:37:45,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-08-27 17:37:45,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,432 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2021-08-27 17:37:45,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-27 17:37:45,434 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 [2021-08-27 17:37:45,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-08-27 17:37:45,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,458 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2021-08-27 17:37:45,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-27 17:37:45,460 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 [2021-08-27 17:37:45,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:45,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:45,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:45,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,498 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2021-08-27 17:37:45,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-27 17:37:45,505 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 [2021-08-27 17:37:45,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:45,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,529 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2021-08-27 17:37:45,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-27 17:37:45,538 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 [2021-08-27 17:37:45,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-08-27 17:37:45,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,562 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2021-08-27 17:37:45,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-27 17:37:45,564 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 [2021-08-27 17:37:45,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-08-27 17:37:45,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,587 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2021-08-27 17:37:45,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-27 17:37:45,589 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 [2021-08-27 17:37:45,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:45,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:45,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:45,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-08-27 17:37:45,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,613 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2021-08-27 17:37:45,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-27 17:37:45,615 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 [2021-08-27 17:37:45,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:45,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:45,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-08-27 17:37:45,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,642 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2021-08-27 17:37:45,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-27 17:37:45,644 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 [2021-08-27 17:37:45,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:45,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:45,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:45,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,687 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2021-08-27 17:37:45,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-27 17:37:45,694 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 [2021-08-27 17:37:45,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:45,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:45,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-08-27 17:37:45,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,719 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2021-08-27 17:37:45,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-27 17:37:45,721 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 [2021-08-27 17:37:45,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:45,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:45,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-08-27 17:37:45,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,747 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2021-08-27 17:37:45,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-27 17:37:45,749 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 [2021-08-27 17:37:45,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:45,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:45,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:45,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-08-27 17:37:45,802 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,802 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2021-08-27 17:37:45,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-27 17:37:45,804 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 [2021-08-27 17:37:45,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:45,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:45,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:45,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:45,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:45,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:45,852 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:37:45,872 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-08-27 17:37:45,872 INFO L444 ModelExtractionUtils]: 39 out of 49 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-08-27 17:37:45,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:45,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:45,873 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2021-08-27 17:37:45,885 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:37:45,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-27 17:37:45,913 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 17:37:45,913 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:37:45,913 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrncat_~s~0.base)_1, ULTIMATE.start_cstrncat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrncat_~s~0.base)_1 - 1*ULTIMATE.start_cstrncat_~s~0.offset Supporting invariants [] [2021-08-27 17:37:45,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:45,956 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2021-08-27 17:37:45,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:45,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 17:37:45,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:37:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:46,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 17:37:46,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:37:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:37:46,031 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 [2021-08-27 17:37:46,031 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 50 transitions. cyclomatic complexity: 20 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:37:46,055 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 50 transitions. cyclomatic complexity: 20. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 71 transitions. Complement of second has 6 states. [2021-08-27 17:37:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 17:37:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:37:46,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2021-08-27 17:37:46,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 12 letters. Loop has 2 letters. [2021-08-27 17:37:46,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:46,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 14 letters. Loop has 2 letters. [2021-08-27 17:37:46,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:46,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 12 letters. Loop has 4 letters. [2021-08-27 17:37:46,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:46,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 71 transitions. [2021-08-27 17:37:46,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-08-27 17:37:46,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 45 states and 61 transitions. [2021-08-27 17:37:46,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-08-27 17:37:46,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-08-27 17:37:46,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 61 transitions. [2021-08-27 17:37:46,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 17:37:46,059 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2021-08-27 17:37:46,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 61 transitions. [2021-08-27 17:37:46,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-08-27 17:37:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 43 states have internal predecessors, (60), 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) [2021-08-27 17:37:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2021-08-27 17:37:46,062 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-08-27 17:37:46,062 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-08-27 17:37:46,062 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 17:37:46,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 60 transitions. [2021-08-27 17:37:46,063 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-08-27 17:37:46,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:37:46,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:37:46,064 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:37:46,064 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:37:46,064 INFO L791 eck$LassoCheckResult]: Stem: 725#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 726#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19.base, main_#t~ret19.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 737#L531 assume !(main_~length1~0 < 1); 738#L531-2 assume !(main_~length2~0 < 1); 741#L534-1 assume !(main_~n~0 < 1); 759#L537-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 758#L544-3 assume !!(main_~i~0 < main_~length1~0 - main_~n~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 756#L544-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 754#L544-3 assume !!(main_~i~0 < main_~length1~0 - main_~n~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 753#L544-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 752#L544-3 assume !(main_~i~0 < main_~length1~0 - main_~n~0 - 1); 750#L544-4 main_~i~1 := 0; 743#L549-3 [2021-08-27 17:37:46,064 INFO L793 eck$LassoCheckResult]: Loop: 743#L549-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 742#L549-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 743#L549-3 [2021-08-27 17:37:46,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:46,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1749479291, now seen corresponding path program 2 times [2021-08-27 17:37:46,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:46,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801603539] [2021-08-27 17:37:46,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:46,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:46,072 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:46,089 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:46,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:46,089 INFO L82 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 3 times [2021-08-27 17:37:46,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:46,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501711565] [2021-08-27 17:37:46,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:46,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:46,093 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:46,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:46,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:46,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1917387421, now seen corresponding path program 2 times [2021-08-27 17:37:46,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:46,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036804387] [2021-08-27 17:37:46,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:46,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:46,103 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:37:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:37:46,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:37:46,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:46,460 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:37:46,460 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:37:46,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:37:46,460 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:37:46,460 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:37:46,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:46,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:37:46,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:37:46,461 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-2.i_Iteration6_Lasso [2021-08-27 17:37:46,461 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:37:46,461 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:37:46,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:37:46,846 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:37:46,846 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:37:46,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:46,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:46,852 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2021-08-27 17:37:46,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-27 17:37:46,855 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 [2021-08-27 17:37:46,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:46,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:46,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:46,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:46,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:46,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:46,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:46,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:46,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:46,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:46,893 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2021-08-27 17:37:46,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-27 17:37:46,926 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 [2021-08-27 17:37:46,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:46,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:37:46,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:46,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:46,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:46,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:37:46,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:37:46,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:46,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-08-27 17:37:46,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:46,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:46,951 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2021-08-27 17:37:46,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-27 17:37:46,953 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 [2021-08-27 17:37:46,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:46,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:46,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:46,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:46,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:46,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:46,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:46,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:46,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:46,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:46,982 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2021-08-27 17:37:46,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-27 17:37:46,984 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 [2021-08-27 17:37:46,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:46,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:46,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:46,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:46,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:46,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:47,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:37:47,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-08-27 17:37:47,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:47,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:47,041 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2021-08-27 17:37:47,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-27 17:37:47,045 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 [2021-08-27 17:37:47,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:37:47,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:37:47,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:37:47,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:37:47,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:37:47,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:37:47,066 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:37:47,083 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-08-27 17:37:47,083 INFO L444 ModelExtractionUtils]: 8 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-08-27 17:37:47,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:37:47,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:37:47,084 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2021-08-27 17:37:47,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-27 17:37:47,085 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:37:47,092 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 17:37:47,092 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:37:47,092 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3, ULTIMATE.start_main_~i~1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3 - 1*ULTIMATE.start_main_~i~1 Supporting invariants [1*ULTIMATE.start_main_~nondetString2~0.offset >= 0] [2021-08-27 17:37:47,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:47,118 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-08-27 17:37:47,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:47,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 17:37:47,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:37:47,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-08-27 17:37:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:47,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 17:37:47,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:37:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:37:47,301 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-27 17:37:47,302 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-08-27 17:37:47,339 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 64 states and 93 transitions. Complement of second has 7 states. [2021-08-27 17:37:47,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 17:37:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-08-27 17:37:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2021-08-27 17:37:47,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 12 letters. Loop has 2 letters. [2021-08-27 17:37:47,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:47,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 14 letters. Loop has 2 letters. [2021-08-27 17:37:47,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:47,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 12 letters. Loop has 4 letters. [2021-08-27 17:37:47,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:37:47,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 93 transitions. [2021-08-27 17:37:47,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 17:37:47,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 45 states and 62 transitions. [2021-08-27 17:37:47,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-08-27 17:37:47,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-08-27 17:37:47,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 62 transitions. [2021-08-27 17:37:47,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 17:37:47,343 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 62 transitions. [2021-08-27 17:37:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 62 transitions. [2021-08-27 17:37:47,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2021-08-27 17:37:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 38 states have internal predecessors, (53), 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) [2021-08-27 17:37:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2021-08-27 17:37:47,346 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2021-08-27 17:37:47,346 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2021-08-27 17:37:47,346 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-27 17:37:47,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 53 transitions. [2021-08-27 17:37:47,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 17:37:47,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:37:47,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:37:47,347 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:37:47,347 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 17:37:47,347 INFO L791 eck$LassoCheckResult]: Stem: 933#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 934#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19.base, main_#t~ret19.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 949#L531 assume !(main_~length1~0 < 1); 950#L531-2 assume main_~length2~0 < 1;main_~length2~0 := 1; 926#L534-1 assume !(main_~n~0 < 1); 927#L537-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 940#L544-3 assume !(main_~i~0 < main_~length1~0 - main_~n~0 - 1); 930#L544-4 main_~i~1 := 0; 960#L549-3 assume !(main_~i~1 < main_~length2~0 - 1); 941#L549-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 942#L517-3 call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 947#L517-1 assume !(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2; 948#L519-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 959#L519 assume !cstrncat_#t~short6; 956#L519-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~mem5;havoc cstrncat_#t~short6;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 957#L519-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 952#L519 [2021-08-27 17:37:47,348 INFO L793 eck$LassoCheckResult]: Loop: 952#L519 assume !cstrncat_#t~short6; 943#L519-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~mem5;havoc cstrncat_#t~short6;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 944#L519-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 952#L519 [2021-08-27 17:37:47,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:47,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1436393274, now seen corresponding path program 1 times [2021-08-27 17:37:47,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:47,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360028944] [2021-08-27 17:37:47,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:47,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:37:47,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:37:47,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360028944] [2021-08-27 17:37:47,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360028944] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:37:47,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:37:47,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:37:47,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791115439] [2021-08-27 17:37:47,381 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 17:37:47,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:37:47,382 INFO L82 PathProgramCache]: Analyzing trace with hash 104447, now seen corresponding path program 1 times [2021-08-27 17:37:47,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:37:47,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126427281] [2021-08-27 17:37:47,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:37:47,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:37:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:37:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:37:47,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:37:47,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126427281] [2021-08-27 17:37:47,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126427281] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:37:47,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:37:47,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 17:37:47,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128496107] [2021-08-27 17:37:47,393 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 17:37:47,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:37:47,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 17:37:47,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 17:37:47,394 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. cyclomatic complexity: 20 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-08-27 17:37:47,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:37:47,400 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2021-08-27 17:37:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 17:37:47,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2021-08-27 17:37:47,401 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:37:47,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2021-08-27 17:37:47,402 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 17:37:47,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 17:37:47,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 17:37:47,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:37:47,402 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:37:47,402 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:37:47,402 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:37:47,402 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-27 17:37:47,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 17:37:47,403 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:37:47,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 17:37:47,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 05:37:47 BoogieIcfgContainer [2021-08-27 17:37:47,408 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 17:37:47,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 17:37:47,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 17:37:47,409 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 17:37:47,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:37:37" (3/4) ... [2021-08-27 17:37:47,411 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 17:37:47,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 17:37:47,412 INFO L168 Benchmark]: Toolchain (without parser) took 10507.75 ms. Allocated memory was 65.0 MB in the beginning and 209.7 MB in the end (delta: 144.7 MB). Free memory was 43.6 MB in the beginning and 145.6 MB in the end (delta: -102.0 MB). Peak memory consumption was 45.7 MB. Max. memory is 16.1 GB. [2021-08-27 17:37:47,413 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 17:37:47,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.25 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 44.3 MB in the end (delta: -816.8 kB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-08-27 17:37:47,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.94 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 42.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 17:37:47,414 INFO L168 Benchmark]: Boogie Preprocessor took 22.55 ms. Allocated memory is still 65.0 MB. Free memory was 42.2 MB in the beginning and 40.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 17:37:47,414 INFO L168 Benchmark]: RCFGBuilder took 347.79 ms. Allocated memory is still 65.0 MB. Free memory was 40.8 MB in the beginning and 41.3 MB in the end (delta: -449.5 kB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-08-27 17:37:47,414 INFO L168 Benchmark]: BuchiAutomizer took 9696.02 ms. Allocated memory was 65.0 MB in the beginning and 209.7 MB in the end (delta: 144.7 MB). Free memory was 41.3 MB in the beginning and 145.6 MB in the end (delta: -104.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2021-08-27 17:37:47,414 INFO L168 Benchmark]: Witness Printer took 2.61 ms. Allocated memory is still 209.7 MB. Free memory is still 145.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 17:37:47,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 391.25 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 44.3 MB in the end (delta: -816.8 kB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.94 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 42.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.55 ms. Allocated memory is still 65.0 MB. Free memory was 42.2 MB in the beginning and 40.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 347.79 ms. Allocated memory is still 65.0 MB. Free memory was 40.8 MB in the beginning and 41.3 MB in the end (delta: -449.5 kB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9696.02 ms. Allocated memory was 65.0 MB in the beginning and 209.7 MB in the end (delta: 144.7 MB). Free memory was 41.3 MB in the beginning and 145.6 MB in the end (delta: -104.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * Witness Printer took 2.61 ms. Allocated memory is still 209.7 MB. Free memory is still 145.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (3 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -3 * nondetString2 + -3 * i + 2 * unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 10 locations. One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString2] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.6s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 8.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 24.2ms AutomataMinimizationTime, 6 MinimizatonAttempts, 46 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 44 states and ocurred in iteration 5. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 137 SDtfs, 199 SDslu, 184 SDs, 0 SdLazy, 175 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 170.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital168 mio100 ax111 hnf99 lsp85 ukn77 mio100 lsp59 div100 bol100 ite100 ukn100 eq164 hnf91 smp97 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms 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! [2021-08-27 17:37:47,441 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...