./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 00af3b6676c9262f2d1d8ee1ad0dddc75df98c14 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 01:34:21,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:34:21,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:34:21,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:34:21,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:34:21,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:34:21,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:34:21,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:34:21,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:34:21,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:34:21,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:34:21,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:34:21,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:34:21,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:34:21,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:34:21,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:34:21,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:34:21,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:34:21,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:34:21,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:34:21,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:34:21,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:34:21,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:34:21,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:34:21,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:34:21,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:34:21,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:34:21,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:34:21,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:34:21,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:34:21,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:34:21,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:34:21,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:34:21,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:34:21,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:34:21,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:34:21,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:34:21,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:34:21,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:34:21,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:34:21,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:34:21,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:34:21,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:34:21,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:34:21,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:34:21,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:34:21,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:34:21,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:34:21,602 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:34:21,602 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:34:21,602 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:34:21,602 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:34:21,602 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:34:21,602 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:34:21,602 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:34:21,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:34:21,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:34:21,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:34:21,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:34:21,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:34:21,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:34:21,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:34:21,604 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:34:21,604 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00af3b6676c9262f2d1d8ee1ad0dddc75df98c14 [2021-08-31 01:34:21,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:34:21,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:34:21,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:34:21,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:34:21,862 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:34:21,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2021-08-31 01:34:21,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a49185b/b1d0ab6c238845999a12485aa33eddb3/FLAG4bda9b3a1 [2021-08-31 01:34:22,309 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:34:22,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2021-08-31 01:34:22,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a49185b/b1d0ab6c238845999a12485aa33eddb3/FLAG4bda9b3a1 [2021-08-31 01:34:22,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a49185b/b1d0ab6c238845999a12485aa33eddb3 [2021-08-31 01:34:22,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:34:22,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:34:22,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:34:22,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:34:22,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:34:22,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea120bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22, skipping insertion in model container [2021-08-31 01:34:22,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:34:22,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:34:22,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:34:22,655 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:34:22,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:34:22,737 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:34:22,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22 WrapperNode [2021-08-31 01:34:22,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:34:22,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:34:22,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:34:22,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:34:22,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:34:22,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:34:22,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:34:22,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:34:22,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:34:22,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:34:22,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:34:22,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:34:22,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (1/1) ... [2021-08-31 01:34:22,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:22,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:22,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:22,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 01:34:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 01:34:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 01:34:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 01:34:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 01:34:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:34:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:34:23,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:34:23,221 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-31 01:34:23,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:34:23 BoogieIcfgContainer [2021-08-31 01:34:23,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:34:23,225 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:34:23,225 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:34:23,227 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:34:23,227 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:34:23,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:34:22" (1/3) ... [2021-08-31 01:34:23,228 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cdd2f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:34:23, skipping insertion in model container [2021-08-31 01:34:23,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:34:23,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:22" (2/3) ... [2021-08-31 01:34:23,229 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cdd2f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:34:23, skipping insertion in model container [2021-08-31 01:34:23,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:34:23,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:34:23" (3/3) ... [2021-08-31 01:34:23,230 INFO L389 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-alloca.i [2021-08-31 01:34:23,282 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:34:23,282 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:34:23,283 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:34:23,283 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:34:23,283 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:34:23,283 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:34:23,283 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:34:23,283 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:34:23,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2021-08-31 01:34:23,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:23,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:23,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:23,307 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 01:34:23,307 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:34:23,308 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:34:23,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2021-08-31 01:34:23,310 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:23,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:23,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:23,310 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 01:34:23,310 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:34:23,314 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 4#L553true assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 11#L558-4true [2021-08-31 01:34:23,315 INFO L793 eck$LassoCheckResult]: Loop: 11#L558-4true call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 6#L558true assume !main_#t~short10; 8#L558-2true assume !!main_#t~short10;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 11#L558-4true [2021-08-31 01:34:23,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:23,318 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-08-31 01:34:23,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:23,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716921598] [2021-08-31 01:34:23,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:23,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:23,423 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:23,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:23,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:23,480 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2021-08-31 01:34:23,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:23,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149069594] [2021-08-31 01:34:23,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:23,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:34:23,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:34:23,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149069594] [2021-08-31 01:34:23,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149069594] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:34:23,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:34:23,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 01:34:23,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717055063] [2021-08-31 01:34:23,561 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 01:34:23,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:34:23,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 01:34:23,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 01:34:23,581 INFO L87 Difference]: Start difference. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:23,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:34:23,617 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-08-31 01:34:23,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 01:34:23,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-08-31 01:34:23,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:23,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 6 states and 7 transitions. [2021-08-31 01:34:23,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-08-31 01:34:23,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-08-31 01:34:23,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2021-08-31 01:34:23,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:34:23,626 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-08-31 01:34:23,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2021-08-31 01:34:23,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-08-31 01:34:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-08-31 01:34:23,641 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-08-31 01:34:23,641 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-08-31 01:34:23,641 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:34:23,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2021-08-31 01:34:23,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:23,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:23,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:23,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 01:34:23,642 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:34:23,642 INFO L791 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 33#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 30#L553 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 31#L558-4 [2021-08-31 01:34:23,642 INFO L793 eck$LassoCheckResult]: Loop: 31#L558-4 call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 34#L558 assume main_#t~short10;call main_#t~mem9 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short10 := main_#t~mem9 < 100; 35#L558-2 assume !!main_#t~short10;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 31#L558-4 [2021-08-31 01:34:23,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:23,643 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-08-31 01:34:23,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:23,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295783030] [2021-08-31 01:34:23,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:23,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:23,656 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:23,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:23,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:23,670 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2021-08-31 01:34:23,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:23,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666841924] [2021-08-31 01:34:23,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:23,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:23,688 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:23,721 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:23,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:23,721 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2021-08-31 01:34:23,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:23,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584864829] [2021-08-31 01:34:23,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:23,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:23,764 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:23,795 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:24,627 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:34:24,628 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:34:24,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:34:24,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:34:24,628 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:34:24,628 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:24,629 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:34:24,629 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:34:24,629 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration2_Lasso [2021-08-31 01:34:24,629 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:34:24,629 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:34:24,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:24,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:25,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:25,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:25,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:25,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:25,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:25,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:25,292 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:34:25,296 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:34:25,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:25,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:25,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:25,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 01:34:25,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:25,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 01:34:25,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:25,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:25,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:25,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-08-31 01:34:25,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 01:34:25,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:25,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:25,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,464 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 [2021-08-31 01:34:25,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 01:34:25,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:25,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:25,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:25,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,512 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 01:34:25,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:25,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:25,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,584 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 [2021-08-31 01:34:25,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,595 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 01:34:25,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:25,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:25,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:25,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:25,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,633 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:25,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 01:34:25,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:25,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:25,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:25,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,717 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:25,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 01:34:25,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:25,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:25,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-08-31 01:34:25,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,778 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 01:34:25,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:25,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:25,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:25,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:25,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,831 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 01:34:25,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:25,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:25,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:25,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,868 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 [2021-08-31 01:34:25,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,869 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 01:34:25,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:25,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:25,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,922 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 [2021-08-31 01:34:25,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,923 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 01:34:25,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:25,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:25,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:25,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:25,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:25,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:25,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:25,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:25,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:25,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:25,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:25,989 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:25,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-31 01:34:25,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:26,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:26,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:26,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:26,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:26,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:26,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:26,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:26,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:26,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:26,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:26,032 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:26,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-31 01:34:26,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:26,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:26,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:26,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:26,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:26,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:26,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:26,059 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:34:26,066 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-08-31 01:34:26,066 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-08-31 01:34:26,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:26,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:26,068 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:26,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-31 01:34:26,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:34:26,091 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 01:34:26,091 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:34:26,092 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1 + 199 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 - 1 >= 0] [2021-08-31 01:34:26,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:26,205 INFO L297 tatePredicateManager]: 37 out of 40 supporting invariants were superfluous and have been removed [2021-08-31 01:34:26,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:26,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-31 01:34:26,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:34:26,290 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-31 01:34:26,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-08-31 01:34:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:26,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-31 01:34:26,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:34:26,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:34:26,411 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 01:34:26,411 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:26,456 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 12 states and 14 transitions. Complement of second has 7 states. [2021-08-31 01:34:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 01:34:26,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2021-08-31 01:34:26,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 3 letters. [2021-08-31 01:34:26,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:26,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. [2021-08-31 01:34:26,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:26,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. [2021-08-31 01:34:26,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:26,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-08-31 01:34:26,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:26,461 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2021-08-31 01:34:26,461 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-08-31 01:34:26,461 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-08-31 01:34:26,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2021-08-31 01:34:26,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:34:26,461 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-08-31 01:34:26,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2021-08-31 01:34:26,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-08-31 01:34:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-08-31 01:34:26,462 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-08-31 01:34:26,462 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-08-31 01:34:26,462 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:34:26,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2021-08-31 01:34:26,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:34:26,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:26,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:26,463 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 01:34:26,463 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:34:26,463 INFO L791 eck$LassoCheckResult]: Stem: 259#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 260#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 257#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 258#L558-4 [2021-08-31 01:34:26,464 INFO L793 eck$LassoCheckResult]: Loop: 258#L558-4 call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 261#L558 assume main_#t~short10;call main_#t~mem9 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short10 := main_#t~mem9 < 100; 262#L558-2 assume !!main_#t~short10;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 258#L558-4 [2021-08-31 01:34:26,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:26,464 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-08-31 01:34:26,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:26,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633964479] [2021-08-31 01:34:26,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:26,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:26,474 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:26,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:26,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:26,483 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 2 times [2021-08-31 01:34:26,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:26,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721824285] [2021-08-31 01:34:26,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:26,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:26,494 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:26,504 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:26,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:26,505 INFO L82 PathProgramCache]: Analyzing trace with hash 889511698, now seen corresponding path program 1 times [2021-08-31 01:34:26,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:26,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405677783] [2021-08-31 01:34:26,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:26,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:26,519 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:26,535 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:27,171 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:34:27,171 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:34:27,171 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:34:27,171 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:34:27,171 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:34:27,172 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:27,172 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:34:27,172 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:34:27,172 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration3_Lasso [2021-08-31 01:34:27,172 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:34:27,172 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:34:27,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:34:27,804 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:34:27,804 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:34:27,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:27,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:27,809 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:27,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-31 01:34:27,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:27,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:27,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:27,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:27,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:27,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:27,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:27,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:27,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:27,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:27,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:27,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:27,837 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:27,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-31 01:34:27,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:27,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:27,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:27,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:27,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:27,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:27,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:27,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:27,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:27,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:27,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:27,862 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:27,863 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 [2021-08-31 01:34:27,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:27,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:27,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:27,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:27,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:27,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:27,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:27,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:27,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:27,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:27,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:27,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:27,891 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:27,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-31 01:34:27,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:27,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:27,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:27,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:27,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:27,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:27,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:27,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:27,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:27,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:27,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:27,964 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:27,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-31 01:34:27,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:27,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:27,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:27,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:27,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:27,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:27,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:27,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:27,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:28,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:28,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:28,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:28,002 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:28,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-31 01:34:28,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:28,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:28,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:28,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:28,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:28,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:28,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:28,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:28,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:28,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:28,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:28,058 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:28,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:28,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:28,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:28,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:28,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:28,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:28,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:28,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:28,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-31 01:34:28,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:28,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:28,106 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:28,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-31 01:34:28,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:28,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:28,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:28,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:28,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:28,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:28,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:28,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:28,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:28,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:28,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:28,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:28,145 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:28,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:28,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:28,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:28,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:28,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:28,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:28,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:28,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:28,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-31 01:34:28,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:28,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:28,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:28,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:28,186 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:28,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-31 01:34:28,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:28,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:28,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:28,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:28,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:28,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:28,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:28,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:28,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:28,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:28,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:28,212 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:28,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-31 01:34:28,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:28,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:28,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:28,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:28,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:28,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:28,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:28,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:28,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:28,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:28,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:28,255 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:28,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-31 01:34:28,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:34:28,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:28,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:28,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:28,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:28,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:28,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:28,280 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:34:28,292 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-08-31 01:34:28,292 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-08-31 01:34:28,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:28,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:28,301 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:34:28,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-31 01:34:28,346 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:34:28,363 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 01:34:28,364 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:34:28,364 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2 + 199 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 - 1 >= 0] [2021-08-31 01:34:28,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:28,465 INFO L297 tatePredicateManager]: 37 out of 40 supporting invariants were superfluous and have been removed [2021-08-31 01:34:28,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:28,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-31 01:34:28,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:34:28,507 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-31 01:34:28,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-08-31 01:34:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:28,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-31 01:34:28,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:34:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:34:28,596 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-08-31 01:34:28,596 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:28,629 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 9 states and 10 transitions. Complement of second has 7 states. [2021-08-31 01:34:28,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 01:34:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:34:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2021-08-31 01:34:28,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2021-08-31 01:34:28,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:28,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2021-08-31 01:34:28,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:28,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2021-08-31 01:34:28,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:34:28,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-08-31 01:34:28,631 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:34:28,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2021-08-31 01:34:28,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 01:34:28,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 01:34:28,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 01:34:28,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:34:28,631 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:34:28,632 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:34:28,632 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:34:28,632 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 01:34:28,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 01:34:28,632 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:34:28,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 01:34:28,634 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 01:34:28,636 INFO L158 Benchmark]: Toolchain (without parser) took 6296.96ms. Allocated memory was 65.0MB in the beginning and 134.2MB in the end (delta: 69.2MB). Free memory was 44.9MB in the beginning and 64.1MB in the end (delta: -19.2MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2021-08-31 01:34:28,636 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:34:28,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.56ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 43.2MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 01:34:28,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.11ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 41.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:34:28,637 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 40.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:34:28,637 INFO L158 Benchmark]: RCFGBuilder took 361.92ms. Allocated memory is still 65.0MB. Free memory was 40.2MB in the beginning and 30.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 01:34:28,638 INFO L158 Benchmark]: BuchiAutomizer took 5410.51ms. Allocated memory was 65.0MB in the beginning and 134.2MB in the end (delta: 69.2MB). Free memory was 30.2MB in the beginning and 64.1MB in the end (delta: -33.8MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2021-08-31 01:34:28,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.56ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 43.2MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.11ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 41.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 40.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.92ms. Allocated memory is still 65.0MB. Free memory was 40.2MB in the beginning and 30.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5410.51ms. Allocated memory was 65.0MB in the beginning and 134.2MB in the end (delta: 69.2MB). Free memory was 30.2MB in the beginning and 64.1MB in the end (delta: -33.8MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z][z] + 199 and consists of 5 locations. One deterministic module has affine ranking function 199 + -2 * unknown-#memory_int-unknown[y][y] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 01:34:28,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:28,869 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...