./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/c.08-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/c.08-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 501d9e8d97f8c48b9fe647a4be07ae5e36a9cecc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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: AssertionError: no settings was sufficient --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 01:35:40,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:35:40,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:35:40,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:35:40,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:35:40,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:35:40,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:35:40,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:35:40,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:35:40,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:35:40,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:35:40,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:35:40,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:35:40,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:35:40,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:35:40,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:35:40,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:35:40,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:35:40,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:35:40,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:35:40,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:35:40,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:35:40,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:35:40,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:35:40,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:35:40,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:35:40,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:35:40,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:35:40,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:35:40,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:35:40,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:35:40,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:35:40,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:35:40,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:35:40,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:35:40,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:35:40,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:35:40,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:35:40,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:35:40,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:35:40,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:35:40,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:35:40,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:35:40,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:35:40,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:35:40,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:35:40,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:35:40,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:35:40,667 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:35:40,667 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:35:40,667 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:35:40,667 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:35:40,668 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:35:40,668 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:35:40,668 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:35:40,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:35:40,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:35:40,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:35:40,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:35:40,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:35:40,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:35:40,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:35:40,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:35:40,669 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:35:40,669 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:35:40,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:35:40,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:35:40,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:35:40,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:35:40,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:35:40,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:35:40,670 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:35:40,670 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501d9e8d97f8c48b9fe647a4be07ae5e36a9cecc [2021-08-31 01:35:40,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:35:40,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:35:40,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:35:40,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:35:40,901 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:35:40,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i [2021-08-31 01:35:40,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0f827d8/f51b1c32755b40bd8b7c9dd8baf1fe5f/FLAGcb02012ee [2021-08-31 01:35:41,335 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:35:41,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i [2021-08-31 01:35:41,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0f827d8/f51b1c32755b40bd8b7c9dd8baf1fe5f/FLAGcb02012ee [2021-08-31 01:35:41,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0f827d8/f51b1c32755b40bd8b7c9dd8baf1fe5f [2021-08-31 01:35:41,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:35:41,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:35:41,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:35:41,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:35:41,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:35:41,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520317dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41, skipping insertion in model container [2021-08-31 01:35:41,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:35:41,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:35:41,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:35:41,599 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:35:41,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:35:41,641 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:35:41,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41 WrapperNode [2021-08-31 01:35:41,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:35:41,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:35:41,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:35:41,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:35:41,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:35:41,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:35:41,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:35:41,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:35:41,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:35:41,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:35:41,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:35:41,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:35:41,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (1/1) ... [2021-08-31 01:35:41,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:41,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:41,715 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 01:35:41,717 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 01:35:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 01:35:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 01:35:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 01:35:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 01:35:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:35:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:35:41,925 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:35:41,925 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-31 01:35:41,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:35:41 BoogieIcfgContainer [2021-08-31 01:35:41,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:35:41,927 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:35:41,927 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:35:41,929 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:35:41,930 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:35:41,930 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:35:41" (1/3) ... [2021-08-31 01:35:41,931 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66d9ca4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:35:41, skipping insertion in model container [2021-08-31 01:35:41,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:35:41,931 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:41" (2/3) ... [2021-08-31 01:35:41,931 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66d9ca4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:35:41, skipping insertion in model container [2021-08-31 01:35:41,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:35:41,931 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:35:41" (3/3) ... [2021-08-31 01:35:41,932 INFO L389 chiAutomizerObserver]: Analyzing ICFG c.08-alloca.i [2021-08-31 01:35:41,974 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:35:41,974 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:35:41,974 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:35:41,974 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:35:41,974 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:35:41,974 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:35:41,974 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:35:41,974 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:35:41,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 01:35:41,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 01:35:41,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:41,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:42,000 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 01:35:42,000 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:35:42,000 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:35:42,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 01:35:42,002 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 01:35:42,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:42,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:42,002 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 01:35:42,002 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:35:42,007 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~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~i, test_fun_#in~j := main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_#t~mem5, test_fun_#t~mem10, test_fun_~i, test_fun_~j, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~i := test_fun_#in~i;test_fun_~j := test_fun_#in~j;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~i, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_~j, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 6#L555-3true [2021-08-31 01:35:42,007 INFO L793 eck$LassoCheckResult]: Loop: 6#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4); 11#L555-1true assume !!(test_fun_#t~mem5 >= 0);havoc test_fun_#t~mem5;call write~int(0, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4); 10#L557-3true assume !true; 13#L557-4true call test_fun_#t~mem9 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);havoc test_fun_#t~mem9; 6#L555-3true [2021-08-31 01:35:42,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:42,011 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-31 01:35:42,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:42,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457556974] [2021-08-31 01:35:42,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:42,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:42,115 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:42,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:42,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:42,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2021-08-31 01:35:42,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:42,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120135752] [2021-08-31 01:35:42,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:42,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:42,228 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 01:35:42,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:42,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120135752] [2021-08-31 01:35:42,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120135752] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:35:42,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:35:42,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 01:35:42,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704307355] [2021-08-31 01:35:42,233 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 01:35:42,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:42,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-31 01:35:42,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-31 01:35:42,258 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:42,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:42,305 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-08-31 01:35:42,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 01:35:42,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2021-08-31 01:35:42,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 01:35:42,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2021-08-31 01:35:42,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-08-31 01:35:42,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-08-31 01:35:42,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2021-08-31 01:35:42,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:35:42,312 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-08-31 01:35:42,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2021-08-31 01:35:42,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-08-31 01:35:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:42,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2021-08-31 01:35:42,341 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-08-31 01:35:42,341 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-08-31 01:35:42,341 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:35:42,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2021-08-31 01:35:42,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 01:35:42,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:42,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:42,343 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 01:35:42,343 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 01:35:42,343 INFO L791 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 33#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~i, test_fun_#in~j := main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_#t~mem5, test_fun_#t~mem10, test_fun_~i, test_fun_~j, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~i := test_fun_#in~i;test_fun_~j := test_fun_#in~j;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~i, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_~j, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 34#L555-3 [2021-08-31 01:35:42,343 INFO L793 eck$LassoCheckResult]: Loop: 34#L555-3 call test_fun_#t~mem5 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4); 35#L555-1 assume !!(test_fun_#t~mem5 >= 0);havoc test_fun_#t~mem5;call write~int(0, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4); 36#L557-3 call test_fun_#t~mem7 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4); 37#L557-1 assume !(test_fun_#t~mem7 <= test_fun_#t~mem6 - 1);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 38#L557-4 call test_fun_#t~mem9 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);havoc test_fun_#t~mem9; 34#L555-3 [2021-08-31 01:35:42,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:42,344 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-08-31 01:35:42,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:42,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790595021] [2021-08-31 01:35:42,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:42,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:42,378 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:42,391 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:42,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:42,391 INFO L82 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2021-08-31 01:35:42,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:42,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545002820] [2021-08-31 01:35:42,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:42,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:42,422 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:42,428 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:42,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:42,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2021-08-31 01:35:42,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:42,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613528557] [2021-08-31 01:35:42,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:42,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:42,441 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:42,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:42,953 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:35:42,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:35:42,956 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:35:42,956 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:35:42,956 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:35:42,956 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:42,956 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:35:42,956 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:35:42,956 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration2_Lasso [2021-08-31 01:35:42,956 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:35:42,956 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:35:42,975 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 01:35:42,994 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 01:35:42,995 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 01:35:42,997 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 01:35:43,014 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 01:35:43,016 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 01:35:43,018 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 01:35:43,020 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 01:35:43,021 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 01:35:43,023 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 01:35:43,024 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 01:35:43,299 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 01:35:43,300 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 01:35:43,302 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 01:35:43,304 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 01:35:43,621 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:35:43,623 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:35:43,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,628 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 01:35:43,633 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 01:35:43,634 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 01:35:43,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:43,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:43,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:43,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:43,664 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 01:35:43,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,665 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 01:35:43,674 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 01:35:43,674 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 01:35:43,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:43,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:43,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:43,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:43,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:43,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,701 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 01:35:43,702 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 01:35:43,704 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 01:35:43,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:43,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:43,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:43,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:43,737 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 01:35:43,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,738 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 01:35:43,738 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 01:35:43,740 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 01:35:43,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:43,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:43,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:43,778 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 01:35:43,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,779 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 01:35:43,780 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 01:35:43,782 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 01:35:43,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:43,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:43,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:43,822 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 01:35:43,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,823 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 01:35:43,824 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 01:35:43,825 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 01:35:43,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:43,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:43,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:43,868 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 01:35:43,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,869 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 01:35:43,870 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 01:35:43,873 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 01:35:43,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:43,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:43,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:43,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:43,896 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 01:35:43,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,897 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 01:35:43,898 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 01:35:43,899 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 01:35:43,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:43,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:43,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:43,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:43,928 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 01:35:43,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,929 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 01:35:43,930 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 01:35:43,931 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 01:35:43,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:43,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:43,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:43,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:43,971 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 01:35:43,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:43,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:43,972 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 01:35:43,974 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 01:35:43,975 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 01:35:43,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:43,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:43,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:43,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:43,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:43,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:43,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:44,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:44,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:44,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:44,003 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 01:35:44,004 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 01:35:44,005 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 01:35:44,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:44,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:44,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:44,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:44,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:44,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:44,025 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:35:44,037 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-08-31 01:35:44,037 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-08-31 01:35:44,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:44,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:44,039 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 01:35:44,040 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 01:35:44,041 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:35:44,057 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:35:44,058 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:35:44,058 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0.base) ULTIMATE.start_test_fun_~i_ref~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0.base) ULTIMATE.start_test_fun_~i_ref~0.offset)_1 + 1 Supporting invariants [] [2021-08-31 01:35:44,076 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 01:35:44,164 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 01:35:44,168 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-08-31 01:35:44,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:44,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:35:44,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:44,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-31 01:35:44,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:44,274 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-08-31 01:35:44,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2021-08-31 01:35:44,386 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 01:35:44,388 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-08-31 01:35:44,388 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 01:35:44,420 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 20 transitions. Complement of second has 7 states. [2021-08-31 01:35:44,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 01:35:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 01:35:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2021-08-31 01:35:44,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 5 letters. [2021-08-31 01:35:44,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:44,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 7 letters. Loop has 5 letters. [2021-08-31 01:35:44,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:44,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 10 letters. [2021-08-31 01:35:44,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:44,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2021-08-31 01:35:44,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 01:35:44,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 19 transitions. [2021-08-31 01:35:44,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-08-31 01:35:44,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-31 01:35:44,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-08-31 01:35:44,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:44,425 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-08-31 01:35:44,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-08-31 01:35:44,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-08-31 01:35:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 01:35:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-08-31 01:35:44,426 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-08-31 01:35:44,426 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-08-31 01:35:44,426 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:35:44,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-08-31 01:35:44,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 01:35:44,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:44,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:44,427 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:35:44,427 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:35:44,428 INFO L791 eck$LassoCheckResult]: Stem: 184#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 185#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~i, test_fun_#in~j := main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_#t~mem5, test_fun_#t~mem10, test_fun_~i, test_fun_~j, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~i := test_fun_#in~i;test_fun_~j := test_fun_#in~j;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~i, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_~j, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 195#L555-3 call test_fun_#t~mem5 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4); 190#L555-1 assume !!(test_fun_#t~mem5 >= 0);havoc test_fun_#t~mem5;call write~int(0, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4); 191#L557-3 call test_fun_#t~mem7 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4); 192#L557-1 assume !!(test_fun_#t~mem7 <= test_fun_#t~mem6 - 1);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem8 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);havoc test_fun_#t~mem8; 196#L557-3 [2021-08-31 01:35:44,428 INFO L793 eck$LassoCheckResult]: Loop: 196#L557-3 call test_fun_#t~mem7 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4); 199#L557-1 assume !!(test_fun_#t~mem7 <= test_fun_#t~mem6 - 1);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem8 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);havoc test_fun_#t~mem8; 196#L557-3 [2021-08-31 01:35:44,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:44,428 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2021-08-31 01:35:44,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:44,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871490019] [2021-08-31 01:35:44,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:44,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:44,441 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:44,458 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:44,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:44,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2021-08-31 01:35:44,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:44,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971706170] [2021-08-31 01:35:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:44,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:44,468 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:44,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:44,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:44,475 INFO L82 PathProgramCache]: Analyzing trace with hash 179567346, now seen corresponding path program 2 times [2021-08-31 01:35:44,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:44,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617661320] [2021-08-31 01:35:44,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:44,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:44,501 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:44,523 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:45,143 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:35:45,143 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:35:45,143 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:35:45,143 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:35:45,143 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:35:45,143 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:45,143 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:35:45,144 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:35:45,144 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration3_Lasso [2021-08-31 01:35:45,144 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:35:45,144 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:35:45,151 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 01:35:45,154 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 01:35:45,155 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 01:35:45,157 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 01:35:45,158 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 01:35:45,160 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 01:35:45,162 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 01:35:45,163 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 01:35:45,164 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 01:35:45,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:35:45,427 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 01:35:45,432 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 01:35:45,434 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 01:35:45,436 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 01:35:45,438 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 01:35:45,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:35:45,723 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:35:45,723 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:35:45,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:45,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:45,724 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 01:35:45,727 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 01:35:45,729 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 01:35:45,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:45,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:45,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:45,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:45,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:45,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:45,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:45,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:45,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-08-31 01:35:45,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:45,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:45,769 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 01:35:45,770 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 01:35:45,771 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 01:35:45,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:45,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:45,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:45,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:45,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:45,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:45,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:45,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:45,818 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 01:35:45,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:45,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:45,819 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 01:35:45,821 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 01:35:45,821 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 01:35:45,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:45,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:45,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:45,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:45,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:45,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:45,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:45,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:45,845 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 01:35:45,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:45,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:45,846 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 01:35:45,849 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 01:35:45,850 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 01:35:45,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:45,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:45,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:45,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:45,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:45,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:45,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:45,883 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 01:35:45,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:45,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:45,884 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 01:35:45,891 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 01:35:45,891 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 01:35:45,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:45,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:45,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:45,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:45,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:45,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:45,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:45,928 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 01:35:45,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:45,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:45,929 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 01:35:45,930 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 01:35:45,931 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 01:35:45,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:45,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:45,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:45,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:45,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:45,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:45,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:45,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:45,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:45,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:45,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:45,956 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:35:45,963 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 01:35:45,968 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 01:35:45,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:45,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:45,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:45,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:45,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:45,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:45,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:45,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:45,985 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 01:35:45,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:45,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:45,986 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 01:35:45,987 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 01:35:45,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:35:45,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:45,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:45,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:45,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:45,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:45,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:45,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:45,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:46,012 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 01:35:46,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:46,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:46,013 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 01:35:46,013 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 01:35:46,014 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 01:35:46,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:46,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:46,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:46,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:46,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:46,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:46,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:46,040 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 01:35:46,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:46,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:46,049 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 01:35:46,053 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 01:35:46,053 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 01:35:46,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:46,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:46,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:46,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:46,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:46,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:46,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:46,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-31 01:35:46,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:46,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:46,079 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 01:35:46,079 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 01:35:46,081 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 01:35:46,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:46,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:46,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:46,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:46,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:46,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:46,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:46,112 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 01:35:46,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:46,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:46,113 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 01:35:46,114 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 01:35:46,115 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 01:35:46,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:46,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:46,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:46,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:46,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:46,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:46,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:46,151 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 01:35:46,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:46,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:46,151 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 01:35:46,152 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 01:35:46,153 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 01:35:46,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:46,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:46,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:46,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:46,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:46,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:46,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:46,198 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 01:35:46,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:46,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:46,199 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 01:35:46,199 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 01:35:46,200 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 01:35:46,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:46,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:46,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:46,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:46,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:46,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:46,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:46,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-08-31 01:35:46,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:46,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:46,236 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 01:35:46,240 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 01:35:46,241 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 01:35:46,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:46,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:46,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:46,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:46,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:46,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:46,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:46,284 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 01:35:46,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:46,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:46,285 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 01:35:46,286 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 01:35:46,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:35:46,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:46,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:46,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:46,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:46,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:46,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:46,314 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:35:46,325 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-08-31 01:35:46,325 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-08-31 01:35:46,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:46,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:46,329 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:35:46,363 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:35:46,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-31 01:35:46,393 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 01:35:46,393 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:35:46,394 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~i, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0.base) ULTIMATE.start_test_fun_~j_ref~0.offset)_2) = 1*ULTIMATE.start_test_fun_~i - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0.base) ULTIMATE.start_test_fun_~j_ref~0.offset)_2 Supporting invariants [1*ULTIMATE.start_test_fun_~i - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0.base) ULTIMATE.start_test_fun_~i_ref~0.offset)_2 >= 0] [2021-08-31 01:35:46,412 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 01:35:46,459 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-08-31 01:35:46,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:46,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-31 01:35:46,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:46,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:46,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-08-31 01:35:46,583 INFO L354 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2021-08-31 01:35:46,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 34 [2021-08-31 01:35:46,693 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-08-31 01:35:46,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2021-08-31 01:35:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:47,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-31 01:35:47,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:47,030 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 01:35:47,031 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-08-31 01:35:47,031 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:47,053 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 22 transitions. Complement of second has 3 states. [2021-08-31 01:35:47,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-08-31 01:35:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2021-08-31 01:35:47,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2021-08-31 01:35:47,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:47,055 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:35:47,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:47,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-31 01:35:47,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:47,118 INFO L354 Elim1Store]: treesize reduction 47, result has 42.0 percent of original size [2021-08-31 01:35:47,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 41 [2021-08-31 01:35:47,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-08-31 01:35:47,249 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-08-31 01:35:47,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2021-08-31 01:35:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:47,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-31 01:35:47,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:47,821 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 01:35:47,821 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2021-08-31 01:35:47,821 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:47,823 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 19 transitions. Complement of second has 2 states. [2021-08-31 01:35:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2021-08-31 01:35:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 0 transitions. [2021-08-31 01:35:47,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 0 transitions. Stem has 6 letters. Loop has 2 letters. [2021-08-31 01:35:47,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:47,825 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:35:47,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:47,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-31 01:35:47,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:47,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-08-31 01:35:47,883 INFO L354 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2021-08-31 01:35:47,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 34 [2021-08-31 01:35:47,957 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-08-31 01:35:47,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2021-08-31 01:35:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:48,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-31 01:35:48,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:48,289 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 01:35:48,289 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-08-31 01:35:48,290 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:48,311 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 22 transitions. Complement of second has 2 states. [2021-08-31 01:35:48,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-08-31 01:35:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 9 transitions. [2021-08-31 01:35:48,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 9 transitions. Stem has 6 letters. Loop has 2 letters. [2021-08-31 01:35:48,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:48,313 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:35:48,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:48,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-31 01:35:48,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:48,373 INFO L354 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2021-08-31 01:35:48,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 41 [2021-08-31 01:35:48,384 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-31 01:35:48,384 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 37 treesize of output 33 [2021-08-31 01:35:48,449 INFO L354 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2021-08-31 01:35:48,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 36 [2021-08-31 01:35:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:48,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-31 01:35:48,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:48,525 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 01:35:48,525 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-08-31 01:35:48,525 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:48,527 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 19 transitions. Complement of second has 2 states. [2021-08-31 01:35:48,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2021-08-31 01:35:48,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:48,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 0 transitions. [2021-08-31 01:35:48,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 0 transitions. Stem has 6 letters. Loop has 2 letters. [2021-08-31 01:35:48,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:48,528 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:35:48,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:48,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-31 01:35:48,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:48,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-08-31 01:35:48,588 INFO L354 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2021-08-31 01:35:48,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 34 [2021-08-31 01:35:48,677 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-08-31 01:35:48,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2021-08-31 01:35:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:49,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-31 01:35:49,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:49,254 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 01:35:49,255 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-08-31 01:35:49,255 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:49,332 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 103 transitions. Complement of second has 12 states 5 powerset states7 rank states. The highest rank that occured is 3 [2021-08-31 01:35:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-31 01:35:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-08-31 01:35:49,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2021-08-31 01:35:49,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:49,333 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:35:49,334 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) 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 01:35:49,336 INFO L158 Benchmark]: Toolchain (without parser) took 7970.09ms. Allocated memory was 54.5MB in the beginning and 119.5MB in the end (delta: 65.0MB). Free memory was 30.8MB in the beginning and 39.6MB in the end (delta: -8.8MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2021-08-31 01:35:49,336 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 54.5MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:35:49,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.95ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 30.6MB in the beginning and 54.4MB in the end (delta: -23.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-08-31 01:35:49,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.48ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 52.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:35:49,336 INFO L158 Benchmark]: Boogie Preprocessor took 24.04ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 51.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:35:49,336 INFO L158 Benchmark]: RCFGBuilder took 235.48ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 42.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 01:35:49,337 INFO L158 Benchmark]: BuchiAutomizer took 7408.00ms. Allocated memory was 75.5MB in the beginning and 119.5MB in the end (delta: 44.0MB). Free memory was 41.8MB in the beginning and 39.6MB in the end (delta: 2.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2021-08-31 01:35:49,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 54.5MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.95ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 30.6MB in the beginning and 54.4MB in the end (delta: -23.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.48ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 52.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.04ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 51.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 235.48ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 42.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7408.00ms. Allocated memory was 75.5MB in the beginning and 119.5MB in the end (delta: 44.0MB). Free memory was 41.8MB in the beginning and 39.6MB in the end (delta: 2.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 01:35:49,367 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...