./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/terminator_01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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/loops/terminator_01.c -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 5a96d8f7116f07c51cbc3e08fb353595839e97bf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 19:32:24,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:32:24,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:32:24,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:32:24,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:32:24,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:32:24,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:32:24,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:32:24,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:32:24,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:32:24,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:32:24,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:32:24,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:32:24,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:32:24,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:32:24,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:32:24,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:32:24,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:32:24,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:32:24,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:32:24,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:32:24,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:32:24,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:32:24,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:32:24,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:32:24,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:32:24,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:32:24,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:32:24,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:32:24,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:32:24,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:32:24,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:32:24,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:32:24,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:32:24,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:32:24,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:32:24,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:32:24,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:32:24,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:32:24,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:32:24,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:32:24,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:32:24,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:32:24,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:32:24,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:32:24,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:32:24,167 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:32:24,167 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:32:24,167 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:32:24,167 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:32:24,168 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:32:24,168 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:32:24,168 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:32:24,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:32:24,168 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:32:24,168 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:32:24,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:32:24,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:32:24,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:32:24,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:32:24,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:32:24,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:32:24,170 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:32:24,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:32:24,170 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:32:24,170 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:32:24,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:32:24,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:32:24,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:32:24,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:32:24,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:32:24,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:32:24,172 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:32:24,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a96d8f7116f07c51cbc3e08fb353595839e97bf [2021-07-06 19:32:24,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:32:24,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:32:24,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:32:24,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:32:24,463 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:32:24,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_01.c [2021-07-06 19:32:24,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a52cfcc/dcda616750e04e0dbd2ff772c931e7c4/FLAGa015abbaa [2021-07-06 19:32:24,816 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:32:24,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_01.c [2021-07-06 19:32:24,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a52cfcc/dcda616750e04e0dbd2ff772c931e7c4/FLAGa015abbaa [2021-07-06 19:32:25,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a52cfcc/dcda616750e04e0dbd2ff772c931e7c4 [2021-07-06 19:32:25,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:32:25,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:32:25,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:32:25,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:32:25,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:32:25,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3e8438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25, skipping insertion in model container [2021-07-06 19:32:25,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:32:25,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:32:25,385 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_01.c[325,338] [2021-07-06 19:32:25,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:32:25,396 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:32:25,403 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_01.c[325,338] [2021-07-06 19:32:25,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:32:25,413 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:32:25,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25 WrapperNode [2021-07-06 19:32:25,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:32:25,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:32:25,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:32:25,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:32:25,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:32:25,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:32:25,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:32:25,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:32:25,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:32:25,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:32:25,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:32:25,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:32:25,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (1/1) ... [2021-07-06 19:32:25,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:25,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:25,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:25,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-07-06 19:32:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:32:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:32:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-06 19:32:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:32:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:32:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-06 19:32:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-06 19:32:25,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:32:25,718 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-06 19:32:25,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:32:25 BoogieIcfgContainer [2021-07-06 19:32:25,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:32:25,720 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:32:25,720 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:32:25,722 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:32:25,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:32:25,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:32:25" (1/3) ... [2021-07-06 19:32:25,724 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c091f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:32:25, skipping insertion in model container [2021-07-06 19:32:25,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:32:25,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:25" (2/3) ... [2021-07-06 19:32:25,724 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c091f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:32:25, skipping insertion in model container [2021-07-06 19:32:25,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:32:25,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:32:25" (3/3) ... [2021-07-06 19:32:25,725 INFO L389 chiAutomizerObserver]: Analyzing ICFG terminator_01.c [2021-07-06 19:32:25,757 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:32:25,757 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:32:25,757 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:32:25,757 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:32:25,758 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:32:25,758 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:32:25,758 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:32:25,758 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:32:25,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:32:25,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-07-06 19:32:25,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:32:25,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:32:25,781 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 19:32:25,781 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 19:32:25,781 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 19:32:25,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:32:25,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-07-06 19:32:25,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:32:25,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:32:25,783 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 19:32:25,783 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 19:32:25,787 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~mem9, main_#t~post10, main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, main_~p~0.base, main_~p~0.offset;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4);call write~init~int(main_#t~nondet7, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~nondet7;main_~p~0.base, main_~p~0.offset := main_~#x~0.base, main_~#x~0.offset; 4#L18-3true [2021-07-06 19:32:25,788 INFO L793 eck$LassoCheckResult]: Loop: 4#L18-3true call main_#t~mem8 := read~int(main_~#x~0.base, main_~#x~0.offset, 4); 7#L18-1true assume !!(main_#t~mem8 < 100);havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~post10;havoc main_#t~mem9; 4#L18-3true [2021-07-06 19:32:25,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:25,792 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-07-06 19:32:25,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:32:25,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696490930] [2021-07-06 19:32:25,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:32:25,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:32:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:25,885 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:25,916 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:25,930 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:32:25,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:25,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-07-06 19:32:25,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:32:25,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820676795] [2021-07-06 19:32:25,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:32:25,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:32:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:25,950 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:25,963 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:25,967 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:32:25,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:25,969 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-07-06 19:32:25,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:32:25,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395638096] [2021-07-06 19:32:25,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:32:25,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:32:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:25,994 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:26,004 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:26,007 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:32:26,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:26,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-06 19:32:26,274 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-06 19:32:26,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:26,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-07-06 19:32:26,395 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:32:26,395 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:32:26,396 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:32:26,396 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:32:26,396 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 19:32:26,396 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:26,399 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:32:26,399 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:32:26,399 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_01.c_Iteration1_Lasso [2021-07-06 19:32:26,399 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:32:26,399 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:32:26,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:26,934 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:32:26,937 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 19:32:26,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:26,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:26,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:26,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:26,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:26,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:26,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:26,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:26,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:26,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:26,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-07-06 19:32:26,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:26,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:26,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:26,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:26,988 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:26,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-07-06 19:32:26,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:26,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:26,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:32:26,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:26,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:26,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:26,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:32:26,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:32:27,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-07-06 19:32:27,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:32:27,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:32:27,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:32:27,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,078 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-07-06 19:32:27,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,153 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-07-06 19:32:27,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:32:27,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:32:27,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:32:27,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,194 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-07-06 19:32:27,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-07-06 19:32:27,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,295 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-07-06 19:32:27,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,348 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-07-06 19:32:27,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,429 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-07-06 19:32:27,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-07-06 19:32:27,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,507 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-07-06 19:32:27,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,587 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-07-06 19:32:27,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,633 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-07-06 19:32:27,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,680 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-07-06 19:32:27,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,746 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-07-06 19:32:27,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,782 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-07-06 19:32:27,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:27,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,813 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-07-06 19:32:27,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:32:27,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:27,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:27,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:27,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:27,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:27,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:27,840 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 19:32:27,849 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-07-06 19:32:27,849 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-07-06 19:32:27,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:27,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:27,852 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:27,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 19:32:27,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-07-06 19:32:27,873 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 19:32:27,873 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 19:32:27,874 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1 + 199 Supporting invariants [] [2021-07-06 19:32:27,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:27,953 INFO L297 tatePredicateManager]: 19 out of 21 supporting invariants were superfluous and have been removed [2021-07-06 19:32:27,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:32:28,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 19:32:28,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:32:28,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-07-06 19:32:28,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:28,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:28,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:28,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:28,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:28,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:28,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:28,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:32:28,072 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-06 19:32:28,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:32:28,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:28,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-06 19:32:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:28,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-06 19:32:28,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:28,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-06 19:32:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:28,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-06 19:32:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 19:32:28,100 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-07-06 19:32:28,101 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:32:28,145 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 28 transitions. Complement of second has 8 states. [2021-07-06 19:32:28,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-07-06 19:32:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:32:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-07-06 19:32:28,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2021-07-06 19:32:28,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:32:28,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-07-06 19:32:28,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:32:28,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2021-07-06 19:32:28,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:32:28,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2021-07-06 19:32:28,151 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:32:28,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-07-06 19:32:28,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 19:32:28,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 19:32:28,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 19:32:28,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 19:32:28,154 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:32:28,154 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:32:28,155 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:32:28,155 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 19:32:28,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 19:32:28,155 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:32:28,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:32:28,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:32:28 BoogieIcfgContainer [2021-07-06 19:32:28,159 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:32:28,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:32:28,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:32:28,159 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:32:28,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:32:25" (3/4) ... [2021-07-06 19:32:28,162 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:32:28,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:32:28,163 INFO L168 Benchmark]: Toolchain (without parser) took 2900.06 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 29.7 MB in the beginning and 44.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:28,163 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:28,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.06 ms. Allocated memory is still 52.4 MB. Free memory was 29.5 MB in the beginning and 33.6 MB in the end (delta: -4.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:28,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.74 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 48.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:28,166 INFO L168 Benchmark]: Boogie Preprocessor took 13.09 ms. Allocated memory is still 65.0 MB. Free memory was 48.9 MB in the beginning and 47.9 MB in the end (delta: 981.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:28,166 INFO L168 Benchmark]: RCFGBuilder took 245.89 ms. Allocated memory is still 65.0 MB. Free memory was 47.8 MB in the beginning and 35.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:28,167 INFO L168 Benchmark]: BuchiAutomizer took 2438.90 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 35.6 MB in the beginning and 44.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:28,167 INFO L168 Benchmark]: Witness Printer took 2.69 ms. Allocated memory is still 79.7 MB. Free memory is still 44.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:28,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 149.06 ms. Allocated memory is still 52.4 MB. Free memory was 29.5 MB in the beginning and 33.6 MB in the end (delta: -4.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.74 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 48.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 13.09 ms. Allocated memory is still 65.0 MB. Free memory was 48.9 MB in the beginning and 47.9 MB in the end (delta: 981.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 245.89 ms. Allocated memory is still 65.0 MB. Free memory was 47.8 MB in the beginning and 35.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2438.90 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 35.6 MB in the beginning and 44.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Witness Printer took 2.69 ms. Allocated memory is still 79.7 MB. Free memory is still 44.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[x][x] + 199 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital194 mio100 ax100 hnf100 lsp93 ukn65 mio100 lsp28 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-07-06 19:32:28,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...