./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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/cstrchr-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 276936ba1494f32a328b3de86f664a380d5263e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 06:02:01,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 06:02:01,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 06:02:01,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 06:02:01,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 06:02:01,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 06:02:01,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 06:02:01,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 06:02:01,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 06:02:01,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 06:02:01,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 06:02:01,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 06:02:01,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 06:02:01,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 06:02:01,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 06:02:01,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 06:02:01,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 06:02:01,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 06:02:01,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 06:02:01,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 06:02:01,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 06:02:01,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 06:02:01,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 06:02:01,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 06:02:01,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 06:02:01,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 06:02:01,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 06:02:01,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 06:02:01,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 06:02:01,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 06:02:01,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 06:02:01,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 06:02:01,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 06:02:01,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 06:02:01,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 06:02:01,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 06:02:01,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 06:02:01,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 06:02:01,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 06:02:01,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 06:02:01,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 06:02:01,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 06:02:01,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 06:02:01,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 06:02:01,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 06:02:01,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 06:02:01,492 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 06:02:01,493 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 06:02:01,493 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 06:02:01,493 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 06:02:01,494 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 06:02:01,494 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 06:02:01,495 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 06:02:01,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 06:02:01,496 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 06:02:01,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 06:02:01,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 06:02:01,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 06:02:01,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 06:02:01,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 06:02:01,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 06:02:01,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 06:02:01,498 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 06:02:01,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 06:02:01,499 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 06:02:01,499 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 06:02:01,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 06:02:01,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 06:02:01,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 06:02:01,500 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 06:02:01,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 06:02:01,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 06:02:01,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 06:02:01,502 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 06:02:01,504 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 06:02:01,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 276936ba1494f32a328b3de86f664a380d5263e9 [2020-10-26 06:02:01,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 06:02:01,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 06:02:02,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 06:02:02,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 06:02:02,004 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 06:02:02,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2020-10-26 06:02:02,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e593264/20b48f7ca4044f508549a6c0be834d73/FLAG3fc84d5f1 [2020-10-26 06:02:02,789 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 06:02:02,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2020-10-26 06:02:02,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e593264/20b48f7ca4044f508549a6c0be834d73/FLAG3fc84d5f1 [2020-10-26 06:02:03,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e593264/20b48f7ca4044f508549a6c0be834d73 [2020-10-26 06:02:03,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 06:02:03,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 06:02:03,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 06:02:03,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 06:02:03,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 06:02:03,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7ac824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03, skipping insertion in model container [2020-10-26 06:02:03,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 06:02:03,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 06:02:03,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 06:02:03,634 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 06:02:03,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 06:02:03,758 INFO L208 MainTranslator]: Completed translation [2020-10-26 06:02:03,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03 WrapperNode [2020-10-26 06:02:03,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 06:02:03,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 06:02:03,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 06:02:03,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 06:02:03,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 06:02:03,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 06:02:03,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 06:02:03,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 06:02:03,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... [2020-10-26 06:02:03,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 06:02:03,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 06:02:03,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 06:02:03,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 06:02:03,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 06:02:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 06:02:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 06:02:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 06:02:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 06:02:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 06:02:04,249 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 06:02:04,252 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-26 06:02:04,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:02:04 BoogieIcfgContainer [2020-10-26 06:02:04,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 06:02:04,259 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 06:02:04,260 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 06:02:04,271 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 06:02:04,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 06:02:04,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 06:02:03" (1/3) ... [2020-10-26 06:02:04,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34e05653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 06:02:04, skipping insertion in model container [2020-10-26 06:02:04,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 06:02:04,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:02:03" (2/3) ... [2020-10-26 06:02:04,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34e05653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 06:02:04, skipping insertion in model container [2020-10-26 06:02:04,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 06:02:04,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:02:04" (3/3) ... [2020-10-26 06:02:04,288 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrchr-alloca-2.i [2020-10-26 06:02:04,380 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 06:02:04,381 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 06:02:04,381 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 06:02:04,381 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 06:02:04,382 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 06:02:04,382 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 06:02:04,382 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 06:02:04,382 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 06:02:04,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-26 06:02:04,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-26 06:02:04,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:02:04,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:02:04,442 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 06:02:04,442 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 06:02:04,443 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 06:02:04,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-26 06:02:04,447 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-26 06:02:04,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:02:04,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:02:04,448 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 06:02:04,449 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 06:02:04,458 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 13#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet12, main_#t~ret13.base, main_#t~ret13.offset, main_~length~0, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8; 11#L522true assume !(main_~length~0 < 1); 16#L522-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 7#L527-3true [2020-10-26 06:02:04,459 INFO L796 eck$LassoCheckResult]: Loop: 7#L527-3true assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet11, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 6#L527-2true main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 7#L527-3true [2020-10-26 06:02:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:04,473 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-10-26 06:02:04,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:04,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667559635] [2020-10-26 06:02:04,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:04,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:04,705 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:04,735 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:02:04,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:04,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-10-26 06:02:04,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:04,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148713474] [2020-10-26 06:02:04,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:04,778 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:04,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:04,802 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:02:04,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:04,805 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-10-26 06:02:04,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:04,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072356202] [2020-10-26 06:02:04,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:04,854 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:04,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:04,901 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:02:05,147 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 06:02:05,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 06:02:05,149 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 06:02:05,149 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 06:02:05,149 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 06:02:05,150 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:05,150 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 06:02:05,150 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 06:02:05,150 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca-2.i_Iteration1_Lasso [2020-10-26 06:02:05,151 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 06:02:05,151 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 06:02:05,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:05,662 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 06:02:05,667 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:05,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:05,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:05,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:05,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:05,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:05,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:05,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:05,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:02:05,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:05,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:05,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:05,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:05,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:05,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:05,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:05,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:05,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:05,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:05,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:05,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:05,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:05,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:05,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:05,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:05,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:02:05,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:05,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:05,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:05,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:05,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:05,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:05,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:05,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:05,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:02:05,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:05,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:05,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:05,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:05,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:05,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:05,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:05,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:05,906 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 06:02:05,946 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-26 06:02:05,946 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:05,952 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 06:02:05,955 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 06:02:05,955 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 06:02:05,958 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2020-10-26 06:02:05,996 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-10-26 06:02:06,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:02:06,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 06:02:06,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:02:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:02:06,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 06:02:06,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:02:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:02:06,137 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 [2020-10-26 06:02:06,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 3 states. [2020-10-26 06:02:06,197 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 3 states. Result 41 states and 57 transitions. Complement of second has 7 states. [2020-10-26 06:02:06,198 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 [2020-10-26 06:02:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 06:02:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2020-10-26 06:02:06,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-26 06:02:06,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:02:06,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-26 06:02:06,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:02:06,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 4 letters. [2020-10-26 06:02:06,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:02:06,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 57 transitions. [2020-10-26 06:02:06,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 06:02:06,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 11 states and 15 transitions. [2020-10-26 06:02:06,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-26 06:02:06,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-26 06:02:06,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2020-10-26 06:02:06,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 06:02:06,217 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-10-26 06:02:06,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2020-10-26 06:02:06,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-26 06:02:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-26 06:02:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2020-10-26 06:02:06,247 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-10-26 06:02:06,247 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-10-26 06:02:06,247 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 06:02:06,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2020-10-26 06:02:06,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 06:02:06,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:02:06,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:02:06,249 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-26 06:02:06,249 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 06:02:06,250 INFO L794 eck$LassoCheckResult]: Stem: 119#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 115#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet12, main_#t~ret13.base, main_#t~ret13.offset, main_~length~0, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8; 116#L522 assume !(main_~length~0 < 1); 120#L522-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 121#L527-3 assume !(main_~i~0 < main_~length~0 - 1); 124#L527-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_~nondetString~0.base, main_~nondetString~0.offset, main_#t~nondet12;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset, cstrchr_#t~mem2, cstrchr_#t~mem3, cstrchr_#t~short4, cstrchr_#t~mem6, cstrchr_#t~ite7.base, cstrchr_#t~ite7.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 125#L516-5 [2020-10-26 06:02:06,250 INFO L796 eck$LassoCheckResult]: Loop: 125#L516-5 call cstrchr_#t~mem2 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := 0 != cstrchr_#t~mem2; 117#L516-1 assume !cstrchr_#t~short4; 118#L516-3 assume !!cstrchr_#t~short4;havoc cstrchr_#t~mem3;havoc cstrchr_#t~short4;havoc cstrchr_#t~mem2;cstrchr_#t~post5.base, cstrchr_#t~post5.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post5.base, 1 + cstrchr_#t~post5.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset; 125#L516-5 [2020-10-26 06:02:06,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:06,251 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2020-10-26 06:02:06,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:06,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69476803] [2020-10-26 06:02:06,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,267 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,283 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:02:06,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:06,284 INFO L82 PathProgramCache]: Analyzing trace with hash 57761, now seen corresponding path program 1 times [2020-10-26 06:02:06,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:06,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46968188] [2020-10-26 06:02:06,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:02:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:02:06,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46968188] [2020-10-26 06:02:06,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 06:02:06,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 06:02:06,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116466521] [2020-10-26 06:02:06,331 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 06:02:06,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 06:02:06,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 06:02:06,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 06:02:06,336 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-10-26 06:02:06,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 06:02:06,358 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2020-10-26 06:02:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 06:02:06,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2020-10-26 06:02:06,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 06:02:06,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2020-10-26 06:02:06,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-26 06:02:06,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-26 06:02:06,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2020-10-26 06:02:06,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 06:02:06,362 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-10-26 06:02:06,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2020-10-26 06:02:06,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-26 06:02:06,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-26 06:02:06,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2020-10-26 06:02:06,364 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-10-26 06:02:06,364 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-10-26 06:02:06,364 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 06:02:06,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2020-10-26 06:02:06,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 06:02:06,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:02:06,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:02:06,366 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-26 06:02:06,366 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 06:02:06,366 INFO L794 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 144#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet12, main_#t~ret13.base, main_#t~ret13.offset, main_~length~0, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8; 145#L522 assume !(main_~length~0 < 1); 149#L522-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 150#L527-3 assume !(main_~i~0 < main_~length~0 - 1); 153#L527-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_~nondetString~0.base, main_~nondetString~0.offset, main_#t~nondet12;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset, cstrchr_#t~mem2, cstrchr_#t~mem3, cstrchr_#t~short4, cstrchr_#t~mem6, cstrchr_#t~ite7.base, cstrchr_#t~ite7.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 154#L516-5 [2020-10-26 06:02:06,367 INFO L796 eck$LassoCheckResult]: Loop: 154#L516-5 call cstrchr_#t~mem2 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := 0 != cstrchr_#t~mem2; 147#L516-1 assume cstrchr_#t~short4;call cstrchr_#t~mem3 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := cstrchr_#t~mem3 != (if cstrchr_~c % 256 <= 127 then cstrchr_~c % 256 else cstrchr_~c % 256 - 256); 148#L516-3 assume !!cstrchr_#t~short4;havoc cstrchr_#t~mem3;havoc cstrchr_#t~short4;havoc cstrchr_#t~mem2;cstrchr_#t~post5.base, cstrchr_#t~post5.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post5.base, 1 + cstrchr_#t~post5.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset; 154#L516-5 [2020-10-26 06:02:06,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:06,367 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2020-10-26 06:02:06,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:06,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99994219] [2020-10-26 06:02:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,393 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,397 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:02:06,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:06,398 INFO L82 PathProgramCache]: Analyzing trace with hash 57699, now seen corresponding path program 1 times [2020-10-26 06:02:06,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:06,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245571684] [2020-10-26 06:02:06,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,411 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,420 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,423 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:02:06,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:06,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1183926615, now seen corresponding path program 1 times [2020-10-26 06:02:06,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:06,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795005051] [2020-10-26 06:02:06,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:02:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:02:06,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795005051] [2020-10-26 06:02:06,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 06:02:06,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-26 06:02:06,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266159518] [2020-10-26 06:02:06,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 06:02:06,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 06:02:06,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-26 06:02:06,757 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 7 states. [2020-10-26 06:02:06,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 06:02:06,882 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2020-10-26 06:02:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 06:02:06,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2020-10-26 06:02:06,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 06:02:06,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 14 transitions. [2020-10-26 06:02:06,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-26 06:02:06,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-26 06:02:06,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 14 transitions. [2020-10-26 06:02:06,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 06:02:06,891 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2020-10-26 06:02:06,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 14 transitions. [2020-10-26 06:02:06,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2020-10-26 06:02:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-26 06:02:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-10-26 06:02:06,894 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-26 06:02:06,894 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-26 06:02:06,894 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 06:02:06,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2020-10-26 06:02:06,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 06:02:06,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:02:06,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:02:06,896 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 06:02:06,896 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 06:02:06,897 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 188#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet12, main_#t~ret13.base, main_#t~ret13.offset, main_~length~0, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8; 189#L522 assume !(main_~length~0 < 1); 193#L522-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 194#L527-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet11, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 195#L527-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 196#L527-3 assume !(main_~i~0 < main_~length~0 - 1); 197#L527-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_~nondetString~0.base, main_~nondetString~0.offset, main_#t~nondet12;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset, cstrchr_#t~mem2, cstrchr_#t~mem3, cstrchr_#t~short4, cstrchr_#t~mem6, cstrchr_#t~ite7.base, cstrchr_#t~ite7.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 198#L516-5 [2020-10-26 06:02:06,897 INFO L796 eck$LassoCheckResult]: Loop: 198#L516-5 call cstrchr_#t~mem2 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := 0 != cstrchr_#t~mem2; 191#L516-1 assume cstrchr_#t~short4;call cstrchr_#t~mem3 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := cstrchr_#t~mem3 != (if cstrchr_~c % 256 <= 127 then cstrchr_~c % 256 else cstrchr_~c % 256 - 256); 192#L516-3 assume !!cstrchr_#t~short4;havoc cstrchr_#t~mem3;havoc cstrchr_#t~short4;havoc cstrchr_#t~mem2;cstrchr_#t~post5.base, cstrchr_#t~post5.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post5.base, 1 + cstrchr_#t~post5.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset; 198#L516-5 [2020-10-26 06:02:06,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:06,898 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2020-10-26 06:02:06,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:06,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094646611] [2020-10-26 06:02:06,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,926 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:02:06,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:06,927 INFO L82 PathProgramCache]: Analyzing trace with hash 57699, now seen corresponding path program 2 times [2020-10-26 06:02:06,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:06,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489974653] [2020-10-26 06:02:06,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,935 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,944 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:02:06,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:06,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1235380661, now seen corresponding path program 1 times [2020-10-26 06:02:06,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:02:06,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652476956] [2020-10-26 06:02:06,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:02:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,965 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:02:06,980 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:02:06,986 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:02:07,322 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-26 06:02:07,415 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 06:02:07,416 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 06:02:07,416 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 06:02:07,416 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 06:02:07,416 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 06:02:07,416 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:07,416 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 06:02:07,417 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 06:02:07,417 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca-2.i_Iteration4_Lasso [2020-10-26 06:02:07,417 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 06:02:07,417 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 06:02:07,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:02:07,642 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-10-26 06:02:07,757 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-26 06:02:08,331 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-10-26 06:02:08,378 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 06:02:08,379 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:08,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:02:08,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:08,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:08,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:08,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:08,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:08,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:08,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:08,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:08,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:08,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:08,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:08,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:08,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:09,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:09,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:09,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:09,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:09,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:09,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:09,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:02:09,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:09,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:09,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:09,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:09,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:09,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:09,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:02:09,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:09,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:09,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:09,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:02:09,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:09,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:09,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:09,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:02:09,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:09,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:09,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:02:09,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:02:09,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:02:09,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:09,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:02:09,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:09,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:09,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:02:09,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:02:09,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:02:09,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:02:09,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:02:09,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:02:09,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:02:09,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:02:09,388 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 06:02:09,425 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-26 06:02:09,425 INFO L444 ModelExtractionUtils]: 18 out of 28 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:02:09,427 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 06:02:09,430 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 06:02:09,430 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 06:02:09,430 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString~0.base)_2, ULTIMATE.start_cstrchr_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0.base)_2 - 1*ULTIMATE.start_cstrchr_~s.offset Supporting invariants [] [2020-10-26 06:02:09,466 INFO L297 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 06:02:09,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-26 06:02:09,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:02:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:02:09,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-26 06:02:09,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:02:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:02:09,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-26 06:02:09,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:02:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:02:09,557 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 [2020-10-26 06:02:09,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand 4 states. [2020-10-26 06:02:09,603 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 14 states and 17 transitions. Complement of second has 5 states. [2020-10-26 06:02:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 06:02:09,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 06:02:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-10-26 06:02:09,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2020-10-26 06:02:09,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:02:09,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 11 letters. Loop has 3 letters. [2020-10-26 06:02:09,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:02:09,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 6 letters. [2020-10-26 06:02:09,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:02:09,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2020-10-26 06:02:09,606 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 06:02:09,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2020-10-26 06:02:09,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 06:02:09,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 06:02:09,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 06:02:09,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 06:02:09,607 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 06:02:09,607 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 06:02:09,607 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 06:02:09,607 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-26 06:02:09,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 06:02:09,607 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 06:02:09,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 06:02:09,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 06:02:09 BoogieIcfgContainer [2020-10-26 06:02:09,616 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 06:02:09,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 06:02:09,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 06:02:09,617 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 06:02:09,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:02:04" (3/4) ... [2020-10-26 06:02:09,620 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 06:02:09,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 06:02:09,622 INFO L168 Benchmark]: Toolchain (without parser) took 6467.04 ms. Allocated memory was 48.2 MB in the beginning and 104.9 MB in the end (delta: 56.6 MB). Free memory was 32.0 MB in the beginning and 43.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. [2020-10-26 06:02:09,623 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory was 24.7 MB in the beginning and 24.7 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 06:02:09,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.05 ms. Allocated memory is still 48.2 MB. Free memory was 31.5 MB in the beginning and 22.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-10-26 06:02:09,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.22 ms. Allocated memory is still 48.2 MB. Free memory was 22.0 MB in the beginning and 20.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 06:02:09,625 INFO L168 Benchmark]: Boogie Preprocessor took 31.68 ms. Allocated memory is still 48.2 MB. Free memory was 20.2 MB in the beginning and 19.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 06:02:09,625 INFO L168 Benchmark]: RCFGBuilder took 411.90 ms. Allocated memory is still 48.2 MB. Free memory was 18.9 MB in the beginning and 28.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2020-10-26 06:02:09,626 INFO L168 Benchmark]: BuchiAutomizer took 5357.47 ms. Allocated memory was 48.2 MB in the beginning and 104.9 MB in the end (delta: 56.6 MB). Free memory was 28.8 MB in the beginning and 44.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2020-10-26 06:02:09,627 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 104.9 MB. Free memory was 44.2 MB in the beginning and 43.3 MB in the end (delta: 917.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 06:02:09,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory was 24.7 MB in the beginning and 24.7 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 569.05 ms. Allocated memory is still 48.2 MB. Free memory was 31.5 MB in the beginning and 22.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.22 ms. Allocated memory is still 48.2 MB. Free memory was 22.0 MB in the beginning and 20.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.68 ms. Allocated memory is still 48.2 MB. Free memory was 20.2 MB in the beginning and 19.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 411.90 ms. Allocated memory is still 48.2 MB. Free memory was 18.9 MB in the beginning and 28.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5357.47 ms. Allocated memory was 48.2 MB in the beginning and 104.9 MB in the end (delta: 56.6 MB). Free memory was 28.8 MB in the beginning and 44.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.87 ms. Allocated memory is still 104.9 MB. Free memory was 44.2 MB in the beginning and 43.3 MB in the end (delta: 917.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString] + -1 * s and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 43 SDtfs, 45 SDslu, 50 SDs, 0 SdLazy, 57 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital130 mio100 ax114 hnf99 lsp81 ukn84 mio100 lsp52 div109 bol100 ite100 ukn100 eq161 hnf87 smp96 dnf419 smp63 tf100 neg97 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 2 VariablesLoop: 2 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! Received shutdown request...