./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/byte_add_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/byte_add_2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ce8ca4e0deac77c67f93865fe9306c44a834585 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:36:35,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:36:35,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:36:35,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:36:35,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:36:35,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:36:35,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:36:35,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:36:35,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:36:35,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:36:35,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:36:35,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:36:35,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:36:35,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:36:35,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:36:35,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:36:35,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:36:35,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:36:35,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:36:35,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:36:35,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:36:35,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:36:35,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:36:35,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:36:35,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:36:35,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:36:35,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:36:35,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:36:35,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:36:35,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:36:35,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:36:35,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:36:35,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:36:35,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:36:35,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:36:35,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:36:35,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:36:35,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:36:35,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:36:35,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:36:35,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:36:35,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 14:36:35,350 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:36:35,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:36:35,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:36:35,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:36:35,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:36:35,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:36:35,353 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:36:35,353 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:36:35,353 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:36:35,353 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:36:35,353 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:36:35,354 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:36:35,354 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:36:35,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:36:35,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 14:36:35,355 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:36:35,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:36:35,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 14:36:35,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:36:35,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:36:35,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:36:35,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:36:35,356 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 14:36:35,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:36:35,356 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:36:35,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:36:35,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:36:35,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:36:35,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:36:35,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:36:35,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:36:35,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:36:35,359 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:36:35,359 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce8ca4e0deac77c67f93865fe9306c44a834585 [2021-08-27 14:36:35,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:36:35,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:36:35,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:36:35,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:36:35,690 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:36:35,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-08-27 14:36:35,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a22ade2/569717c46dcd4142ad60ad0e9c867fc6/FLAGd765271fb [2021-08-27 14:36:36,240 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:36:36,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-08-27 14:36:36,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a22ade2/569717c46dcd4142ad60ad0e9c867fc6/FLAGd765271fb [2021-08-27 14:36:36,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a22ade2/569717c46dcd4142ad60ad0e9c867fc6 [2021-08-27 14:36:36,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:36:36,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:36:36,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:36:36,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:36:36,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:36:36,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0ad5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36, skipping insertion in model container [2021-08-27 14:36:36,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:36:36,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:36:36,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add_2-2.i[863,876] [2021-08-27 14:36:36,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:36:36,540 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:36:36,594 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add_2-2.i[863,876] [2021-08-27 14:36:36,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:36:36,638 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:36:36,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36 WrapperNode [2021-08-27 14:36:36,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:36:36,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:36:36,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:36:36,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:36:36,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:36:36,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:36:36,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:36:36,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:36:36,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:36:36,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:36:36,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:36:36,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:36:36,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (1/1) ... [2021-08-27 14:36:36,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:36,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:36,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:36,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 14:36:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 14:36:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 14:36:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:36:36,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:36:37,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:36:37,092 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-27 14:36:37,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:36:37 BoogieIcfgContainer [2021-08-27 14:36:37,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:36:37,094 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:36:37,094 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:36:37,097 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:36:37,098 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:36:37,098 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:36:36" (1/3) ... [2021-08-27 14:36:37,099 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f52742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:36:37, skipping insertion in model container [2021-08-27 14:36:37,099 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:36:37,099 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:36:36" (2/3) ... [2021-08-27 14:36:37,099 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f52742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:36:37, skipping insertion in model container [2021-08-27 14:36:37,099 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:36:37,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:36:37" (3/3) ... [2021-08-27 14:36:37,101 INFO L389 chiAutomizerObserver]: Analyzing ICFG byte_add_2-2.i [2021-08-27 14:36:37,136 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:36:37,136 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:36:37,137 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:36:37,137 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:36:37,137 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:36:37,137 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:36:37,137 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:36:37,137 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:36:37,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:37,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-08-27 14:36:37,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:37,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:37,171 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:36:37,171 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:37,171 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:36:37,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:37,176 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-08-27 14:36:37,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:37,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:37,177 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:36:37,178 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:37,183 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 11#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 6#L51true assume !(0 == mp_add_~a3~0 % 256); 14#L51-1true mp_add_~nb~0 := 4; 7#L61true assume !(0 == mp_add_~b3~0 % 256); 17#L61-1true mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 12#L72-2true [2021-08-27 14:36:37,184 INFO L793 eck$LassoCheckResult]: Loop: 12#L72-2true assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34#L75true assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 36#L75-1true assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 27#L81true assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 13#L87-1true assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 9#L91-1true assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 10#L92-1true assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 19#L93-1true assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 16#L94-1true mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12#L72-2true [2021-08-27 14:36:37,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:37,188 INFO L82 PathProgramCache]: Analyzing trace with hash 889938151, now seen corresponding path program 1 times [2021-08-27 14:36:37,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:37,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749258743] [2021-08-27 14:36:37,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:37,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:37,392 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:37,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:37,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:37,475 INFO L82 PathProgramCache]: Analyzing trace with hash 318197182, now seen corresponding path program 1 times [2021-08-27 14:36:37,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:37,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103057912] [2021-08-27 14:36:37,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:37,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:37,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:37,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103057912] [2021-08-27 14:36:37,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103057912] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:37,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:37,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 14:36:37,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323416055] [2021-08-27 14:36:37,539 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:37,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:37,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 14:36:37,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 14:36:37,553 INFO L87 Difference]: Start difference. First operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:37,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:37,752 INFO L93 Difference]: Finished difference Result 64 states and 94 transitions. [2021-08-27 14:36:37,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 14:36:37,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 94 transitions. [2021-08-27 14:36:37,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-08-27 14:36:37,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 56 states and 86 transitions. [2021-08-27 14:36:37,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-08-27 14:36:37,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2021-08-27 14:36:37,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 86 transitions. [2021-08-27 14:36:37,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:37,783 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 86 transitions. [2021-08-27 14:36:37,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 86 transitions. [2021-08-27 14:36:37,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2021-08-27 14:36:37,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 53 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 84 transitions. [2021-08-27 14:36:37,813 INFO L704 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-08-27 14:36:37,814 INFO L587 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-08-27 14:36:37,814 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:36:37,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 84 transitions. [2021-08-27 14:36:37,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-08-27 14:36:37,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:37,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:37,820 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:37,820 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:37,820 INFO L791 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 124#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 114#L51 assume !(0 == mp_add_~a3~0 % 256); 115#L51-1 mp_add_~nb~0 := 4; 117#L61 assume !(0 == mp_add_~b3~0 % 256); 118#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 125#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 126#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 146#L75-1 [2021-08-27 14:36:37,821 INFO L793 eck$LassoCheckResult]: Loop: 146#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 140#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 128#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 121#L91-1 assume !(1 == mp_add_~i~0 % 256); 122#L92-1 assume !(2 == mp_add_~i~0 % 256); 123#L93-1 assume !(3 == mp_add_~i~0 % 256); 131#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 132#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 158#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 159#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 151#L76-2 assume !(1 == mp_add_~i~0 % 256); 160#L77-1 assume !(2 == mp_add_~i~0 % 256); 145#L78-1 assume !(3 == mp_add_~i~0 % 256); 146#L75-1 [2021-08-27 14:36:37,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:37,824 INFO L82 PathProgramCache]: Analyzing trace with hash 532072804, now seen corresponding path program 1 times [2021-08-27 14:36:37,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:37,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426101314] [2021-08-27 14:36:37,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:37,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:38,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:38,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426101314] [2021-08-27 14:36:38,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426101314] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:38,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:38,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:36:38,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644187917] [2021-08-27 14:36:38,005 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:36:38,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:38,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 1 times [2021-08-27 14:36:38,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:38,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645596577] [2021-08-27 14:36:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:38,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:38,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:38,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645596577] [2021-08-27 14:36:38,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645596577] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:38,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:38,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:36:38,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105103361] [2021-08-27 14:36:38,094 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:38,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:38,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 14:36:38,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-27 14:36:38,095 INFO L87 Difference]: Start difference. First operand 54 states and 84 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 2.0) 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) [2021-08-27 14:36:38,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:38,390 INFO L93 Difference]: Finished difference Result 149 states and 228 transitions. [2021-08-27 14:36:38,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 14:36:38,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 228 transitions. [2021-08-27 14:36:38,398 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 108 [2021-08-27 14:36:38,403 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 149 states and 228 transitions. [2021-08-27 14:36:38,403 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2021-08-27 14:36:38,404 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2021-08-27 14:36:38,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 228 transitions. [2021-08-27 14:36:38,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:38,407 INFO L681 BuchiCegarLoop]: Abstraction has 149 states and 228 transitions. [2021-08-27 14:36:38,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 228 transitions. [2021-08-27 14:36:38,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 78. [2021-08-27 14:36:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 77 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 113 transitions. [2021-08-27 14:36:38,425 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 113 transitions. [2021-08-27 14:36:38,425 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 113 transitions. [2021-08-27 14:36:38,425 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 14:36:38,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 113 transitions. [2021-08-27 14:36:38,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-08-27 14:36:38,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:38,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:38,428 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:38,428 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:38,429 INFO L791 eck$LassoCheckResult]: Stem: 351#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 341#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 332#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 334#L53 assume !(0 == mp_add_~a2~0 % 256); 368#L51-1 mp_add_~nb~0 := 4; 335#L61 assume !(0 == mp_add_~b3~0 % 256); 336#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 378#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 379#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 400#L75-1 [2021-08-27 14:36:38,429 INFO L793 eck$LassoCheckResult]: Loop: 400#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 366#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 342#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 329#L91-1 assume !(1 == mp_add_~i~0 % 256); 330#L92-1 assume !(2 == mp_add_~i~0 % 256); 331#L93-1 assume !(3 == mp_add_~i~0 % 256); 346#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 347#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 376#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 369#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 352#L76-2 assume !(1 == mp_add_~i~0 % 256); 353#L77-1 assume !(2 == mp_add_~i~0 % 256); 354#L78-1 assume !(3 == mp_add_~i~0 % 256); 400#L75-1 [2021-08-27 14:36:38,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:38,429 INFO L82 PathProgramCache]: Analyzing trace with hash -384676570, now seen corresponding path program 1 times [2021-08-27 14:36:38,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:38,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8776956] [2021-08-27 14:36:38,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:38,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:38,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:38,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8776956] [2021-08-27 14:36:38,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8776956] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:38,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:38,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 14:36:38,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613813881] [2021-08-27 14:36:38,596 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:36:38,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:38,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 2 times [2021-08-27 14:36:38,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:38,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098723431] [2021-08-27 14:36:38,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:38,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:38,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:38,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098723431] [2021-08-27 14:36:38,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098723431] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:38,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:38,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:36:38,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874587961] [2021-08-27 14:36:38,662 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:38,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:38,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 14:36:38,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-27 14:36:38,664 INFO L87 Difference]: Start difference. First operand 78 states and 113 transitions. cyclomatic complexity: 37 Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:39,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:39,094 INFO L93 Difference]: Finished difference Result 226 states and 344 transitions. [2021-08-27 14:36:39,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 14:36:39,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 344 transitions. [2021-08-27 14:36:39,097 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 161 [2021-08-27 14:36:39,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 226 states and 344 transitions. [2021-08-27 14:36:39,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 226 [2021-08-27 14:36:39,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 226 [2021-08-27 14:36:39,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 226 states and 344 transitions. [2021-08-27 14:36:39,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:39,100 INFO L681 BuchiCegarLoop]: Abstraction has 226 states and 344 transitions. [2021-08-27 14:36:39,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states and 344 transitions. [2021-08-27 14:36:39,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 78. [2021-08-27 14:36:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 77 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 113 transitions. [2021-08-27 14:36:39,105 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 113 transitions. [2021-08-27 14:36:39,105 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 113 transitions. [2021-08-27 14:36:39,105 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 14:36:39,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 113 transitions. [2021-08-27 14:36:39,106 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-08-27 14:36:39,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:39,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:39,107 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:39,107 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:39,107 INFO L791 eck$LassoCheckResult]: Stem: 669#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 662#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 653#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 655#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 684#L55 assume !(0 == mp_add_~a1~0 % 256); 685#L51-1 mp_add_~nb~0 := 4; 702#L61 assume !(0 == mp_add_~b3~0 % 256); 699#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 697#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 698#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 717#L75-1 [2021-08-27 14:36:39,108 INFO L793 eck$LassoCheckResult]: Loop: 717#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 715#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 709#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 708#L91-1 assume !(1 == mp_add_~i~0 % 256); 707#L92-1 assume !(2 == mp_add_~i~0 % 256); 705#L93-1 assume !(3 == mp_add_~i~0 % 256); 703#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 694#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 695#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 686#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 672#L76-2 assume !(1 == mp_add_~i~0 % 256); 673#L77-1 assume !(2 == mp_add_~i~0 % 256); 726#L78-1 assume !(3 == mp_add_~i~0 % 256); 717#L75-1 [2021-08-27 14:36:39,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:39,108 INFO L82 PathProgramCache]: Analyzing trace with hash -2089936051, now seen corresponding path program 1 times [2021-08-27 14:36:39,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:39,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870521860] [2021-08-27 14:36:39,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:39,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:39,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:39,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870521860] [2021-08-27 14:36:39,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870521860] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:39,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:39,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-27 14:36:39,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600451009] [2021-08-27 14:36:39,289 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:36:39,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:39,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 3 times [2021-08-27 14:36:39,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:39,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547245301] [2021-08-27 14:36:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:39,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:39,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:39,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547245301] [2021-08-27 14:36:39,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547245301] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:39,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:39,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:36:39,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382567110] [2021-08-27 14:36:39,361 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:39,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:39,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 14:36:39,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-27 14:36:39,362 INFO L87 Difference]: Start difference. First operand 78 states and 113 transitions. cyclomatic complexity: 37 Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:40,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:40,186 INFO L93 Difference]: Finished difference Result 318 states and 453 transitions. [2021-08-27 14:36:40,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-27 14:36:40,187 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 453 transitions. [2021-08-27 14:36:40,190 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 195 [2021-08-27 14:36:40,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 453 transitions. [2021-08-27 14:36:40,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2021-08-27 14:36:40,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2021-08-27 14:36:40,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 453 transitions. [2021-08-27 14:36:40,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:40,193 INFO L681 BuchiCegarLoop]: Abstraction has 318 states and 453 transitions. [2021-08-27 14:36:40,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 453 transitions. [2021-08-27 14:36:40,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 85. [2021-08-27 14:36:40,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 84 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2021-08-27 14:36:40,199 INFO L704 BuchiCegarLoop]: Abstraction has 85 states and 123 transitions. [2021-08-27 14:36:40,199 INFO L587 BuchiCegarLoop]: Abstraction has 85 states and 123 transitions. [2021-08-27 14:36:40,199 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 14:36:40,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 123 transitions. [2021-08-27 14:36:40,200 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-08-27 14:36:40,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:40,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:40,201 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:40,201 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:40,201 INFO L791 eck$LassoCheckResult]: Stem: 1098#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 1087#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1080#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1082#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1111#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1112#L51-1 mp_add_~nb~0 := 4; 1129#L61 assume !(0 == mp_add_~b3~0 % 256); 1126#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1124#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1125#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 1107#L75-1 [2021-08-27 14:36:40,201 INFO L793 eck$LassoCheckResult]: Loop: 1107#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1104#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 1090#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 1077#L91-1 assume !(1 == mp_add_~i~0 % 256); 1078#L92-1 assume !(2 == mp_add_~i~0 % 256); 1079#L93-1 assume !(3 == mp_add_~i~0 % 256); 1096#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1121#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1122#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1116#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1103#L76-2 assume !(1 == mp_add_~i~0 % 256); 1099#L77-1 assume !(2 == mp_add_~i~0 % 256); 1100#L78-1 assume !(3 == mp_add_~i~0 % 256); 1107#L75-1 [2021-08-27 14:36:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:40,202 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194353, now seen corresponding path program 1 times [2021-08-27 14:36:40,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:40,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113238945] [2021-08-27 14:36:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:40,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:40,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:40,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113238945] [2021-08-27 14:36:40,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113238945] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:40,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:40,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-27 14:36:40,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223457640] [2021-08-27 14:36:40,301 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:36:40,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:40,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 4 times [2021-08-27 14:36:40,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:40,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611799696] [2021-08-27 14:36:40,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:40,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:40,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:40,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611799696] [2021-08-27 14:36:40,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611799696] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:40,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:40,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:36:40,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687500074] [2021-08-27 14:36:40,344 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:40,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:40,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 14:36:40,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-27 14:36:40,346 INFO L87 Difference]: Start difference. First operand 85 states and 123 transitions. cyclomatic complexity: 40 Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:41,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:41,341 INFO L93 Difference]: Finished difference Result 293 states and 422 transitions. [2021-08-27 14:36:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-27 14:36:41,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 293 states and 422 transitions. [2021-08-27 14:36:41,344 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 194 [2021-08-27 14:36:41,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 293 states to 293 states and 422 transitions. [2021-08-27 14:36:41,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 293 [2021-08-27 14:36:41,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 293 [2021-08-27 14:36:41,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 293 states and 422 transitions. [2021-08-27 14:36:41,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:41,347 INFO L681 BuchiCegarLoop]: Abstraction has 293 states and 422 transitions. [2021-08-27 14:36:41,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states and 422 transitions. [2021-08-27 14:36:41,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 246. [2021-08-27 14:36:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 246 states have (on average 1.4593495934959348) internal successors, (359), 245 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 359 transitions. [2021-08-27 14:36:41,355 INFO L704 BuchiCegarLoop]: Abstraction has 246 states and 359 transitions. [2021-08-27 14:36:41,356 INFO L587 BuchiCegarLoop]: Abstraction has 246 states and 359 transitions. [2021-08-27 14:36:41,356 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 14:36:41,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 359 transitions. [2021-08-27 14:36:41,357 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 162 [2021-08-27 14:36:41,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:41,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:41,358 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:41,358 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:41,358 INFO L791 eck$LassoCheckResult]: Stem: 1505#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 1494#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1484#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1486#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1520#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1521#L51-1 mp_add_~nb~0 := 4; 1487#L61 assume !(0 == mp_add_~b3~0 % 256); 1488#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1495#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1496#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1523#L76 [2021-08-27 14:36:41,358 INFO L793 eck$LassoCheckResult]: Loop: 1523#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1506#L76-2 assume !(1 == mp_add_~i~0 % 256); 1507#L77-1 assume !(2 == mp_add_~i~0 % 256); 1508#L78-1 assume !(3 == mp_add_~i~0 % 256); 1513#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1512#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 1497#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 1491#L91-1 assume !(1 == mp_add_~i~0 % 256); 1492#L92-1 assume !(2 == mp_add_~i~0 % 256); 1493#L93-1 assume !(3 == mp_add_~i~0 % 256); 1503#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1526#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1527#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1523#L76 [2021-08-27 14:36:41,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:41,359 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 1 times [2021-08-27 14:36:41,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:41,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372801912] [2021-08-27 14:36:41,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:41,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:41,371 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:41,385 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:41,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:41,386 INFO L82 PathProgramCache]: Analyzing trace with hash -135428754, now seen corresponding path program 5 times [2021-08-27 14:36:41,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:41,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12421295] [2021-08-27 14:36:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:41,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:41,392 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:41,397 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:41,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:41,398 INFO L82 PathProgramCache]: Analyzing trace with hash -578820102, now seen corresponding path program 1 times [2021-08-27 14:36:41,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:41,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434221920] [2021-08-27 14:36:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:41,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:41,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:41,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434221920] [2021-08-27 14:36:41,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434221920] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:41,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:41,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:36:41,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964333110] [2021-08-27 14:36:41,567 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:36:41,567 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:36:41,568 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:36:41,568 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:36:41,568 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:36:41,568 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:41,568 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:36:41,568 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:36:41,568 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration6_Loop [2021-08-27 14:36:41,569 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:36:41,569 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:36:41,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:41,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:41,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:41,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:41,836 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:36:41,836 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:36:41,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:41,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:41,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:41,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 14:36:41,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:36:41,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:36:41,867 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:36:41,867 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~r0~0=0} Honda state: {ULTIMATE.start_mp_add_~r0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:36:41,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:41,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:41,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:41,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:41,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 14:36:41,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:36:41,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:36:41,925 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:36:41,925 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:36:41,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:41,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:41,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:41,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:41,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:36:41,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:36:41,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 14:36:42,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-08-27 14:36:42,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:42,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:42,057 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:42,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 14:36:42,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:36:42,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:36:42,535 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:36:42,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-08-27 14:36:42,542 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:36:42,542 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:36:42,542 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:36:42,542 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:36:42,542 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:36:42,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:42,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:36:42,542 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:36:42,542 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration6_Loop [2021-08-27 14:36:42,542 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:36:42,542 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:36:42,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:42,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:42,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:42,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:42,803 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:36:42,807 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:36:42,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:42,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:42,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:42,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:42,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:42,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:42,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:42,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:42,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:36:42,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:36:42,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:42,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 14:36:42,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:42,862 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 [2021-08-27 14:36:42,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:42,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:42,864 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:42,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 14:36:42,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:42,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:42,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:42,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:42,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:42,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:36:42,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:36:42,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:42,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:42,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:42,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:42,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:42,913 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:42,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 14:36:42,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:42,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:42,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:42,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:42,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:42,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:36:42,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:36:42,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:42,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:42,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:42,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:42,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:42,977 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:42,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 14:36:42,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:42,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:42,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:42,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:42,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:42,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:36:42,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:36:42,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,034 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 14:36:43,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,035 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 14:36:43,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,044 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:43,044 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:43,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,065 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 14:36:43,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,081 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:43,082 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:43,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,100 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 14:36:43,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,109 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:43,114 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:43,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,158 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 [2021-08-27 14:36:43,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,159 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 14:36:43,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,168 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:43,172 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:43,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,232 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 14:36:43,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,233 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 14:36:43,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,242 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:43,243 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:43,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,266 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,267 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 14:36:43,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:43,278 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:43,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,330 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 14:36:43,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,344 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:43,350 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:43,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-08-27 14:36:43,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,383 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 14:36:43,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,392 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:43,401 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:43,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,451 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 14:36:43,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,452 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 14:36:43,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,461 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:43,462 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:43,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,489 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 14:36:43,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,498 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:43,500 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:43,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-08-27 14:36:43,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,518 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 14:36:43,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,527 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:43,533 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:43,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,559 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-27 14:36:43,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:43,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,569 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:43,574 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:43,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,625 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 14:36:43,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,629 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-27 14:36:43,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,639 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:43,639 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:43,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,640 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:43,641 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:43,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,695 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-27 14:36:43,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,706 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:43,707 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:43,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,707 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:43,708 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:43,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,752 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-27 14:36:43,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:43,777 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:43,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,777 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:43,782 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:43,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:43,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,829 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 14:36:43,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,840 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:43,840 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:43,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,840 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:43,845 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:43,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,887 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 [2021-08-27 14:36:43,888 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 14:36:43,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,889 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-27 14:36:43,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,900 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:43,900 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:36:43,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,900 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:43,902 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:43,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:43,943 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 [2021-08-27 14:36:43,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:43,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:43,945 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:43,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-27 14:36:43,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:43,955 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:43,955 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:36:43,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:43,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:43,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:43,956 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:43,957 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:43,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:43,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:44,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,005 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-27 14:36:44,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,019 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:36:44,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,020 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:44,027 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:44,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,077 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 [2021-08-27 14:36:44,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,081 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,095 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,095 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:36:44,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,095 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:44,102 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:44,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-27 14:36:44,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,142 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 [2021-08-27 14:36:44,142 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 14:36:44,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,144 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 14:36:44,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,155 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,156 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:44,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,156 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:44,158 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:44,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,198 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 [2021-08-27 14:36:44,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,199 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 14:36:44,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,208 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:44,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,208 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:44,210 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:44,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:44,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,249 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,266 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,266 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:44,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,267 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:44,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 14:36:44,275 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:44,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:44,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,315 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 14:36:44,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,325 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,325 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:44,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,325 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:44,333 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:44,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:44,373 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 14:36:44,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,374 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 14:36:44,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,383 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:44,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,383 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:44,384 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:44,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:44,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,432 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-27 14:36:44,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,441 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:44,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,441 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:44,442 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:44,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:44,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,473 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-27 14:36:44,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,483 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,483 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:44,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,483 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:44,489 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:44,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-08-27 14:36:44,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,522 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-27 14:36:44,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,531 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,531 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:44,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,531 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:44,535 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:44,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-27 14:36:44,577 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 14:36:44,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,578 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-27 14:36:44,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,587 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,587 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:44,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,587 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:36:44,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:36:44,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 14:36:44,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,607 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-27 14:36:44,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,617 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,617 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:44,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,617 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:36:44,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:36:44,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-27 14:36:44,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,638 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,653 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,653 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:44,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,653 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:36:44,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 14:36:44,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:36:44,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-08-27 14:36:44,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:44,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:44,688 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:44,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 14:36:44,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:44,698 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:44,698 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:44,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:44,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:44,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:44,698 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:36:44,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:36:44,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:44,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:44,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-27 14:36:44,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:44,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 14:36:44,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 14:36:44,737 INFO L87 Difference]: Start difference. First operand 246 states and 359 transitions. cyclomatic complexity: 120 Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:44,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:44,897 INFO L93 Difference]: Finished difference Result 485 states and 689 transitions. [2021-08-27 14:36:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 14:36:44,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 485 states and 689 transitions. [2021-08-27 14:36:44,903 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 337 [2021-08-27 14:36:44,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 485 states to 485 states and 689 transitions. [2021-08-27 14:36:44,906 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 485 [2021-08-27 14:36:44,907 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 485 [2021-08-27 14:36:44,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 485 states and 689 transitions. [2021-08-27 14:36:44,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:44,908 INFO L681 BuchiCegarLoop]: Abstraction has 485 states and 689 transitions. [2021-08-27 14:36:44,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states and 689 transitions. [2021-08-27 14:36:44,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 443. [2021-08-27 14:36:44,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 443 states have (on average 1.4311512415349887) internal successors, (634), 442 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 634 transitions. [2021-08-27 14:36:44,934 INFO L704 BuchiCegarLoop]: Abstraction has 443 states and 634 transitions. [2021-08-27 14:36:44,934 INFO L587 BuchiCegarLoop]: Abstraction has 443 states and 634 transitions. [2021-08-27 14:36:44,934 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-27 14:36:44,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 443 states and 634 transitions. [2021-08-27 14:36:44,936 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 296 [2021-08-27 14:36:44,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:44,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:44,938 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:44,938 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:44,938 INFO L791 eck$LassoCheckResult]: Stem: 2250#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 2236#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 2227#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 2229#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 2267#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 2242#L51-1 mp_add_~nb~0 := 4; 2243#L61 assume !(0 == mp_add_~b3~0 % 256); 2544#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 2237#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2238#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2270#L76 [2021-08-27 14:36:44,943 INFO L793 eck$LassoCheckResult]: Loop: 2270#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 2272#L76-2 assume !(1 == mp_add_~i~0 % 256); 2624#L77-1 assume !(2 == mp_add_~i~0 % 256); 2623#L78-1 assume !(3 == mp_add_~i~0 % 256); 2622#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 2615#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 2614#L82-2 assume !(1 == mp_add_~i~0 % 256); 2610#L83-1 assume !(2 == mp_add_~i~0 % 256); 2609#L84-1 assume !(3 == mp_add_~i~0 % 256); 2608#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 2607#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 2605#L91-1 assume !(1 == mp_add_~i~0 % 256); 2606#L92-1 assume !(2 == mp_add_~i~0 % 256); 2578#L93-1 assume !(3 == mp_add_~i~0 % 256); 2577#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 2418#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2419#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2270#L76 [2021-08-27 14:36:44,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:44,943 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 2 times [2021-08-27 14:36:44,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:44,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476623494] [2021-08-27 14:36:44,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:44,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:44,963 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:44,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:44,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:44,990 INFO L82 PathProgramCache]: Analyzing trace with hash 113218786, now seen corresponding path program 1 times [2021-08-27 14:36:44,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:44,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012484734] [2021-08-27 14:36:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:44,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:44,998 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:45,007 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:45,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:45,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1074123118, now seen corresponding path program 1 times [2021-08-27 14:36:45,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:45,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113914721] [2021-08-27 14:36:45,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:45,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:45,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:45,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113914721] [2021-08-27 14:36:45,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113914721] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:36:45,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479947535] [2021-08-27 14:36:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:45,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:36:45,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:45,158 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:36:45,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-08-27 14:36:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:45,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 14:36:45,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:36:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:47,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479947535] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:47,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 14:36:47,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2021-08-27 14:36:47,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006567729] [2021-08-27 14:36:47,188 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:36:47,188 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:36:47,188 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:36:47,188 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:36:47,188 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:36:47,188 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:47,188 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:36:47,188 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:36:47,188 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration7_Loop [2021-08-27 14:36:47,188 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:36:47,188 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:36:47,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:47,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:47,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:47,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:47,508 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:36:47,508 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:36:47,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:47,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:47,515 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:47,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-27 14:36:47,518 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:36:47,518 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:36:47,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:47,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:47,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:47,585 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:47,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-27 14:36:47,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:36:47,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:36:48,666 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:36:48,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-08-27 14:36:48,671 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:36:48,671 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:36:48,671 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:36:48,672 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:36:48,672 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:36:48,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:48,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:36:48,672 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:36:48,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration7_Loop [2021-08-27 14:36:48,672 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:36:48,672 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:36:48,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:48,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:48,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:48,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:36:48,957 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:36:48,957 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:36:48,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:48,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:48,958 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:48,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-27 14:36:48,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:48,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:48,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:48,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:48,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:48,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:36:48,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:36:48,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:48,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:48,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-27 14:36:48,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:48,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:48,986 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:48,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-27 14:36:48,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:48,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:48,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:48,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:48,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:48,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:36:48,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:36:48,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-08-27 14:36:49,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,019 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-27 14:36:49,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:36:49,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:36:49,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,053 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-27 14:36:49,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:36:49,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:36:49,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-08-27 14:36:49,080 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 14:36:49,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,081 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-27 14:36:49,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,089 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:49,093 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:49,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-08-27 14:36:49,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,154 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-27 14:36:49,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,164 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:49,169 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:49,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,208 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-27 14:36:49,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,217 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:49,218 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:49,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,266 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-27 14:36:49,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,275 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:49,276 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:49,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,317 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 14:36:49,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,318 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,338 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:49,344 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:49,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-27 14:36:49,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,380 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,395 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:49,402 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:49,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-27 14:36:49,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,441 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-27 14:36:49,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,450 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:49,451 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:49,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,494 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,508 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:49,509 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:49,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-27 14:36:49,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-08-27 14:36:49,533 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 14:36:49,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,534 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-27 14:36:49,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,542 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:49,547 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:49,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-08-27 14:36:49,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,568 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-27 14:36:49,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,577 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:49,584 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:49,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-08-27 14:36:49,605 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,606 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-27 14:36:49,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,614 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:49,615 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:49,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-08-27 14:36:49,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,632 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-27 14:36:49,634 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 [2021-08-27 14:36:49,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:36:49,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,641 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:49,642 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:49,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-08-27 14:36:49,676 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 14:36:49,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,677 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-27 14:36:49,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,685 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:49,685 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:49,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,686 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:49,690 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:49,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,749 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-27 14:36:49,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,759 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:49,759 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:49,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,760 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:49,765 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:49,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,809 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-27 14:36:49,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,819 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:49,819 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:49,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,819 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:49,820 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:49,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,865 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-27 14:36:49,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,875 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:49,875 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:49,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,876 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:36:49,876 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:36:49,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,917 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 14:36:49,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,918 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,933 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:49,933 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:36:49,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,934 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:49,940 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:49,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:49,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-27 14:36:49,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:49,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:49,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:49,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:49,984 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:49,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-27 14:36:49,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:49,992 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:49,992 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:36:49,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:49,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:49,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:49,992 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:50,000 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:50,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-08-27 14:36:50,027 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,028 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-27 14:36:50,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,036 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,036 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:36:50,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,036 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:50,037 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:50,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-08-27 14:36:50,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,055 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-27 14:36:50,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,065 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,065 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:36:50,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,065 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:50,066 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:50,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:50,084 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 14:36:50,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,084 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-27 14:36:50,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,093 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,093 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:50,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,094 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:50,100 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:50,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-08-27 14:36:50,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,157 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-27 14:36:50,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,165 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,166 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:50,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,166 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:50,173 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:50,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:50,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,203 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-27 14:36:50,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,211 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,211 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:50,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,212 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:50,212 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:50,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-08-27 14:36:50,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,231 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-27 14:36:50,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,239 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,239 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:50,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,239 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:36:50,241 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:36:50,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-08-27 14:36:50,259 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 14:36:50,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,260 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-08-27 14:36:50,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,268 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,268 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:50,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,268 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:50,274 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:50,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:50,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,301 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-08-27 14:36:50,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,318 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,318 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:50,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,318 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:50,325 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:50,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:50,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,347 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-08-27 14:36:50,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,355 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,355 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:50,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,356 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:50,356 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:50,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:50,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,392 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-08-27 14:36:50,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,399 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,400 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:36:50,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,400 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:36:50,400 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:36:50,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-08-27 14:36:50,418 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 14:36:50,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,419 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-08-27 14:36:50,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,427 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,428 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:50,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,428 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:36:50,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:36:50,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:50,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,501 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-08-27 14:36:50,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,512 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:50,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,512 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:36:50,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:36:50,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:50,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,571 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,589 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,589 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:50,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,589 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:36:50,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:36:50,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-08-27 14:36:50,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:50,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:36:50,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:50,628 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:36:50,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-08-27 14:36:50,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:36:50,637 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:36:50,637 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:36:50,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:36:50,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:36:50,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:36:50,637 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:36:50,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:36:50,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:36:50,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:36:50,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-08-27 14:36:50,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:50,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 14:36:50,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-08-27 14:36:50,665 INFO L87 Difference]: Start difference. First operand 443 states and 634 transitions. cyclomatic complexity: 202 Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:53,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:53,077 INFO L93 Difference]: Finished difference Result 487 states and 688 transitions. [2021-08-27 14:36:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 14:36:53,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 487 states and 688 transitions. [2021-08-27 14:36:53,080 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 340 [2021-08-27 14:36:53,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 487 states to 487 states and 688 transitions. [2021-08-27 14:36:53,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 487 [2021-08-27 14:36:53,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 487 [2021-08-27 14:36:53,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 487 states and 688 transitions. [2021-08-27 14:36:53,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:53,084 INFO L681 BuchiCegarLoop]: Abstraction has 487 states and 688 transitions. [2021-08-27 14:36:53,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states and 688 transitions. [2021-08-27 14:36:53,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 484. [2021-08-27 14:36:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 484 states have (on average 1.415289256198347) internal successors, (685), 483 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 685 transitions. [2021-08-27 14:36:53,092 INFO L704 BuchiCegarLoop]: Abstraction has 484 states and 685 transitions. [2021-08-27 14:36:53,092 INFO L587 BuchiCegarLoop]: Abstraction has 484 states and 685 transitions. [2021-08-27 14:36:53,092 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-27 14:36:53,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 484 states and 685 transitions. [2021-08-27 14:36:53,095 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 337 [2021-08-27 14:36:53,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:53,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:53,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:53,096 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:53,096 INFO L791 eck$LassoCheckResult]: Stem: 3275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 3265#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 3255#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 3257#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 3288#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 3269#L51-1 mp_add_~nb~0 := 4; 3258#L61 assume !(0 == mp_add_~b3~0 % 256); 3259#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 3263#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3264#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3710#L76 [2021-08-27 14:36:53,096 INFO L793 eck$LassoCheckResult]: Loop: 3710#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3709#L76-2 assume !(1 == mp_add_~i~0 % 256); 3708#L77-1 assume !(2 == mp_add_~i~0 % 256); 3707#L78-1 assume !(3 == mp_add_~i~0 % 256); 3294#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 3295#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 3731#L82-2 assume !(1 == mp_add_~i~0 % 256); 3729#L83-1 assume !(2 == mp_add_~i~0 % 256); 3728#L84-1 assume !(3 == mp_add_~i~0 % 256); 3727#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 3726#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 3721#L91-1 assume !(1 == mp_add_~i~0 % 256); 3725#L92-1 assume !(2 == mp_add_~i~0 % 256); 3724#L93-1 assume !(3 == mp_add_~i~0 % 256); 3723#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3722#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3720#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 3718#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 3717#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 3716#L87-1 assume !(0 == mp_add_~i~0 % 256); 3715#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 3251#L92-1 assume !(2 == mp_add_~i~0 % 256); 3252#L93-1 assume !(3 == mp_add_~i~0 % 256); 3272#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3575#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3576#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3710#L76 [2021-08-27 14:36:53,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:53,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 3 times [2021-08-27 14:36:53,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:53,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658809423] [2021-08-27 14:36:53,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:53,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:53,106 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:53,117 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:53,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:53,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1270981275, now seen corresponding path program 1 times [2021-08-27 14:36:53,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:53,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425777422] [2021-08-27 14:36:53,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:53,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:53,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:53,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425777422] [2021-08-27 14:36:53,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425777422] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:53,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:53,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:36:53,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451754418] [2021-08-27 14:36:53,158 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:53,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:53,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 14:36:53,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 14:36:53,159 INFO L87 Difference]: Start difference. First operand 484 states and 685 transitions. cyclomatic complexity: 213 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:53,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:53,214 INFO L93 Difference]: Finished difference Result 839 states and 1233 transitions. [2021-08-27 14:36:53,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 14:36:53,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 839 states and 1233 transitions. [2021-08-27 14:36:53,220 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 692 [2021-08-27 14:36:53,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 839 states to 839 states and 1233 transitions. [2021-08-27 14:36:53,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 839 [2021-08-27 14:36:53,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 839 [2021-08-27 14:36:53,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 839 states and 1233 transitions. [2021-08-27 14:36:53,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:53,226 INFO L681 BuchiCegarLoop]: Abstraction has 839 states and 1233 transitions. [2021-08-27 14:36:53,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states and 1233 transitions. [2021-08-27 14:36:53,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 696. [2021-08-27 14:36:53,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 696 states have (on average 1.4669540229885059) internal successors, (1021), 695 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1021 transitions. [2021-08-27 14:36:53,238 INFO L704 BuchiCegarLoop]: Abstraction has 696 states and 1021 transitions. [2021-08-27 14:36:53,238 INFO L587 BuchiCegarLoop]: Abstraction has 696 states and 1021 transitions. [2021-08-27 14:36:53,239 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-27 14:36:53,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 696 states and 1021 transitions. [2021-08-27 14:36:53,242 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 549 [2021-08-27 14:36:53,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:53,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:53,242 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:53,243 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:53,243 INFO L791 eck$LassoCheckResult]: Stem: 4606#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 4595#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 4585#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 4587#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 4623#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 4599#L51-1 mp_add_~nb~0 := 4; 4600#L61 assume !(0 == mp_add_~b3~0 % 256); 5127#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 5154#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5153#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5050#L76 [2021-08-27 14:36:53,243 INFO L793 eck$LassoCheckResult]: Loop: 5050#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 5152#L76-2 assume !(1 == mp_add_~i~0 % 256); 5151#L77-1 assume !(2 == mp_add_~i~0 % 256); 5150#L78-1 assume !(3 == mp_add_~i~0 % 256); 5149#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 5148#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 5136#L82-2 assume !(1 == mp_add_~i~0 % 256); 5147#L83-1 assume !(2 == mp_add_~i~0 % 256); 5108#L84-1 assume !(3 == mp_add_~i~0 % 256); 5109#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 5146#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 5083#L91-1 assume !(1 == mp_add_~i~0 % 256); 5144#L92-1 assume !(2 == mp_add_~i~0 % 256); 5143#L93-1 assume !(3 == mp_add_~i~0 % 256); 5106#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5107#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5027#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 5028#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 5142#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 5011#L87-1 assume !(0 == mp_add_~i~0 % 256); 4875#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 4870#L92-1 assume !(2 == mp_add_~i~0 % 256); 4866#L93-1 assume !(3 == mp_add_~i~0 % 256); 4865#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5123#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5049#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5050#L76 [2021-08-27 14:36:53,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:53,243 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 4 times [2021-08-27 14:36:53,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:53,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131600902] [2021-08-27 14:36:53,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:53,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:53,252 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:53,262 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:53,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:53,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2080327901, now seen corresponding path program 1 times [2021-08-27 14:36:53,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:53,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239449645] [2021-08-27 14:36:53,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:53,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:53,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:53,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239449645] [2021-08-27 14:36:53,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239449645] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:53,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:53,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:36:53,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218292398] [2021-08-27 14:36:53,318 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:53,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:53,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 14:36:53,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-27 14:36:53,319 INFO L87 Difference]: Start difference. First operand 696 states and 1021 transitions. cyclomatic complexity: 337 Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:53,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:53,555 INFO L93 Difference]: Finished difference Result 1446 states and 2057 transitions. [2021-08-27 14:36:53,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 14:36:53,555 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1446 states and 2057 transitions. [2021-08-27 14:36:53,563 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 1229 [2021-08-27 14:36:53,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1446 states to 1446 states and 2057 transitions. [2021-08-27 14:36:53,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1446 [2021-08-27 14:36:53,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1446 [2021-08-27 14:36:53,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1446 states and 2057 transitions. [2021-08-27 14:36:53,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:53,572 INFO L681 BuchiCegarLoop]: Abstraction has 1446 states and 2057 transitions. [2021-08-27 14:36:53,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states and 2057 transitions. [2021-08-27 14:36:53,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1120. [2021-08-27 14:36:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1120 states have (on average 1.4526785714285715) internal successors, (1627), 1119 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:53,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1627 transitions. [2021-08-27 14:36:53,593 INFO L704 BuchiCegarLoop]: Abstraction has 1120 states and 1627 transitions. [2021-08-27 14:36:53,593 INFO L587 BuchiCegarLoop]: Abstraction has 1120 states and 1627 transitions. [2021-08-27 14:36:53,593 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-27 14:36:53,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1120 states and 1627 transitions. [2021-08-27 14:36:53,598 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 955 [2021-08-27 14:36:53,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:53,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:53,601 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:53,601 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:53,602 INFO L791 eck$LassoCheckResult]: Stem: 6761#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 6749#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 6738#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 6740#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 6779#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 6780#L51-1 mp_add_~nb~0 := 4; 6741#L61 assume !(0 == mp_add_~b3~0 % 256); 6742#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 6758#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 7685#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6951#L76 [2021-08-27 14:36:53,603 INFO L793 eck$LassoCheckResult]: Loop: 6951#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 7684#L76-2 assume !(1 == mp_add_~i~0 % 256); 7683#L77-1 assume !(2 == mp_add_~i~0 % 256); 7682#L78-1 assume !(3 == mp_add_~i~0 % 256); 7681#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 7680#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 7001#L82-2 assume !(1 == mp_add_~i~0 % 256); 7679#L83-1 assume !(2 == mp_add_~i~0 % 256); 7678#L84-1 assume !(3 == mp_add_~i~0 % 256); 7264#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 7265#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 7626#L91-1 assume !(1 == mp_add_~i~0 % 256); 7692#L92-1 assume !(2 == mp_add_~i~0 % 256); 7691#L93-1 assume !(3 == mp_add_~i~0 % 256); 7690#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6747#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6748#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 6782#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 7693#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 7672#L87-1 assume !(0 == mp_add_~i~0 % 256); 7630#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 7603#L92-1 assume !(2 == mp_add_~i~0 % 256); 7622#L93-1 assume !(3 == mp_add_~i~0 % 256); 7619#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6863#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6864#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 6934#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 6933#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 6921#L87-1 assume !(0 == mp_add_~i~0 % 256); 6922#L91-1 assume !(1 == mp_add_~i~0 % 256); 7601#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 7600#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 6873#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6874#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 7023#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6951#L76 [2021-08-27 14:36:53,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:53,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 5 times [2021-08-27 14:36:53,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:53,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869746425] [2021-08-27 14:36:53,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:53,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:53,613 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:53,626 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:53,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:53,627 INFO L82 PathProgramCache]: Analyzing trace with hash 718808960, now seen corresponding path program 1 times [2021-08-27 14:36:53,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:53,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794549807] [2021-08-27 14:36:53,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:53,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-08-27 14:36:53,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:53,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794549807] [2021-08-27 14:36:53,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794549807] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:53,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:53,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 14:36:53,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125571839] [2021-08-27 14:36:53,657 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:53,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:53,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 14:36:53,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 14:36:53,658 INFO L87 Difference]: Start difference. First operand 1120 states and 1627 transitions. cyclomatic complexity: 523 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:53,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:53,743 INFO L93 Difference]: Finished difference Result 1329 states and 1948 transitions. [2021-08-27 14:36:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 14:36:53,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1329 states and 1948 transitions. [2021-08-27 14:36:53,751 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 1162 [2021-08-27 14:36:53,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1329 states to 1329 states and 1948 transitions. [2021-08-27 14:36:53,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1329 [2021-08-27 14:36:53,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1329 [2021-08-27 14:36:53,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1329 states and 1948 transitions. [2021-08-27 14:36:53,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:53,762 INFO L681 BuchiCegarLoop]: Abstraction has 1329 states and 1948 transitions. [2021-08-27 14:36:53,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states and 1948 transitions. [2021-08-27 14:36:53,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1203. [2021-08-27 14:36:53,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1203 states have (on average 1.4738154613466334) internal successors, (1773), 1202 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1773 transitions. [2021-08-27 14:36:53,782 INFO L704 BuchiCegarLoop]: Abstraction has 1203 states and 1773 transitions. [2021-08-27 14:36:53,782 INFO L587 BuchiCegarLoop]: Abstraction has 1203 states and 1773 transitions. [2021-08-27 14:36:53,782 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-08-27 14:36:53,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1203 states and 1773 transitions. [2021-08-27 14:36:53,788 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1041 [2021-08-27 14:36:53,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:53,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:53,789 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:53,789 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:53,790 INFO L791 eck$LassoCheckResult]: Stem: 9216#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 9204#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 9193#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 9195#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 9233#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 9234#L51-1 mp_add_~nb~0 := 4; 9382#L61 assume !(0 == mp_add_~b3~0 % 256); 9383#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 9476#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 9475#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 9429#L76 [2021-08-27 14:36:53,790 INFO L793 eck$LassoCheckResult]: Loop: 9429#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 9470#L76-2 assume !(1 == mp_add_~i~0 % 256); 9469#L77-1 assume !(2 == mp_add_~i~0 % 256); 9468#L78-1 assume !(3 == mp_add_~i~0 % 256); 9467#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 9372#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 9373#L82-2 assume !(1 == mp_add_~i~0 % 256); 9365#L83-1 assume !(2 == mp_add_~i~0 % 256); 9366#L84-1 assume !(3 == mp_add_~i~0 % 256); 9342#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 9344#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 9272#L91-1 assume !(1 == mp_add_~i~0 % 256); 9273#L92-1 assume !(2 == mp_add_~i~0 % 256); 9264#L93-1 assume !(3 == mp_add_~i~0 % 256); 9265#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 9256#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 9257#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 9495#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 9492#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 9493#L87-1 assume !(0 == mp_add_~i~0 % 256); 9306#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 9307#L92-1 assume !(2 == mp_add_~i~0 % 256); 9302#L93-1 assume !(3 == mp_add_~i~0 % 256); 9303#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 9297#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 9298#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 9426#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 9487#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 9483#L87-1 assume !(0 == mp_add_~i~0 % 256); 9481#L91-1 assume !(1 == mp_add_~i~0 % 256); 9479#L92-1 assume !(2 == mp_add_~i~0 % 256); 9477#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 9447#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 9446#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 9428#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 9429#L76 [2021-08-27 14:36:53,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:53,792 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 6 times [2021-08-27 14:36:53,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:53,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449758662] [2021-08-27 14:36:53,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:53,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:53,803 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:53,822 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:53,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:53,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1592042242, now seen corresponding path program 1 times [2021-08-27 14:36:53,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:53,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966666374] [2021-08-27 14:36:53,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:53,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:53,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:53,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966666374] [2021-08-27 14:36:53,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966666374] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:36:53,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338429923] [2021-08-27 14:36:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:53,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:36:53,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:53,903 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:36:53,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2021-08-27 14:36:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:54,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 14:36:54,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:36:54,165 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-27 14:36:54,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338429923] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:36:54,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:36:54,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-08-27 14:36:54,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923211275] [2021-08-27 14:36:54,168 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:54,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:54,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 14:36:54,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-27 14:36:54,169 INFO L87 Difference]: Start difference. First operand 1203 states and 1773 transitions. cyclomatic complexity: 584 Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:54,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:54,757 INFO L93 Difference]: Finished difference Result 2157 states and 2828 transitions. [2021-08-27 14:36:54,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-27 14:36:54,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2157 states and 2828 transitions. [2021-08-27 14:36:54,770 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1930 [2021-08-27 14:36:54,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2157 states to 2145 states and 2816 transitions. [2021-08-27 14:36:54,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2145 [2021-08-27 14:36:54,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2145 [2021-08-27 14:36:54,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2145 states and 2816 transitions. [2021-08-27 14:36:54,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:54,787 INFO L681 BuchiCegarLoop]: Abstraction has 2145 states and 2816 transitions. [2021-08-27 14:36:54,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states and 2816 transitions. [2021-08-27 14:36:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 1376. [2021-08-27 14:36:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1376 states have (on average 1.3844476744186047) internal successors, (1905), 1375 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1905 transitions. [2021-08-27 14:36:54,822 INFO L704 BuchiCegarLoop]: Abstraction has 1376 states and 1905 transitions. [2021-08-27 14:36:54,822 INFO L587 BuchiCegarLoop]: Abstraction has 1376 states and 1905 transitions. [2021-08-27 14:36:54,822 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-08-27 14:36:54,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1376 states and 1905 transitions. [2021-08-27 14:36:54,827 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1221 [2021-08-27 14:36:54,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:54,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:54,828 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:54,828 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:54,828 INFO L791 eck$LassoCheckResult]: Stem: 12724#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 12712#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 12701#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 12703#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 12741#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 12742#L51-1 mp_add_~nb~0 := 4; 12850#L61 assume !(0 == mp_add_~b3~0 % 256); 12851#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 12963#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 12961#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 12925#L76 [2021-08-27 14:36:54,829 INFO L793 eck$LassoCheckResult]: Loop: 12925#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 12960#L76-2 assume !(1 == mp_add_~i~0 % 256); 12955#L77-1 assume !(2 == mp_add_~i~0 % 256); 12952#L78-1 assume !(3 == mp_add_~i~0 % 256); 12948#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 12933#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 12932#L82-2 assume !(1 == mp_add_~i~0 % 256); 12931#L83-1 assume !(2 == mp_add_~i~0 % 256); 12833#L84-1 assume !(3 == mp_add_~i~0 % 256); 12830#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 12832#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 12903#L91-1 assume !(1 == mp_add_~i~0 % 256); 12916#L92-1 assume !(2 == mp_add_~i~0 % 256); 12914#L93-1 assume !(3 == mp_add_~i~0 % 256); 12912#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12774#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 12775#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 12980#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 12979#L82 assume !(0 == mp_add_~i~0 % 256); 12978#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 12943#L83-1 assume !(2 == mp_add_~i~0 % 256); 12977#L84-1 assume !(3 == mp_add_~i~0 % 256); 12975#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 12974#L87-1 assume !(0 == mp_add_~i~0 % 256); 12973#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 12938#L92-1 assume !(2 == mp_add_~i~0 % 256); 12972#L93-1 assume !(3 == mp_add_~i~0 % 256); 12971#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12970#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 12968#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 12969#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 12998#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 12957#L87-1 assume !(0 == mp_add_~i~0 % 256); 12997#L91-1 assume !(1 == mp_add_~i~0 % 256); 12995#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 12823#L93-1 assume !(3 == mp_add_~i~0 % 256); 12844#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12777#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 12778#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 12925#L76 [2021-08-27 14:36:54,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:54,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 7 times [2021-08-27 14:36:54,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:54,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469269260] [2021-08-27 14:36:54,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:54,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:54,858 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:54,876 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:54,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:54,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1525293494, now seen corresponding path program 1 times [2021-08-27 14:36:54,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:54,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500599589] [2021-08-27 14:36:54,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:54,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:54,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:54,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500599589] [2021-08-27 14:36:54,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500599589] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:36:54,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383831148] [2021-08-27 14:36:54,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:54,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:36:54,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:54,968 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:36:54,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2021-08-27 14:36:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:55,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 14:36:55,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:36:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-27 14:36:55,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383831148] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:36:55,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:36:55,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-08-27 14:36:55,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586022602] [2021-08-27 14:36:55,324 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:55,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:55,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 14:36:55,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-27 14:36:55,325 INFO L87 Difference]: Start difference. First operand 1376 states and 1905 transitions. cyclomatic complexity: 539 Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:56,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:56,003 INFO L93 Difference]: Finished difference Result 3553 states and 4783 transitions. [2021-08-27 14:36:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-27 14:36:56,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3553 states and 4783 transitions. [2021-08-27 14:36:56,021 INFO L131 ngComponentsAnalysis]: Automaton has 18 accepting balls. 3279 [2021-08-27 14:36:56,038 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3553 states to 3553 states and 4783 transitions. [2021-08-27 14:36:56,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3553 [2021-08-27 14:36:56,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3553 [2021-08-27 14:36:56,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3553 states and 4783 transitions. [2021-08-27 14:36:56,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:56,045 INFO L681 BuchiCegarLoop]: Abstraction has 3553 states and 4783 transitions. [2021-08-27 14:36:56,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states and 4783 transitions. [2021-08-27 14:36:56,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 2065. [2021-08-27 14:36:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2065 states, 2065 states have (on average 1.4004842615012107) internal successors, (2892), 2064 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 2892 transitions. [2021-08-27 14:36:56,090 INFO L704 BuchiCegarLoop]: Abstraction has 2065 states and 2892 transitions. [2021-08-27 14:36:56,091 INFO L587 BuchiCegarLoop]: Abstraction has 2065 states and 2892 transitions. [2021-08-27 14:36:56,091 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-08-27 14:36:56,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2065 states and 2892 transitions. [2021-08-27 14:36:56,099 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 1904 [2021-08-27 14:36:56,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:56,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:56,100 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:56,100 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:56,101 INFO L791 eck$LassoCheckResult]: Stem: 17800#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 17789#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 17779#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 17781#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 17819#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 17820#L51-1 mp_add_~nb~0 := 4; 18168#L61 assume !(0 == mp_add_~b3~0 % 256); 18169#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 18211#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18210#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 18037#L76 [2021-08-27 14:36:56,102 INFO L793 eck$LassoCheckResult]: Loop: 18037#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 18209#L76-2 assume !(1 == mp_add_~i~0 % 256); 18208#L77-1 assume !(2 == mp_add_~i~0 % 256); 18207#L78-1 assume !(3 == mp_add_~i~0 % 256); 18206#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18205#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 18046#L82-2 assume !(1 == mp_add_~i~0 % 256); 18201#L83-1 assume !(2 == mp_add_~i~0 % 256); 18200#L84-1 assume !(3 == mp_add_~i~0 % 256); 18149#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 18147#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 17935#L91-1 assume !(1 == mp_add_~i~0 % 256); 18143#L92-1 assume !(2 == mp_add_~i~0 % 256); 18020#L93-1 assume !(3 == mp_add_~i~0 % 256); 18021#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17849#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17850#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18121#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 17995#L82 assume !(0 == mp_add_~i~0 % 256); 18113#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 18090#L83-1 assume !(2 == mp_add_~i~0 % 256); 17992#L84-1 assume !(3 == mp_add_~i~0 % 256); 17993#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 18105#L87-1 assume !(0 == mp_add_~i~0 % 256); 18106#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 18014#L92-1 assume !(2 == mp_add_~i~0 % 256); 18015#L93-1 assume !(3 == mp_add_~i~0 % 256); 18006#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18007#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18002#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18003#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17990#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 17991#L87-1 assume !(0 == mp_add_~i~0 % 256); 17982#L91-1 assume !(1 == mp_add_~i~0 % 256); 17983#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 17885#L93-1 assume !(3 == mp_add_~i~0 % 256); 17886#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17867#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17868#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18118#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 17922#L82 assume !(0 == mp_add_~i~0 % 256); 18111#L82-2 assume !(1 == mp_add_~i~0 % 256); 18112#L83-1 assume !(2 == mp_add_~i~0 % 256); 18194#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 18026#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 18100#L87-1 assume !(0 == mp_add_~i~0 % 256); 18101#L91-1 assume !(1 == mp_add_~i~0 % 256); 18094#L92-1 assume !(2 == mp_add_~i~0 % 256); 18095#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 18178#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18177#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18176#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18028#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 18030#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 17934#L87-1 assume !(0 == mp_add_~i~0 % 256); 17936#L91-1 assume !(1 == mp_add_~i~0 % 256); 17917#L92-1 assume !(2 == mp_add_~i~0 % 256); 17918#L93-1 assume !(3 == mp_add_~i~0 % 256); 18163#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18162#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18056#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 18037#L76 [2021-08-27 14:36:56,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:56,102 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 8 times [2021-08-27 14:36:56,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:56,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547886304] [2021-08-27 14:36:56,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:56,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:56,113 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:56,128 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:56,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:56,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1554435722, now seen corresponding path program 1 times [2021-08-27 14:36:56,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:56,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141992341] [2021-08-27 14:36:56,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:56,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-27 14:36:56,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:56,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141992341] [2021-08-27 14:36:56,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141992341] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:36:56,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:36:56,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-27 14:36:56,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699784843] [2021-08-27 14:36:56,228 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:56,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:56,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 14:36:56,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-27 14:36:56,229 INFO L87 Difference]: Start difference. First operand 2065 states and 2892 transitions. cyclomatic complexity: 843 Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:56,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:56,687 INFO L93 Difference]: Finished difference Result 4206 states and 5612 transitions. [2021-08-27 14:36:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 14:36:56,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4206 states and 5612 transitions. [2021-08-27 14:36:56,709 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 3312 [2021-08-27 14:36:56,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4206 states to 4124 states and 5525 transitions. [2021-08-27 14:36:56,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4124 [2021-08-27 14:36:56,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4124 [2021-08-27 14:36:56,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4124 states and 5525 transitions. [2021-08-27 14:36:56,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:56,738 INFO L681 BuchiCegarLoop]: Abstraction has 4124 states and 5525 transitions. [2021-08-27 14:36:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4124 states and 5525 transitions. [2021-08-27 14:36:56,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4124 to 3304. [2021-08-27 14:36:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 3304 states have (on average 1.3928571428571428) internal successors, (4602), 3303 states have internal predecessors, (4602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4602 transitions. [2021-08-27 14:36:56,801 INFO L704 BuchiCegarLoop]: Abstraction has 3304 states and 4602 transitions. [2021-08-27 14:36:56,802 INFO L587 BuchiCegarLoop]: Abstraction has 3304 states and 4602 transitions. [2021-08-27 14:36:56,802 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-08-27 14:36:56,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3304 states and 4602 transitions. [2021-08-27 14:36:56,812 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 2971 [2021-08-27 14:36:56,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:56,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:56,813 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:56,813 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:56,814 INFO L791 eck$LassoCheckResult]: Stem: 24095#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 24083#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 24072#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 24074#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 24112#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 24113#L51-1 mp_add_~nb~0 := 4; 24426#L61 assume !(0 == mp_add_~b3~0 % 256); 24427#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 24511#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24510#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 24324#L76 [2021-08-27 14:36:56,814 INFO L793 eck$LassoCheckResult]: Loop: 24324#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 24509#L76-2 assume !(1 == mp_add_~i~0 % 256); 24508#L77-1 assume !(2 == mp_add_~i~0 % 256); 24507#L78-1 assume !(3 == mp_add_~i~0 % 256); 24506#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24505#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 24310#L82-2 assume !(1 == mp_add_~i~0 % 256); 24504#L83-1 assume !(2 == mp_add_~i~0 % 256); 24409#L84-1 assume !(3 == mp_add_~i~0 % 256); 24410#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24524#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 24285#L91-1 assume !(1 == mp_add_~i~0 % 256); 24522#L92-1 assume !(2 == mp_add_~i~0 % 256); 24520#L93-1 assume !(3 == mp_add_~i~0 % 256); 24518#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24515#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24513#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24514#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24392#L82 assume !(0 == mp_add_~i~0 % 256); 24389#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 24387#L83-1 assume !(2 == mp_add_~i~0 % 256); 24384#L84-1 assume !(3 == mp_add_~i~0 % 256); 24380#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24381#L87-1 assume !(0 == mp_add_~i~0 % 256); 24272#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 24273#L92-1 assume !(2 == mp_add_~i~0 % 256); 24268#L93-1 assume !(3 == mp_add_~i~0 % 256); 24269#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24264#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24265#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24259#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24260#L82 assume !(0 == mp_add_~i~0 % 256); 24399#L82-2 assume !(1 == mp_add_~i~0 % 256); 24261#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 24257#L84-1 assume !(3 == mp_add_~i~0 % 256); 24258#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24300#L87-1 assume !(0 == mp_add_~i~0 % 256); 24396#L91-1 assume !(1 == mp_add_~i~0 % 256); 24283#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 24282#L93-1 assume !(3 == mp_add_~i~0 % 256); 24281#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24280#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24279#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24276#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24277#L82 assume !(0 == mp_add_~i~0 % 256); 24290#L82-2 assume !(1 == mp_add_~i~0 % 256); 24289#L83-1 assume !(2 == mp_add_~i~0 % 256); 24274#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 24275#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24350#L87-1 assume !(0 == mp_add_~i~0 % 256); 24345#L91-1 assume !(1 == mp_add_~i~0 % 256); 24340#L92-1 assume !(2 == mp_add_~i~0 % 256); 24332#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 24329#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24326#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24322#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24316#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 24317#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 24307#L87-1 assume !(0 == mp_add_~i~0 % 256); 24308#L91-1 assume !(1 == mp_add_~i~0 % 256); 24297#L92-1 assume !(2 == mp_add_~i~0 % 256); 24240#L93-1 assume !(3 == mp_add_~i~0 % 256); 24422#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24420#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24390#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 24324#L76 [2021-08-27 14:36:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:56,814 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 9 times [2021-08-27 14:36:56,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:56,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040510409] [2021-08-27 14:36:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:56,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:56,827 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:56,849 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:56,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:56,850 INFO L82 PathProgramCache]: Analyzing trace with hash -426721682, now seen corresponding path program 1 times [2021-08-27 14:36:56,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:56,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117685184] [2021-08-27 14:36:56,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:56,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 8 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:36:57,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:57,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117685184] [2021-08-27 14:36:57,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117685184] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:36:57,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487764541] [2021-08-27 14:36:57,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:57,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:36:57,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:57,066 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:36:57,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2021-08-27 14:36:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:57,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 14:36:57,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:36:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 83 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-27 14:36:57,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487764541] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:36:57,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:36:57,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 15 [2021-08-27 14:36:57,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616046512] [2021-08-27 14:36:57,787 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:36:57,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:36:57,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-27 14:36:57,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-08-27 14:36:57,788 INFO L87 Difference]: Start difference. First operand 3304 states and 4602 transitions. cyclomatic complexity: 1324 Second operand has 16 states, 15 states have (on average 7.933333333333334) internal successors, (119), 16 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:59,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:36:59,682 INFO L93 Difference]: Finished difference Result 7612 states and 9710 transitions. [2021-08-27 14:36:59,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-27 14:36:59,683 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7612 states and 9710 transitions. [2021-08-27 14:36:59,705 INFO L131 ngComponentsAnalysis]: Automaton has 22 accepting balls. 5804 [2021-08-27 14:36:59,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7612 states to 6767 states and 8354 transitions. [2021-08-27 14:36:59,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6767 [2021-08-27 14:36:59,739 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6767 [2021-08-27 14:36:59,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6767 states and 8354 transitions. [2021-08-27 14:36:59,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:36:59,748 INFO L681 BuchiCegarLoop]: Abstraction has 6767 states and 8354 transitions. [2021-08-27 14:36:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6767 states and 8354 transitions. [2021-08-27 14:36:59,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6767 to 2240. [2021-08-27 14:36:59,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2240 states, 2240 states have (on average 1.3852678571428572) internal successors, (3103), 2239 states have internal predecessors, (3103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:36:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 3103 transitions. [2021-08-27 14:36:59,812 INFO L704 BuchiCegarLoop]: Abstraction has 2240 states and 3103 transitions. [2021-08-27 14:36:59,812 INFO L587 BuchiCegarLoop]: Abstraction has 2240 states and 3103 transitions. [2021-08-27 14:36:59,812 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-08-27 14:36:59,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2240 states and 3103 transitions. [2021-08-27 14:36:59,817 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 2064 [2021-08-27 14:36:59,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:36:59,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:36:59,818 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:59,818 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:36:59,819 INFO L791 eck$LassoCheckResult]: Stem: 35272#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 35266#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 35257#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35259#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35281#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35282#L51-1 mp_add_~nb~0 := 4; 36875#L61 assume !(0 == mp_add_~b3~0 % 256); 35270#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 35271#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 36125#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 35314#L76 [2021-08-27 14:36:59,819 INFO L793 eck$LassoCheckResult]: Loop: 35314#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 35273#L76-2 assume !(1 == mp_add_~i~0 % 256); 35274#L77-1 assume !(2 == mp_add_~i~0 % 256); 35275#L78-1 assume !(3 == mp_add_~i~0 % 256); 35279#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 35277#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 35278#L82-2 assume !(1 == mp_add_~i~0 % 256); 35284#L83-1 assume !(2 == mp_add_~i~0 % 256); 37488#L84-1 assume !(3 == mp_add_~i~0 % 256); 37487#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 37482#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 35661#L91-1 assume !(1 == mp_add_~i~0 % 256); 37481#L92-1 assume !(2 == mp_add_~i~0 % 256); 37480#L93-1 assume !(3 == mp_add_~i~0 % 256); 37479#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37478#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37441#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37440#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37439#L82 assume !(0 == mp_add_~i~0 % 256); 37437#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 35287#L83-1 assume !(2 == mp_add_~i~0 % 256); 35280#L84-1 assume !(3 == mp_add_~i~0 % 256); 35276#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 35267#L87-1 assume !(0 == mp_add_~i~0 % 256); 35256#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 35254#L92-1 assume !(2 == mp_add_~i~0 % 256); 35255#L93-1 assume !(3 == mp_add_~i~0 % 256); 35269#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 35264#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 35265#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35283#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37436#L82 assume !(0 == mp_add_~i~0 % 256); 37435#L82-2 assume !(1 == mp_add_~i~0 % 256); 37400#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 37262#L84-1 assume !(3 == mp_add_~i~0 % 256); 37386#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 37385#L87-1 assume !(0 == mp_add_~i~0 % 256); 37384#L91-1 assume !(1 == mp_add_~i~0 % 256); 37213#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 37212#L93-1 assume !(3 == mp_add_~i~0 % 256); 37211#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37210#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37209#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37208#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37206#L82 assume !(0 == mp_add_~i~0 % 256); 37205#L82-2 assume !(1 == mp_add_~i~0 % 256); 37203#L83-1 assume !(2 == mp_add_~i~0 % 256); 37171#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 37169#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 37168#L87-1 assume !(0 == mp_add_~i~0 % 256); 37167#L91-1 assume !(1 == mp_add_~i~0 % 256); 37166#L92-1 assume !(2 == mp_add_~i~0 % 256); 37165#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 37164#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37163#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37161#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37158#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 37156#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 37128#L87-1 assume !(0 == mp_add_~i~0 % 256); 37155#L91-1 assume !(1 == mp_add_~i~0 % 256); 37147#L92-1 assume !(2 == mp_add_~i~0 % 256); 37148#L93-1 assume !(3 == mp_add_~i~0 % 256); 37276#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37275#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37274#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37273#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37272#L82 assume !(0 == mp_add_~i~0 % 256); 37271#L82-2 assume !(1 == mp_add_~i~0 % 256); 37270#L83-1 assume !(2 == mp_add_~i~0 % 256); 37269#L84-1 assume !(3 == mp_add_~i~0 % 256); 37195#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 37196#L87-1 assume !(0 == mp_add_~i~0 % 256); 37191#L91-1 assume !(1 == mp_add_~i~0 % 256); 37192#L92-1 assume !(2 == mp_add_~i~0 % 256); 37187#L93-1 assume !(3 == mp_add_~i~0 % 256); 37188#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37183#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37184#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37315#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 37317#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 37070#L87-1 assume !(0 == mp_add_~i~0 % 256); 37071#L91-1 assume !(1 == mp_add_~i~0 % 256); 37279#L92-1 assume !(2 == mp_add_~i~0 % 256); 37102#L93-1 assume !(3 == mp_add_~i~0 % 256); 37093#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37094#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37086#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 35314#L76 [2021-08-27 14:36:59,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:59,819 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 10 times [2021-08-27 14:36:59,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:59,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163855404] [2021-08-27 14:36:59,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:59,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:59,829 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:36:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:36:59,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:36:59,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:36:59,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1754230746, now seen corresponding path program 2 times [2021-08-27 14:36:59,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:36:59,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125252697] [2021-08-27 14:36:59,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:36:59,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:36:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:36:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 9 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-08-27 14:36:59,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:36:59,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125252697] [2021-08-27 14:36:59,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125252697] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:36:59,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314748031] [2021-08-27 14:36:59,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 14:36:59,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:36:59,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:36:59,993 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:00,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2021-08-27 14:37:00,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-27 14:37:00,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 14:37:00,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 14:37:00,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 144 proven. 3 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-08-27 14:37:00,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314748031] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:00,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:37:00,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 11 [2021-08-27 14:37:00,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282997489] [2021-08-27 14:37:00,491 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:00,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:00,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-27 14:37:00,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-08-27 14:37:00,491 INFO L87 Difference]: Start difference. First operand 2240 states and 3103 transitions. cyclomatic complexity: 874 Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:01,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:01,753 INFO L93 Difference]: Finished difference Result 5472 states and 6798 transitions. [2021-08-27 14:37:01,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-27 14:37:01,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5472 states and 6798 transitions. [2021-08-27 14:37:01,768 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 4405 [2021-08-27 14:37:01,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5472 states to 4656 states and 5773 transitions. [2021-08-27 14:37:01,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4656 [2021-08-27 14:37:01,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4656 [2021-08-27 14:37:01,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4656 states and 5773 transitions. [2021-08-27 14:37:01,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:01,792 INFO L681 BuchiCegarLoop]: Abstraction has 4656 states and 5773 transitions. [2021-08-27 14:37:01,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4656 states and 5773 transitions. [2021-08-27 14:37:01,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 1902. [2021-08-27 14:37:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1902 states have (on average 1.2860147213459516) internal successors, (2446), 1901 states have internal predecessors, (2446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2446 transitions. [2021-08-27 14:37:01,855 INFO L704 BuchiCegarLoop]: Abstraction has 1902 states and 2446 transitions. [2021-08-27 14:37:01,855 INFO L587 BuchiCegarLoop]: Abstraction has 1902 states and 2446 transitions. [2021-08-27 14:37:01,855 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-08-27 14:37:01,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1902 states and 2446 transitions. [2021-08-27 14:37:01,860 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1774 [2021-08-27 14:37:01,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:01,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:01,861 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:01,861 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:01,861 INFO L791 eck$LassoCheckResult]: Stem: 43362#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 43353#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 43343#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 43345#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 43375#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 43376#L51-1 mp_add_~nb~0 := 4; 43838#L61 assume !(0 == mp_add_~b3~0 % 256); 43835#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 43834#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43833#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 43442#L76 [2021-08-27 14:37:01,861 INFO L793 eck$LassoCheckResult]: Loop: 43442#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 43832#L76-2 assume !(1 == mp_add_~i~0 % 256); 43831#L77-1 assume !(2 == mp_add_~i~0 % 256); 43822#L78-1 assume !(3 == mp_add_~i~0 % 256); 43821#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43799#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 43585#L82-2 assume !(1 == mp_add_~i~0 % 256); 43798#L83-1 assume !(2 == mp_add_~i~0 % 256); 43797#L84-1 assume !(3 == mp_add_~i~0 % 256); 43794#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 43791#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 43424#L91-1 assume !(1 == mp_add_~i~0 % 256); 43645#L92-1 assume !(2 == mp_add_~i~0 % 256); 43644#L93-1 assume !(3 == mp_add_~i~0 % 256); 43642#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43643#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43380#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43381#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43820#L82 assume !(0 == mp_add_~i~0 % 256); 43815#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 43435#L83-1 assume !(2 == mp_add_~i~0 % 256); 43814#L84-1 assume !(3 == mp_add_~i~0 % 256); 43813#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 43812#L87-1 assume !(0 == mp_add_~i~0 % 256); 43626#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 43535#L92-1 assume !(2 == mp_add_~i~0 % 256); 43625#L93-1 assume !(3 == mp_add_~i~0 % 256); 43624#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43623#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43622#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43621#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43620#L82 assume !(0 == mp_add_~i~0 % 256); 43619#L82-2 assume !(1 == mp_add_~i~0 % 256); 43618#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 43432#L84-1 assume !(3 == mp_add_~i~0 % 256); 43617#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 43615#L87-1 assume !(0 == mp_add_~i~0 % 256); 43613#L91-1 assume !(1 == mp_add_~i~0 % 256); 43612#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 43419#L93-1 assume !(3 == mp_add_~i~0 % 256); 43611#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43511#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43512#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43507#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43508#L82 assume !(0 == mp_add_~i~0 % 256); 43503#L82-2 assume !(1 == mp_add_~i~0 % 256); 43504#L83-1 assume !(2 == mp_add_~i~0 % 256); 43610#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 43429#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 43495#L87-1 assume !(0 == mp_add_~i~0 % 256); 43540#L91-1 assume !(1 == mp_add_~i~0 % 256); 43541#L92-1 assume !(2 == mp_add_~i~0 % 256); 43609#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 43587#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43608#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43607#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43606#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43605#L82 assume !(0 == mp_add_~i~0 % 256); 43604#L82-2 assume !(1 == mp_add_~i~0 % 256); 43603#L83-1 assume !(2 == mp_add_~i~0 % 256); 43602#L84-1 assume !(3 == mp_add_~i~0 % 256); 43601#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 43600#L87-1 assume !(0 == mp_add_~i~0 % 256); 43599#L91-1 assume !(1 == mp_add_~i~0 % 256); 43598#L92-1 assume !(2 == mp_add_~i~0 % 256); 43597#L93-1 assume !(3 == mp_add_~i~0 % 256); 43596#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43473#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43474#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43469#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43470#L82 assume !(0 == mp_add_~i~0 % 256); 43465#L82-2 assume !(1 == mp_add_~i~0 % 256); 43466#L83-1 assume !(2 == mp_add_~i~0 % 256); 43461#L84-1 assume !(3 == mp_add_~i~0 % 256); 43462#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 43457#L87-1 assume !(0 == mp_add_~i~0 % 256); 43458#L91-1 assume !(1 == mp_add_~i~0 % 256); 43453#L92-1 assume !(2 == mp_add_~i~0 % 256); 43454#L93-1 assume !(3 == mp_add_~i~0 % 256); 43449#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43450#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43443#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43444#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43437#L82 assume !(0 == mp_add_~i~0 % 256); 43438#L82-2 assume !(1 == mp_add_~i~0 % 256); 43431#L83-1 assume !(2 == mp_add_~i~0 % 256); 43433#L84-1 assume !(3 == mp_add_~i~0 % 256); 43426#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 43427#L87-1 assume !(0 == mp_add_~i~0 % 256); 43588#L91-1 assume !(1 == mp_add_~i~0 % 256); 43418#L92-1 assume !(2 == mp_add_~i~0 % 256); 43420#L93-1 assume !(3 == mp_add_~i~0 % 256); 43413#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43414#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43441#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 43442#L76 [2021-08-27 14:37:01,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:01,862 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 11 times [2021-08-27 14:37:01,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:01,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110332130] [2021-08-27 14:37:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:01,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:01,870 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:01,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:01,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:01,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1095335616, now seen corresponding path program 1 times [2021-08-27 14:37:01,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:01,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199998948] [2021-08-27 14:37:01,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:01,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 93 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:37:02,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:02,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199998948] [2021-08-27 14:37:02,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199998948] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:02,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99665603] [2021-08-27 14:37:02,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:02,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:02,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:02,031 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:02,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2021-08-27 14:37:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:02,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 14:37:02,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 143 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-08-27 14:37:03,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99665603] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:03,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:37:03,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-08-27 14:37:03,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936025032] [2021-08-27 14:37:03,335 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:03,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:03,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-27 14:37:03,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-08-27 14:37:03,336 INFO L87 Difference]: Start difference. First operand 1902 states and 2446 transitions. cyclomatic complexity: 555 Second operand has 17 states, 16 states have (on average 8.0625) internal successors, (129), 17 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:05,175 INFO L93 Difference]: Finished difference Result 2014 states and 2551 transitions. [2021-08-27 14:37:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-27 14:37:05,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2014 states and 2551 transitions. [2021-08-27 14:37:05,181 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1703 [2021-08-27 14:37:05,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2014 states to 2014 states and 2551 transitions. [2021-08-27 14:37:05,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2014 [2021-08-27 14:37:05,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2014 [2021-08-27 14:37:05,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2014 states and 2551 transitions. [2021-08-27 14:37:05,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:05,189 INFO L681 BuchiCegarLoop]: Abstraction has 2014 states and 2551 transitions. [2021-08-27 14:37:05,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states and 2551 transitions. [2021-08-27 14:37:05,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1865. [2021-08-27 14:37:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1865 states have (on average 1.2857908847184987) internal successors, (2398), 1864 states have internal predecessors, (2398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2398 transitions. [2021-08-27 14:37:05,226 INFO L704 BuchiCegarLoop]: Abstraction has 1865 states and 2398 transitions. [2021-08-27 14:37:05,226 INFO L587 BuchiCegarLoop]: Abstraction has 1865 states and 2398 transitions. [2021-08-27 14:37:05,226 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-08-27 14:37:05,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1865 states and 2398 transitions. [2021-08-27 14:37:05,230 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1684 [2021-08-27 14:37:05,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:05,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:05,231 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,231 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,232 INFO L791 eck$LassoCheckResult]: Stem: 47620#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 47611#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 47600#L51 assume !(0 == mp_add_~a3~0 % 256); 47601#L51-1 mp_add_~nb~0 := 4; 47603#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 47605#L63 assume !(0 == mp_add_~b2~0 % 256); 47606#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 48821#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 48822#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 48818#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 48816#L76-2 assume !(1 == mp_add_~i~0 % 256); 48817#L77-1 assume !(2 == mp_add_~i~0 % 256); 49024#L78-1 assume !(3 == mp_add_~i~0 % 256); 49025#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 48836#L81 [2021-08-27 14:37:05,232 INFO L793 eck$LassoCheckResult]: Loop: 48836#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 47678#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 47679#L91-1 assume !(1 == mp_add_~i~0 % 256); 47671#L92-1 assume !(2 == mp_add_~i~0 % 256); 47672#L93-1 assume !(3 == mp_add_~i~0 % 256); 47667#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 47668#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 49309#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 49310#L76 assume !(0 == mp_add_~i~0 % 256); 49303#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 49304#L77-1 assume !(2 == mp_add_~i~0 % 256); 49297#L78-1 assume !(3 == mp_add_~i~0 % 256); 49298#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 48285#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 48756#L87-1 assume !(0 == mp_add_~i~0 % 256); 47656#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 47657#L92-1 assume !(2 == mp_add_~i~0 % 256); 47652#L93-1 assume !(3 == mp_add_~i~0 % 256); 47653#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 47648#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 47649#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 48572#L76 assume !(0 == mp_add_~i~0 % 256); 48573#L76-2 assume !(1 == mp_add_~i~0 % 256); 47637#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 47638#L78-1 assume !(3 == mp_add_~i~0 % 256); 49381#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 48221#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 49378#L87-1 assume !(0 == mp_add_~i~0 % 256); 49377#L91-1 assume !(1 == mp_add_~i~0 % 256); 49376#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 49375#L93-1 assume !(3 == mp_add_~i~0 % 256); 49374#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 49325#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 49326#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 47636#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 49321#L76-2 assume !(1 == mp_add_~i~0 % 256); 49367#L77-1 assume !(2 == mp_add_~i~0 % 256); 49366#L78-1 assume !(3 == mp_add_~i~0 % 256); 49365#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 48836#L81 [2021-08-27 14:37:05,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,232 INFO L82 PathProgramCache]: Analyzing trace with hash -483244445, now seen corresponding path program 1 times [2021-08-27 14:37:05,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301098094] [2021-08-27 14:37:05,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:37:05,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:05,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301098094] [2021-08-27 14:37:05,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301098094] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:05,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:37:05,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 14:37:05,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592050572] [2021-08-27 14:37:05,265 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:37:05,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1898923092, now seen corresponding path program 1 times [2021-08-27 14:37:05,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511555972] [2021-08-27 14:37:05,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-27 14:37:05,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:05,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511555972] [2021-08-27 14:37:05,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511555972] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:05,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:37:05,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:37:05,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998424353] [2021-08-27 14:37:05,309 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:05,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:05,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 14:37:05,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 14:37:05,312 INFO L87 Difference]: Start difference. First operand 1865 states and 2398 transitions. cyclomatic complexity: 544 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:05,317 INFO L93 Difference]: Finished difference Result 1086 states and 1374 transitions. [2021-08-27 14:37:05,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 14:37:05,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1086 states and 1374 transitions. [2021-08-27 14:37:05,321 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 953 [2021-08-27 14:37:05,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1086 states to 1086 states and 1374 transitions. [2021-08-27 14:37:05,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1086 [2021-08-27 14:37:05,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1086 [2021-08-27 14:37:05,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1086 states and 1374 transitions. [2021-08-27 14:37:05,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:05,330 INFO L681 BuchiCegarLoop]: Abstraction has 1086 states and 1374 transitions. [2021-08-27 14:37:05,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states and 1374 transitions. [2021-08-27 14:37:05,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1086. [2021-08-27 14:37:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1086 states have (on average 1.2651933701657458) internal successors, (1374), 1085 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1374 transitions. [2021-08-27 14:37:05,343 INFO L704 BuchiCegarLoop]: Abstraction has 1086 states and 1374 transitions. [2021-08-27 14:37:05,343 INFO L587 BuchiCegarLoop]: Abstraction has 1086 states and 1374 transitions. [2021-08-27 14:37:05,343 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-08-27 14:37:05,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1086 states and 1374 transitions. [2021-08-27 14:37:05,345 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 953 [2021-08-27 14:37:05,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:05,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:05,347 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,347 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,347 INFO L791 eck$LassoCheckResult]: Stem: 50578#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 50568#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 50559#L51 assume !(0 == mp_add_~a3~0 % 256); 50560#L51-1 mp_add_~nb~0 := 4; 51447#L61 assume !(0 == mp_add_~b3~0 % 256); 51446#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 51445#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 51444#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 51443#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 51442#L76-2 assume !(1 == mp_add_~i~0 % 256); 51440#L77-1 assume !(2 == mp_add_~i~0 % 256); 51438#L78-1 assume !(3 == mp_add_~i~0 % 256); 51436#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 51434#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 51433#L82-2 assume !(1 == mp_add_~i~0 % 256); 51431#L83-1 assume !(2 == mp_add_~i~0 % 256); 51429#L84-1 assume !(3 == mp_add_~i~0 % 256); 51426#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 51427#L87-1 [2021-08-27 14:37:05,347 INFO L793 eck$LassoCheckResult]: Loop: 51427#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 51156#L91-1 assume !(1 == mp_add_~i~0 % 256); 51514#L92-1 assume !(2 == mp_add_~i~0 % 256); 51513#L93-1 assume !(3 == mp_add_~i~0 % 256); 51414#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 51410#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 51411#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 51369#L76 assume !(0 == mp_add_~i~0 % 256); 51366#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 51125#L77-1 assume !(2 == mp_add_~i~0 % 256); 51364#L78-1 assume !(3 == mp_add_~i~0 % 256); 51362#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 51360#L82 assume !(0 == mp_add_~i~0 % 256); 51348#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 51346#L83-1 assume !(2 == mp_add_~i~0 % 256); 51343#L84-1 assume !(3 == mp_add_~i~0 % 256); 51342#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 51341#L87-1 assume !(0 == mp_add_~i~0 % 256); 50960#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 50958#L92-1 assume !(2 == mp_add_~i~0 % 256); 50955#L93-1 assume !(3 == mp_add_~i~0 % 256); 50956#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 51166#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 50945#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 50946#L76 assume !(0 == mp_add_~i~0 % 256); 51378#L76-2 assume !(1 == mp_add_~i~0 % 256); 51376#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 51096#L78-1 assume !(3 == mp_add_~i~0 % 256); 51374#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 51373#L82 assume !(0 == mp_add_~i~0 % 256); 51371#L82-2 assume !(1 == mp_add_~i~0 % 256); 51326#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 51324#L84-1 assume !(3 == mp_add_~i~0 % 256); 51321#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 51319#L87-1 assume !(0 == mp_add_~i~0 % 256); 51152#L91-1 assume !(1 == mp_add_~i~0 % 256); 51147#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 51143#L93-1 assume !(3 == mp_add_~i~0 % 256); 51138#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 51135#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 51132#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 50922#L76 assume !(0 == mp_add_~i~0 % 256); 51124#L76-2 assume !(1 == mp_add_~i~0 % 256); 51095#L77-1 assume !(2 == mp_add_~i~0 % 256); 51037#L78-1 assume !(3 == mp_add_~i~0 % 256); 51038#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 51045#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 51359#L82-2 assume !(1 == mp_add_~i~0 % 256); 51517#L83-1 assume !(2 == mp_add_~i~0 % 256); 51516#L84-1 assume !(3 == mp_add_~i~0 % 256); 51515#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 51427#L87-1 [2021-08-27 14:37:05,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,348 INFO L82 PathProgramCache]: Analyzing trace with hash 389365736, now seen corresponding path program 1 times [2021-08-27 14:37:05,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354467061] [2021-08-27 14:37:05,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:05,370 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:05,385 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:05,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1734479178, now seen corresponding path program 1 times [2021-08-27 14:37:05,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683357690] [2021-08-27 14:37:05,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-08-27 14:37:05,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:05,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683357690] [2021-08-27 14:37:05,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683357690] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:05,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:37:05,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 14:37:05,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050132532] [2021-08-27 14:37:05,413 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:05,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:05,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 14:37:05,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 14:37:05,414 INFO L87 Difference]: Start difference. First operand 1086 states and 1374 transitions. cyclomatic complexity: 295 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:05,465 INFO L93 Difference]: Finished difference Result 1064 states and 1328 transitions. [2021-08-27 14:37:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 14:37:05,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1328 transitions. [2021-08-27 14:37:05,468 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 931 [2021-08-27 14:37:05,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1328 transitions. [2021-08-27 14:37:05,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1064 [2021-08-27 14:37:05,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1064 [2021-08-27 14:37:05,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1328 transitions. [2021-08-27 14:37:05,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:05,471 INFO L681 BuchiCegarLoop]: Abstraction has 1064 states and 1328 transitions. [2021-08-27 14:37:05,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1328 transitions. [2021-08-27 14:37:05,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1062. [2021-08-27 14:37:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 1062 states have (on average 1.2485875706214689) internal successors, (1326), 1061 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1326 transitions. [2021-08-27 14:37:05,484 INFO L704 BuchiCegarLoop]: Abstraction has 1062 states and 1326 transitions. [2021-08-27 14:37:05,484 INFO L587 BuchiCegarLoop]: Abstraction has 1062 states and 1326 transitions. [2021-08-27 14:37:05,484 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-08-27 14:37:05,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1062 states and 1326 transitions. [2021-08-27 14:37:05,486 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 929 [2021-08-27 14:37:05,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:05,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:05,487 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,487 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,487 INFO L791 eck$LassoCheckResult]: Stem: 52732#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 52723#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 52715#L51 assume !(0 == mp_add_~a3~0 % 256); 52716#L51-1 mp_add_~nb~0 := 4; 52727#L61 assume !(0 == mp_add_~b3~0 % 256); 52729#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 52730#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 53645#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 53643#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 53641#L76-2 assume !(1 == mp_add_~i~0 % 256); 53642#L77-1 assume !(2 == mp_add_~i~0 % 256); 53709#L78-1 assume !(3 == mp_add_~i~0 % 256); 53628#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 53622#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 53623#L82-2 assume !(1 == mp_add_~i~0 % 256); 53705#L83-1 assume !(2 == mp_add_~i~0 % 256); 53703#L84-1 assume !(3 == mp_add_~i~0 % 256); 53701#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 53596#L87-1 [2021-08-27 14:37:05,487 INFO L793 eck$LassoCheckResult]: Loop: 53596#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 53597#L91-1 assume !(1 == mp_add_~i~0 % 256); 53695#L92-1 assume !(2 == mp_add_~i~0 % 256); 53693#L93-1 assume !(3 == mp_add_~i~0 % 256); 53575#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 52795#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 52796#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 53567#L76 assume !(0 == mp_add_~i~0 % 256); 53566#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 53278#L77-1 assume !(2 == mp_add_~i~0 % 256); 53565#L78-1 assume !(3 == mp_add_~i~0 % 256); 53563#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 53564#L82 assume !(0 == mp_add_~i~0 % 256); 53492#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 53489#L83-1 assume !(2 == mp_add_~i~0 % 256); 53485#L84-1 assume !(3 == mp_add_~i~0 % 256); 53480#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 53477#L87-1 assume !(0 == mp_add_~i~0 % 256); 53113#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 53114#L92-1 assume !(2 == mp_add_~i~0 % 256); 53322#L93-1 assume !(3 == mp_add_~i~0 % 256); 53320#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 53101#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 53102#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 53309#L76 assume !(0 == mp_add_~i~0 % 256); 53303#L76-2 assume !(1 == mp_add_~i~0 % 256); 53275#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 53207#L78-1 assume !(3 == mp_add_~i~0 % 256); 53270#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 53268#L82 assume !(0 == mp_add_~i~0 % 256); 53266#L82-2 assume !(1 == mp_add_~i~0 % 256); 53265#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 53260#L84-1 assume !(3 == mp_add_~i~0 % 256); 53256#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 53254#L87-1 assume !(0 == mp_add_~i~0 % 256); 53250#L91-1 assume !(1 == mp_add_~i~0 % 256); 53203#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 53204#L93-1 assume !(3 == mp_add_~i~0 % 256); 53175#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 53176#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 53165#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 53166#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 53283#L76-2 assume !(1 == mp_add_~i~0 % 256); 53638#L77-1 assume !(2 == mp_add_~i~0 % 256); 53633#L78-1 assume !(3 == mp_add_~i~0 % 256); 53634#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 53707#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 53617#L82-2 assume !(1 == mp_add_~i~0 % 256); 53612#L83-1 assume !(2 == mp_add_~i~0 % 256); 53607#L84-1 assume !(3 == mp_add_~i~0 % 256); 53602#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 53596#L87-1 [2021-08-27 14:37:05,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,487 INFO L82 PathProgramCache]: Analyzing trace with hash 389365736, now seen corresponding path program 2 times [2021-08-27 14:37:05,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546225453] [2021-08-27 14:37:05,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:05,498 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:05,509 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:05,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,510 INFO L82 PathProgramCache]: Analyzing trace with hash 652692538, now seen corresponding path program 1 times [2021-08-27 14:37:05,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70622206] [2021-08-27 14:37:05,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-27 14:37:05,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:05,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70622206] [2021-08-27 14:37:05,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70622206] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:05,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:37:05,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:37:05,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276757481] [2021-08-27 14:37:05,558 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:05,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:05,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 14:37:05,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 14:37:05,558 INFO L87 Difference]: Start difference. First operand 1062 states and 1326 transitions. cyclomatic complexity: 271 Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:05,685 INFO L93 Difference]: Finished difference Result 1510 states and 1866 transitions. [2021-08-27 14:37:05,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 14:37:05,686 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1510 states and 1866 transitions. [2021-08-27 14:37:05,690 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1351 [2021-08-27 14:37:05,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1510 states to 1510 states and 1866 transitions. [2021-08-27 14:37:05,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1510 [2021-08-27 14:37:05,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1510 [2021-08-27 14:37:05,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1510 states and 1866 transitions. [2021-08-27 14:37:05,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:05,696 INFO L681 BuchiCegarLoop]: Abstraction has 1510 states and 1866 transitions. [2021-08-27 14:37:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states and 1866 transitions. [2021-08-27 14:37:05,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1094. [2021-08-27 14:37:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1094 states have (on average 1.2440585009140768) internal successors, (1361), 1093 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1361 transitions. [2021-08-27 14:37:05,709 INFO L704 BuchiCegarLoop]: Abstraction has 1094 states and 1361 transitions. [2021-08-27 14:37:05,709 INFO L587 BuchiCegarLoop]: Abstraction has 1094 states and 1361 transitions. [2021-08-27 14:37:05,709 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-08-27 14:37:05,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1094 states and 1361 transitions. [2021-08-27 14:37:05,727 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 961 [2021-08-27 14:37:05,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:05,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:05,727 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,727 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,728 INFO L791 eck$LassoCheckResult]: Stem: 55314#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 55305#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 55299#L51 assume !(0 == mp_add_~a3~0 % 256); 55300#L51-1 mp_add_~nb~0 := 4; 55309#L61 assume !(0 == mp_add_~b3~0 % 256); 55312#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 55313#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55831#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 55832#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 55890#L76-2 assume !(1 == mp_add_~i~0 % 256); 55891#L77-1 assume !(2 == mp_add_~i~0 % 256); 55882#L78-1 assume !(3 == mp_add_~i~0 % 256); 55883#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 55874#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 55875#L82-2 assume !(1 == mp_add_~i~0 % 256); 55866#L83-1 assume !(2 == mp_add_~i~0 % 256); 55867#L84-1 assume !(3 == mp_add_~i~0 % 256); 55855#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 55856#L87-1 [2021-08-27 14:37:05,728 INFO L793 eck$LassoCheckResult]: Loop: 55856#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 55851#L91-1 assume !(1 == mp_add_~i~0 % 256); 55852#L92-1 assume !(2 == mp_add_~i~0 % 256); 55848#L93-1 assume !(3 == mp_add_~i~0 % 256); 55847#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 55843#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55844#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 56118#L76 assume !(0 == mp_add_~i~0 % 256); 56117#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 55931#L77-1 assume !(2 == mp_add_~i~0 % 256); 56114#L78-1 assume !(3 == mp_add_~i~0 % 256); 56110#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 56108#L82 assume !(0 == mp_add_~i~0 % 256); 56107#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 56052#L83-1 assume !(2 == mp_add_~i~0 % 256); 56106#L84-1 assume !(3 == mp_add_~i~0 % 256); 56104#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 56102#L87-1 assume !(0 == mp_add_~i~0 % 256); 55987#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 55986#L92-1 assume !(2 == mp_add_~i~0 % 256); 55985#L93-1 assume !(3 == mp_add_~i~0 % 256); 55984#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 55625#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55626#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 55983#L76 assume !(0 == mp_add_~i~0 % 256); 56129#L76-2 assume !(1 == mp_add_~i~0 % 256); 56128#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 55928#L78-1 assume !(3 == mp_add_~i~0 % 256); 56115#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 56112#L82 assume !(0 == mp_add_~i~0 % 256); 56109#L82-2 assume !(1 == mp_add_~i~0 % 256); 56030#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 56026#L84-1 assume !(3 == mp_add_~i~0 % 256); 56022#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 56023#L87-1 assume !(0 == mp_add_~i~0 % 256); 56050#L91-1 assume !(1 == mp_add_~i~0 % 256); 56046#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 56002#L93-1 assume !(3 == mp_add_~i~0 % 256); 55997#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 55995#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55993#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 55909#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 55846#L82 assume !(0 == mp_add_~i~0 % 256); 55599#L82-2 assume !(1 == mp_add_~i~0 % 256); 55593#L83-1 assume !(2 == mp_add_~i~0 % 256); 55595#L84-1 assume !(3 == mp_add_~i~0 % 256); 55972#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 55969#L87-1 assume !(0 == mp_add_~i~0 % 256); 55966#L91-1 assume !(1 == mp_add_~i~0 % 256); 55963#L92-1 assume !(2 == mp_add_~i~0 % 256); 55950#L93-1 assume !(3 == mp_add_~i~0 % 256); 55940#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 55939#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55935#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 55936#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 55892#L76-2 assume !(1 == mp_add_~i~0 % 256); 55893#L77-1 assume !(2 == mp_add_~i~0 % 256); 55884#L78-1 assume !(3 == mp_add_~i~0 % 256); 55885#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 55876#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 55877#L82-2 assume !(1 == mp_add_~i~0 % 256); 55868#L83-1 assume !(2 == mp_add_~i~0 % 256); 55869#L84-1 assume !(3 == mp_add_~i~0 % 256); 55858#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 55856#L87-1 [2021-08-27 14:37:05,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,728 INFO L82 PathProgramCache]: Analyzing trace with hash 389365736, now seen corresponding path program 3 times [2021-08-27 14:37:05,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853188064] [2021-08-27 14:37:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:05,740 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:05,753 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:05,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,753 INFO L82 PathProgramCache]: Analyzing trace with hash 527933431, now seen corresponding path program 1 times [2021-08-27 14:37:05,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996725203] [2021-08-27 14:37:05,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-08-27 14:37:05,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:05,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996725203] [2021-08-27 14:37:05,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996725203] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:05,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:37:05,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:37:05,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549469979] [2021-08-27 14:37:05,821 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:05,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:05,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 14:37:05,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 14:37:05,822 INFO L87 Difference]: Start difference. First operand 1094 states and 1361 transitions. cyclomatic complexity: 274 Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:05,915 INFO L93 Difference]: Finished difference Result 1270 states and 1564 transitions. [2021-08-27 14:37:05,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 14:37:05,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1270 states and 1564 transitions. [2021-08-27 14:37:05,918 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1109 [2021-08-27 14:37:05,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1270 states to 1269 states and 1563 transitions. [2021-08-27 14:37:05,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1269 [2021-08-27 14:37:05,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1269 [2021-08-27 14:37:05,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1269 states and 1563 transitions. [2021-08-27 14:37:05,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:05,928 INFO L681 BuchiCegarLoop]: Abstraction has 1269 states and 1563 transitions. [2021-08-27 14:37:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states and 1563 transitions. [2021-08-27 14:37:05,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1054. [2021-08-27 14:37:05,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1054 states have (on average 1.2324478178368121) internal successors, (1299), 1053 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:05,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1299 transitions. [2021-08-27 14:37:05,941 INFO L704 BuchiCegarLoop]: Abstraction has 1054 states and 1299 transitions. [2021-08-27 14:37:05,941 INFO L587 BuchiCegarLoop]: Abstraction has 1054 states and 1299 transitions. [2021-08-27 14:37:05,941 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-08-27 14:37:05,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1054 states and 1299 transitions. [2021-08-27 14:37:05,943 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 894 [2021-08-27 14:37:05,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:05,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:05,944 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,944 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:05,944 INFO L791 eck$LassoCheckResult]: Stem: 57689#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 57681#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 57674#L51 assume !(0 == mp_add_~a3~0 % 256); 57675#L51-1 mp_add_~nb~0 := 4; 57947#L61 assume !(0 == mp_add_~b3~0 % 256); 57946#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 57945#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 57944#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 57943#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 57941#L76-2 assume !(1 == mp_add_~i~0 % 256); 57942#L77-1 assume !(2 == mp_add_~i~0 % 256); 57937#L78-1 assume !(3 == mp_add_~i~0 % 256); 57938#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 57933#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 57934#L82-2 assume !(1 == mp_add_~i~0 % 256); 57929#L83-1 assume !(2 == mp_add_~i~0 % 256); 57930#L84-1 assume !(3 == mp_add_~i~0 % 256); 57925#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 57924#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 57922#L91-1 assume !(1 == mp_add_~i~0 % 256); 57923#L92-1 assume !(2 == mp_add_~i~0 % 256); 58688#L93-1 assume !(3 == mp_add_~i~0 % 256); 58686#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 57916#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 57917#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 57912#L76 assume !(0 == mp_add_~i~0 % 256); 57913#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 57967#L77-1 [2021-08-27 14:37:05,944 INFO L793 eck$LassoCheckResult]: Loop: 57967#L77-1 assume !(2 == mp_add_~i~0 % 256); 58024#L78-1 assume !(3 == mp_add_~i~0 % 256); 58023#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 58022#L82 assume !(0 == mp_add_~i~0 % 256); 58021#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 57957#L83-1 assume !(2 == mp_add_~i~0 % 256); 58020#L84-1 assume !(3 == mp_add_~i~0 % 256); 58018#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 58019#L87-1 assume !(0 == mp_add_~i~0 % 256); 58016#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 58015#L92-1 assume !(2 == mp_add_~i~0 % 256); 58014#L93-1 assume !(3 == mp_add_~i~0 % 256); 57850#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 57851#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 57843#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 57844#L76 assume !(0 == mp_add_~i~0 % 256); 57834#L76-2 assume !(1 == mp_add_~i~0 % 256); 57835#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 57964#L78-1 assume !(3 == mp_add_~i~0 % 256); 58008#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 58005#L82 assume !(0 == mp_add_~i~0 % 256); 57995#L82-2 assume !(1 == mp_add_~i~0 % 256); 57993#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 57955#L84-1 assume !(3 == mp_add_~i~0 % 256); 57983#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 57984#L87-1 assume !(0 == mp_add_~i~0 % 256); 58059#L91-1 assume !(1 == mp_add_~i~0 % 256); 58057#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 58054#L93-1 assume !(3 == mp_add_~i~0 % 256); 58033#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 58032#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 57971#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 57969#L76 assume !(0 == mp_add_~i~0 % 256); 58004#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 57967#L77-1 [2021-08-27 14:37:05,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1546560413, now seen corresponding path program 1 times [2021-08-27 14:37:05,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26759295] [2021-08-27 14:37:05,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:05,968 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:05,990 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:05,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:05,991 INFO L82 PathProgramCache]: Analyzing trace with hash 686997403, now seen corresponding path program 1 times [2021-08-27 14:37:05,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:05,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47291702] [2021-08-27 14:37:05,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:05,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:37:06,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:06,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47291702] [2021-08-27 14:37:06,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47291702] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:06,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404439713] [2021-08-27 14:37:06,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:06,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:06,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:06,100 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:06,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2021-08-27 14:37:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:06,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 14:37:06,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 14:37:06,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404439713] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:06,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 14:37:06,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-27 14:37:06,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678009752] [2021-08-27 14:37:06,566 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:06,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:06,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 14:37:06,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-27 14:37:06,567 INFO L87 Difference]: Start difference. First operand 1054 states and 1299 transitions. cyclomatic complexity: 252 Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:06,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:06,667 INFO L93 Difference]: Finished difference Result 1047 states and 1254 transitions. [2021-08-27 14:37:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 14:37:06,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1047 states and 1254 transitions. [2021-08-27 14:37:06,670 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 831 [2021-08-27 14:37:06,672 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1047 states to 988 states and 1188 transitions. [2021-08-27 14:37:06,672 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 988 [2021-08-27 14:37:06,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 988 [2021-08-27 14:37:06,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 988 states and 1188 transitions. [2021-08-27 14:37:06,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:06,673 INFO L681 BuchiCegarLoop]: Abstraction has 988 states and 1188 transitions. [2021-08-27 14:37:06,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states and 1188 transitions. [2021-08-27 14:37:06,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 862. [2021-08-27 14:37:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 862 states have (on average 1.2157772621809744) internal successors, (1048), 861 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1048 transitions. [2021-08-27 14:37:06,683 INFO L704 BuchiCegarLoop]: Abstraction has 862 states and 1048 transitions. [2021-08-27 14:37:06,683 INFO L587 BuchiCegarLoop]: Abstraction has 862 states and 1048 transitions. [2021-08-27 14:37:06,683 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-08-27 14:37:06,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 862 states and 1048 transitions. [2021-08-27 14:37:06,685 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 706 [2021-08-27 14:37:06,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:06,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:06,686 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:06,686 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:06,686 INFO L791 eck$LassoCheckResult]: Stem: 59899#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 59891#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 59884#L51 assume !(0 == mp_add_~a3~0 % 256); 59885#L51-1 mp_add_~nb~0 := 4; 60159#L61 assume !(0 == mp_add_~b3~0 % 256); 60158#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 60157#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 60156#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 60153#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 60151#L76-2 assume !(1 == mp_add_~i~0 % 256); 60152#L77-1 assume !(2 == mp_add_~i~0 % 256); 60147#L78-1 assume !(3 == mp_add_~i~0 % 256); 60148#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 60143#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 60144#L82-2 assume !(1 == mp_add_~i~0 % 256); 60139#L83-1 assume !(2 == mp_add_~i~0 % 256); 60140#L84-1 assume !(3 == mp_add_~i~0 % 256); 60135#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 60136#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 60635#L91-1 assume !(1 == mp_add_~i~0 % 256); 60131#L92-1 assume !(2 == mp_add_~i~0 % 256); 60130#L93-1 assume !(3 == mp_add_~i~0 % 256); 60129#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 60033#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 60034#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 59968#L76 assume !(0 == mp_add_~i~0 % 256); 60448#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 60200#L77-1 [2021-08-27 14:37:06,686 INFO L793 eck$LassoCheckResult]: Loop: 60200#L77-1 assume !(2 == mp_add_~i~0 % 256); 59952#L78-1 assume !(3 == mp_add_~i~0 % 256); 59953#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 60447#L82 assume !(0 == mp_add_~i~0 % 256); 60031#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 60032#L83-1 assume !(2 == mp_add_~i~0 % 256); 60445#L84-1 assume !(3 == mp_add_~i~0 % 256); 59944#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 59945#L87-1 assume !(0 == mp_add_~i~0 % 256); 60444#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 59932#L92-1 assume !(2 == mp_add_~i~0 % 256); 59933#L93-1 assume !(3 == mp_add_~i~0 % 256); 60443#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 60442#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 59926#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 59924#L76 assume !(0 == mp_add_~i~0 % 256); 59925#L76-2 assume !(1 == mp_add_~i~0 % 256); 60440#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 60197#L78-1 assume !(3 == mp_add_~i~0 % 256); 60433#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 60439#L82 assume !(0 == mp_add_~i~0 % 256); 60437#L82-2 assume !(1 == mp_add_~i~0 % 256); 60435#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 60188#L84-1 assume !(3 == mp_add_~i~0 % 256); 60434#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 60393#L87-1 assume !(0 == mp_add_~i~0 % 256); 60391#L91-1 assume !(1 == mp_add_~i~0 % 256); 60389#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 60274#L93-1 assume !(3 == mp_add_~i~0 % 256); 60386#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 60384#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 60381#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 60380#L76 assume !(0 == mp_add_~i~0 % 256); 60379#L76-2 assume !(1 == mp_add_~i~0 % 256); 60378#L77-1 assume !(2 == mp_add_~i~0 % 256); 60377#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 60194#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 60220#L82 assume !(0 == mp_add_~i~0 % 256); 60456#L82-2 assume !(1 == mp_add_~i~0 % 256); 60283#L83-1 assume !(2 == mp_add_~i~0 % 256); 60218#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 60184#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 60216#L87-1 assume !(0 == mp_add_~i~0 % 256); 60215#L91-1 assume !(1 == mp_add_~i~0 % 256); 60214#L92-1 assume !(2 == mp_add_~i~0 % 256); 60211#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 60208#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 60207#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 60205#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 60203#L76 assume !(0 == mp_add_~i~0 % 256); 60225#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 60200#L77-1 [2021-08-27 14:37:06,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:06,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1546560413, now seen corresponding path program 2 times [2021-08-27 14:37:06,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:06,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321739237] [2021-08-27 14:37:06,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:06,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:06,699 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:06,711 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:06,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:06,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1708178002, now seen corresponding path program 1 times [2021-08-27 14:37:06,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:06,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496097569] [2021-08-27 14:37:06,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:06,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-27 14:37:06,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:06,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496097569] [2021-08-27 14:37:06,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496097569] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:06,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:37:06,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:37:06,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729855905] [2021-08-27 14:37:06,763 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:06,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:06,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 14:37:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-27 14:37:06,764 INFO L87 Difference]: Start difference. First operand 862 states and 1048 transitions. cyclomatic complexity: 192 Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:06,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:06,930 INFO L93 Difference]: Finished difference Result 1054 states and 1261 transitions. [2021-08-27 14:37:06,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 14:37:06,931 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1054 states and 1261 transitions. [2021-08-27 14:37:06,933 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 875 [2021-08-27 14:37:06,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1054 states to 1052 states and 1259 transitions. [2021-08-27 14:37:06,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1052 [2021-08-27 14:37:06,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1052 [2021-08-27 14:37:06,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1052 states and 1259 transitions. [2021-08-27 14:37:06,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:06,937 INFO L681 BuchiCegarLoop]: Abstraction has 1052 states and 1259 transitions. [2021-08-27 14:37:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states and 1259 transitions. [2021-08-27 14:37:06,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 890. [2021-08-27 14:37:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 890 states have (on average 1.20561797752809) internal successors, (1073), 889 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1073 transitions. [2021-08-27 14:37:06,947 INFO L704 BuchiCegarLoop]: Abstraction has 890 states and 1073 transitions. [2021-08-27 14:37:06,947 INFO L587 BuchiCegarLoop]: Abstraction has 890 states and 1073 transitions. [2021-08-27 14:37:06,947 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-08-27 14:37:06,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 890 states and 1073 transitions. [2021-08-27 14:37:06,949 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 734 [2021-08-27 14:37:06,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:06,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:06,949 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:06,949 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:06,950 INFO L791 eck$LassoCheckResult]: Stem: 61825#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 61818#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 61811#L51 assume !(0 == mp_add_~a3~0 % 256); 61812#L51-1 mp_add_~nb~0 := 4; 62197#L61 assume !(0 == mp_add_~b3~0 % 256); 62196#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 62195#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 62194#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 62193#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 62192#L76-2 assume !(1 == mp_add_~i~0 % 256); 62191#L77-1 assume !(2 == mp_add_~i~0 % 256); 62190#L78-1 assume !(3 == mp_add_~i~0 % 256); 62189#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62188#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 62187#L82-2 assume !(1 == mp_add_~i~0 % 256); 62186#L83-1 assume !(2 == mp_add_~i~0 % 256); 62185#L84-1 assume !(3 == mp_add_~i~0 % 256); 62183#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 62184#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 62585#L91-1 assume !(1 == mp_add_~i~0 % 256); 62179#L92-1 assume !(2 == mp_add_~i~0 % 256); 62178#L93-1 assume !(3 == mp_add_~i~0 % 256); 62177#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 62175#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 62176#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 62070#L76 assume !(0 == mp_add_~i~0 % 256); 62066#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 62020#L77-1 [2021-08-27 14:37:06,950 INFO L793 eck$LassoCheckResult]: Loop: 62020#L77-1 assume !(2 == mp_add_~i~0 % 256); 62053#L78-1 assume !(3 == mp_add_~i~0 % 256); 62054#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62159#L82 assume !(0 == mp_add_~i~0 % 256); 62158#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 62011#L83-1 assume !(2 == mp_add_~i~0 % 256); 62052#L84-1 assume !(3 == mp_add_~i~0 % 256); 62043#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 62044#L87-1 assume !(0 == mp_add_~i~0 % 256); 61999#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 62000#L92-1 assume !(2 == mp_add_~i~0 % 256); 61995#L93-1 assume !(3 == mp_add_~i~0 % 256); 61996#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 61991#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 61992#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 61987#L76 assume !(0 == mp_add_~i~0 % 256); 61988#L76-2 assume !(1 == mp_add_~i~0 % 256); 61984#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 61980#L78-1 assume !(3 == mp_add_~i~0 % 256); 61981#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62123#L82 assume !(0 == mp_add_~i~0 % 256); 62122#L82-2 assume !(1 == mp_add_~i~0 % 256); 62120#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 62009#L84-1 assume !(3 == mp_add_~i~0 % 256); 62116#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 61982#L87-1 assume !(0 == mp_add_~i~0 % 256); 61983#L91-1 assume !(1 == mp_add_~i~0 % 256); 61958#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 61957#L93-1 assume !(3 == mp_add_~i~0 % 256); 61949#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 61945#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 61941#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 61938#L76 assume !(0 == mp_add_~i~0 % 256); 61935#L76-2 assume !(1 == mp_add_~i~0 % 256); 61930#L77-1 assume !(2 == mp_add_~i~0 % 256); 61931#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 62035#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62095#L82 assume !(0 == mp_add_~i~0 % 256); 62100#L82-2 assume !(1 == mp_add_~i~0 % 256); 62096#L83-1 assume !(2 == mp_add_~i~0 % 256); 62094#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 61886#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 61884#L87-1 assume !(0 == mp_add_~i~0 % 256); 61885#L91-1 assume !(1 == mp_add_~i~0 % 256); 61880#L92-1 assume !(2 == mp_add_~i~0 % 256); 61881#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 61872#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 61873#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 61867#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 61869#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62209#L82 assume !(0 == mp_add_~i~0 % 256); 62206#L82-2 assume !(1 == mp_add_~i~0 % 256); 62204#L83-1 assume !(2 == mp_add_~i~0 % 256); 62202#L84-1 assume !(3 == mp_add_~i~0 % 256); 62200#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 62201#L87-1 assume !(0 == mp_add_~i~0 % 256); 62102#L91-1 assume !(1 == mp_add_~i~0 % 256); 62097#L92-1 assume !(2 == mp_add_~i~0 % 256); 62099#L93-1 assume !(3 == mp_add_~i~0 % 256); 62025#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 62024#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 62022#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 62021#L76 assume !(0 == mp_add_~i~0 % 256); 62019#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 62020#L77-1 [2021-08-27 14:37:06,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:06,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1546560413, now seen corresponding path program 3 times [2021-08-27 14:37:06,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:06,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998173073] [2021-08-27 14:37:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:06,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:06,962 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:06,974 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:06,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:06,975 INFO L82 PathProgramCache]: Analyzing trace with hash -30286805, now seen corresponding path program 1 times [2021-08-27 14:37:06,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:06,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557624512] [2021-08-27 14:37:06,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:06,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 56 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-08-27 14:37:07,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:07,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557624512] [2021-08-27 14:37:07,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557624512] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:07,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055022969] [2021-08-27 14:37:07,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:07,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:07,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:07,028 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:07,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2021-08-27 14:37:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:07,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 14:37:07,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-27 14:37:07,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055022969] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:07,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:37:07,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 9 [2021-08-27 14:37:07,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890173118] [2021-08-27 14:37:07,696 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:07,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:07,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 14:37:07,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-08-27 14:37:07,697 INFO L87 Difference]: Start difference. First operand 890 states and 1073 transitions. cyclomatic complexity: 189 Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:08,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:08,541 INFO L93 Difference]: Finished difference Result 1068 states and 1230 transitions. [2021-08-27 14:37:08,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-27 14:37:08,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1068 states and 1230 transitions. [2021-08-27 14:37:08,544 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 701 [2021-08-27 14:37:08,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1068 states to 1034 states and 1196 transitions. [2021-08-27 14:37:08,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1034 [2021-08-27 14:37:08,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1034 [2021-08-27 14:37:08,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1034 states and 1196 transitions. [2021-08-27 14:37:08,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:08,546 INFO L681 BuchiCegarLoop]: Abstraction has 1034 states and 1196 transitions. [2021-08-27 14:37:08,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states and 1196 transitions. [2021-08-27 14:37:08,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 746. [2021-08-27 14:37:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 746 states have (on average 1.17828418230563) internal successors, (879), 745 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:08,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 879 transitions. [2021-08-27 14:37:08,555 INFO L704 BuchiCegarLoop]: Abstraction has 746 states and 879 transitions. [2021-08-27 14:37:08,555 INFO L587 BuchiCegarLoop]: Abstraction has 746 states and 879 transitions. [2021-08-27 14:37:08,555 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-08-27 14:37:08,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 746 states and 879 transitions. [2021-08-27 14:37:08,557 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 540 [2021-08-27 14:37:08,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:08,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:08,557 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:08,557 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:08,557 INFO L791 eck$LassoCheckResult]: Stem: 64056#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 64049#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 64042#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 64044#L53 assume !(0 == mp_add_~a2~0 % 256); 64078#L51-1 mp_add_~nb~0 := 4; 64328#L61 assume !(0 == mp_add_~b3~0 % 256); 64327#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 64326#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64325#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 64324#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 64323#L76-2 assume !(1 == mp_add_~i~0 % 256); 64322#L77-1 assume !(2 == mp_add_~i~0 % 256); 64321#L78-1 assume !(3 == mp_add_~i~0 % 256); 64320#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64319#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 64318#L82-2 assume !(1 == mp_add_~i~0 % 256); 64317#L83-1 assume !(2 == mp_add_~i~0 % 256); 64316#L84-1 assume !(3 == mp_add_~i~0 % 256); 64314#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 64315#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 64524#L91-1 assume !(1 == mp_add_~i~0 % 256); 64310#L92-1 assume !(2 == mp_add_~i~0 % 256); 64309#L93-1 assume !(3 == mp_add_~i~0 % 256); 64308#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64306#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64307#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 64304#L76 assume !(0 == mp_add_~i~0 % 256); 64303#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 64090#L77-1 [2021-08-27 14:37:08,557 INFO L793 eck$LassoCheckResult]: Loop: 64090#L77-1 assume !(2 == mp_add_~i~0 % 256); 64302#L78-1 assume !(3 == mp_add_~i~0 % 256); 64301#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64300#L82 assume !(0 == mp_add_~i~0 % 256); 64299#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 64270#L83-1 assume !(2 == mp_add_~i~0 % 256); 64298#L84-1 assume !(3 == mp_add_~i~0 % 256); 64297#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 64296#L87-1 assume !(0 == mp_add_~i~0 % 256); 64295#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 64263#L92-1 assume !(2 == mp_add_~i~0 % 256); 64294#L93-1 assume !(3 == mp_add_~i~0 % 256); 64293#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64292#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64290#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 64291#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64380#L82 assume !(0 == mp_add_~i~0 % 256); 64378#L82-2 assume !(1 == mp_add_~i~0 % 256); 64377#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 64217#L84-1 assume !(3 == mp_add_~i~0 % 256); 64374#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 64373#L87-1 assume !(0 == mp_add_~i~0 % 256); 64372#L91-1 assume !(1 == mp_add_~i~0 % 256); 64371#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 64331#L93-1 assume !(3 == mp_add_~i~0 % 256); 64366#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64365#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64364#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 64363#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64362#L82 assume !(0 == mp_add_~i~0 % 256); 64360#L82-2 assume !(1 == mp_add_~i~0 % 256); 64359#L83-1 assume !(2 == mp_add_~i~0 % 256); 64358#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 64357#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 64356#L87-1 assume !(0 == mp_add_~i~0 % 256); 64355#L91-1 assume !(1 == mp_add_~i~0 % 256); 64354#L92-1 assume !(2 == mp_add_~i~0 % 256); 64353#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 64342#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64352#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64351#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 64350#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64349#L82 assume !(0 == mp_add_~i~0 % 256); 64348#L82-2 assume !(1 == mp_add_~i~0 % 256); 64347#L83-1 assume !(2 == mp_add_~i~0 % 256); 64346#L84-1 assume !(3 == mp_add_~i~0 % 256); 64345#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 64344#L87-1 assume !(0 == mp_add_~i~0 % 256); 64343#L91-1 assume !(1 == mp_add_~i~0 % 256); 64201#L92-1 assume !(2 == mp_add_~i~0 % 256); 64202#L93-1 assume !(3 == mp_add_~i~0 % 256); 64165#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64166#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64161#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 64162#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64341#L82 assume !(0 == mp_add_~i~0 % 256); 64340#L82-2 assume !(1 == mp_add_~i~0 % 256); 64339#L83-1 assume !(2 == mp_add_~i~0 % 256); 64146#L84-1 assume !(3 == mp_add_~i~0 % 256); 64148#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 64142#L87-1 assume !(0 == mp_add_~i~0 % 256); 64143#L91-1 assume !(1 == mp_add_~i~0 % 256); 64104#L92-1 assume !(2 == mp_add_~i~0 % 256); 64106#L93-1 assume !(3 == mp_add_~i~0 % 256); 64096#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64095#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64093#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 64092#L76 assume !(0 == mp_add_~i~0 % 256); 64089#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 64090#L77-1 [2021-08-27 14:37:08,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:08,558 INFO L82 PathProgramCache]: Analyzing trace with hash -2142587749, now seen corresponding path program 1 times [2021-08-27 14:37:08,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:08,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866430404] [2021-08-27 14:37:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:08,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:08,572 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:08,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:08,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:08,587 INFO L82 PathProgramCache]: Analyzing trace with hash 2056653998, now seen corresponding path program 1 times [2021-08-27 14:37:08,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:08,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438566623] [2021-08-27 14:37:08,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:08,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-08-27 14:37:08,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:08,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438566623] [2021-08-27 14:37:08,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438566623] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:08,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:37:08,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:37:08,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511049564] [2021-08-27 14:37:08,684 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:08,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:08,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 14:37:08,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-27 14:37:08,684 INFO L87 Difference]: Start difference. First operand 746 states and 879 transitions. cyclomatic complexity: 141 Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:08,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:08,809 INFO L93 Difference]: Finished difference Result 750 states and 871 transitions. [2021-08-27 14:37:08,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 14:37:08,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 750 states and 871 transitions. [2021-08-27 14:37:08,811 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 500 [2021-08-27 14:37:08,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 750 states to 750 states and 871 transitions. [2021-08-27 14:37:08,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 750 [2021-08-27 14:37:08,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 750 [2021-08-27 14:37:08,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 750 states and 871 transitions. [2021-08-27 14:37:08,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:08,814 INFO L681 BuchiCegarLoop]: Abstraction has 750 states and 871 transitions. [2021-08-27 14:37:08,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states and 871 transitions. [2021-08-27 14:37:08,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 732. [2021-08-27 14:37:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 732 states have (on average 1.1625683060109289) internal successors, (851), 731 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 851 transitions. [2021-08-27 14:37:08,822 INFO L704 BuchiCegarLoop]: Abstraction has 732 states and 851 transitions. [2021-08-27 14:37:08,822 INFO L587 BuchiCegarLoop]: Abstraction has 732 states and 851 transitions. [2021-08-27 14:37:08,822 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-08-27 14:37:08,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 732 states and 851 transitions. [2021-08-27 14:37:08,824 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 485 [2021-08-27 14:37:08,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:08,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:08,824 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:08,824 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:08,825 INFO L791 eck$LassoCheckResult]: Stem: 65562#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 65552#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 65545#L51 assume !(0 == mp_add_~a3~0 % 256); 65546#L51-1 mp_add_~nb~0 := 4; 65772#L61 assume !(0 == mp_add_~b3~0 % 256); 65771#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 65770#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 65769#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 65768#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 65767#L76-2 assume !(1 == mp_add_~i~0 % 256); 65766#L77-1 assume !(2 == mp_add_~i~0 % 256); 65765#L78-1 assume !(3 == mp_add_~i~0 % 256); 65764#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 65763#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 65762#L82-2 assume !(1 == mp_add_~i~0 % 256); 65761#L83-1 assume !(2 == mp_add_~i~0 % 256); 65760#L84-1 assume !(3 == mp_add_~i~0 % 256); 65606#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 65605#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 65604#L91-1 assume !(1 == mp_add_~i~0 % 256); 65603#L92-1 assume !(2 == mp_add_~i~0 % 256); 65601#L93-1 assume !(3 == mp_add_~i~0 % 256); 65602#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 65597#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 65598#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 65594#L76 assume !(0 == mp_add_~i~0 % 256); 65592#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 65593#L77-1 assume !(2 == mp_add_~i~0 % 256); 66046#L78-1 assume !(3 == mp_add_~i~0 % 256); 66044#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 66045#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 66252#L87-1 assume !(0 == mp_add_~i~0 % 256); 66251#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 66250#L92-1 assume !(2 == mp_add_~i~0 % 256); 66249#L93-1 assume !(3 == mp_add_~i~0 % 256); 66248#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 66247#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 66246#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 66244#L76 assume !(0 == mp_add_~i~0 % 256); 66242#L76-2 assume !(1 == mp_add_~i~0 % 256); 66237#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 66238#L78-1 [2021-08-27 14:37:08,825 INFO L793 eck$LassoCheckResult]: Loop: 66238#L78-1 assume !(3 == mp_add_~i~0 % 256); 66270#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 66050#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 66267#L87-1 assume !(0 == mp_add_~i~0 % 256); 65543#L91-1 assume !(1 == mp_add_~i~0 % 256); 65544#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 65560#L93-1 assume !(3 == mp_add_~i~0 % 256); 65561#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 66253#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 66254#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 65584#L76 assume !(0 == mp_add_~i~0 % 256); 65585#L76-2 assume !(1 == mp_add_~i~0 % 256); 65565#L77-1 assume !(2 == mp_add_~i~0 % 256); 65566#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 66265#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 65567#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 65568#L87-1 assume !(0 == mp_add_~i~0 % 256); 66274#L91-1 assume !(1 == mp_add_~i~0 % 256); 66273#L92-1 assume !(2 == mp_add_~i~0 % 256); 66272#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 66259#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 66271#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 66245#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 66243#L76 assume !(0 == mp_add_~i~0 % 256); 66241#L76-2 assume !(1 == mp_add_~i~0 % 256); 66239#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 66238#L78-1 [2021-08-27 14:37:08,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:08,825 INFO L82 PathProgramCache]: Analyzing trace with hash -480796897, now seen corresponding path program 1 times [2021-08-27 14:37:08,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:08,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856468593] [2021-08-27 14:37:08,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:08,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:37:08,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:08,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856468593] [2021-08-27 14:37:08,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856468593] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:08,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886985811] [2021-08-27 14:37:08,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:08,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:08,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:08,921 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:08,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2021-08-27 14:37:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:09,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 14:37:09,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-27 14:37:09,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886985811] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:09,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:37:09,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 9 [2021-08-27 14:37:09,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001089069] [2021-08-27 14:37:09,585 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:37:09,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:09,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1681982875, now seen corresponding path program 1 times [2021-08-27 14:37:09,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:09,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825661242] [2021-08-27 14:37:09,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:09,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:37:09,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:09,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825661242] [2021-08-27 14:37:09,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825661242] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:09,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937936373] [2021-08-27 14:37:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:09,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:09,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:09,644 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:09,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2021-08-27 14:37:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:10,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 14:37:10,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 14:37:10,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937936373] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:10,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 14:37:10,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-08-27 14:37:10,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641982528] [2021-08-27 14:37:10,122 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:10,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:10,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 14:37:10,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-08-27 14:37:10,123 INFO L87 Difference]: Start difference. First operand 732 states and 851 transitions. cyclomatic complexity: 127 Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:10,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:10,220 INFO L93 Difference]: Finished difference Result 794 states and 890 transitions. [2021-08-27 14:37:10,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 14:37:10,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 794 states and 890 transitions. [2021-08-27 14:37:10,222 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 511 [2021-08-27 14:37:10,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 794 states to 790 states and 886 transitions. [2021-08-27 14:37:10,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 790 [2021-08-27 14:37:10,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 790 [2021-08-27 14:37:10,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 790 states and 886 transitions. [2021-08-27 14:37:10,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:10,224 INFO L681 BuchiCegarLoop]: Abstraction has 790 states and 886 transitions. [2021-08-27 14:37:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states and 886 transitions. [2021-08-27 14:37:10,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 700. [2021-08-27 14:37:10,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 700 states have (on average 1.1328571428571428) internal successors, (793), 699 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 793 transitions. [2021-08-27 14:37:10,232 INFO L704 BuchiCegarLoop]: Abstraction has 700 states and 793 transitions. [2021-08-27 14:37:10,232 INFO L587 BuchiCegarLoop]: Abstraction has 700 states and 793 transitions. [2021-08-27 14:37:10,232 INFO L425 BuchiCegarLoop]: ======== Iteration 26============ [2021-08-27 14:37:10,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 700 states and 793 transitions. [2021-08-27 14:37:10,233 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 457 [2021-08-27 14:37:10,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:10,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:10,234 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:10,234 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-08-27 14:37:10,234 INFO L791 eck$LassoCheckResult]: Stem: 67301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 67290#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 67282#L51 assume !(0 == mp_add_~a3~0 % 256); 67283#L51-1 mp_add_~nb~0 := 4; 67549#L61 assume !(0 == mp_add_~b3~0 % 256); 67548#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 67547#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67546#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67545#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 67544#L76-2 assume !(1 == mp_add_~i~0 % 256); 67543#L77-1 assume !(2 == mp_add_~i~0 % 256); 67542#L78-1 assume !(3 == mp_add_~i~0 % 256); 67541#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 67540#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 67539#L82-2 assume !(1 == mp_add_~i~0 % 256); 67538#L83-1 assume !(2 == mp_add_~i~0 % 256); 67537#L84-1 assume !(3 == mp_add_~i~0 % 256); 67346#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 67344#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 67345#L91-1 assume !(1 == mp_add_~i~0 % 256); 67340#L92-1 assume !(2 == mp_add_~i~0 % 256); 67341#L93-1 assume !(3 == mp_add_~i~0 % 256); 67336#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67337#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67332#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67333#L76 assume !(0 == mp_add_~i~0 % 256); 67328#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 67329#L77-1 assume !(2 == mp_add_~i~0 % 256); 67760#L78-1 assume !(3 == mp_add_~i~0 % 256); 67758#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 67759#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 67944#L87-1 assume !(0 == mp_add_~i~0 % 256); 67943#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 67942#L92-1 assume !(2 == mp_add_~i~0 % 256); 67941#L93-1 assume !(3 == mp_add_~i~0 % 256); 67939#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67937#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67935#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67933#L76 assume !(0 == mp_add_~i~0 % 256); 67931#L76-2 assume !(1 == mp_add_~i~0 % 256); 67927#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 67928#L78-1 [2021-08-27 14:37:10,234 INFO L793 eck$LassoCheckResult]: Loop: 67928#L78-1 assume !(3 == mp_add_~i~0 % 256); 67977#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 67728#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 67976#L87-1 assume !(0 == mp_add_~i~0 % 256); 67975#L91-1 assume !(1 == mp_add_~i~0 % 256); 67974#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 67772#L93-1 assume !(3 == mp_add_~i~0 % 256); 67963#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67964#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67326#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67327#L76 assume !(0 == mp_add_~i~0 % 256); 67302#L76-2 assume !(1 == mp_add_~i~0 % 256); 67303#L77-1 assume !(2 == mp_add_~i~0 % 256); 67973#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 67967#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 67971#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 67970#L87-1 assume !(0 == mp_add_~i~0 % 256); 67969#L91-1 assume !(1 == mp_add_~i~0 % 256); 67968#L92-1 assume !(2 == mp_add_~i~0 % 256); 67966#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 67296#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67297#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67962#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67960#L76 assume !(0 == mp_add_~i~0 % 256); 67959#L76-2 assume !(1 == mp_add_~i~0 % 256); 67958#L77-1 assume !(2 == mp_add_~i~0 % 256); 67956#L78-1 assume !(3 == mp_add_~i~0 % 256); 67957#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 67952#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 67953#L87-1 assume !(0 == mp_add_~i~0 % 256); 67948#L91-1 assume !(1 == mp_add_~i~0 % 256); 67949#L92-1 assume !(2 == mp_add_~i~0 % 256); 67945#L93-1 assume !(3 == mp_add_~i~0 % 256); 67940#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67938#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67936#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67934#L76 assume !(0 == mp_add_~i~0 % 256); 67932#L76-2 assume !(1 == mp_add_~i~0 % 256); 67929#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 67928#L78-1 [2021-08-27 14:37:10,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:10,234 INFO L82 PathProgramCache]: Analyzing trace with hash -480796897, now seen corresponding path program 2 times [2021-08-27 14:37:10,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:10,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770502691] [2021-08-27 14:37:10,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:10,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:10,318 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:37:10,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:10,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770502691] [2021-08-27 14:37:10,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770502691] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:10,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137855792] [2021-08-27 14:37:10,318 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 14:37:10,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:10,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:10,325 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:10,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2021-08-27 14:37:10,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-27 14:37:10,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 14:37:10,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 14:37:10,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-27 14:37:10,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137855792] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:10,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:37:10,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 9 [2021-08-27 14:37:10,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838053654] [2021-08-27 14:37:10,995 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:37:10,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:10,996 INFO L82 PathProgramCache]: Analyzing trace with hash 511778416, now seen corresponding path program 2 times [2021-08-27 14:37:10,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:10,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375430927] [2021-08-27 14:37:10,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:10,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:37:11,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:11,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375430927] [2021-08-27 14:37:11,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375430927] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:11,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922293192] [2021-08-27 14:37:11,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 14:37:11,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:11,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:11,057 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:11,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-08-27 14:37:11,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-27 14:37:11,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 14:37:11,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 14:37:11,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-08-27 14:37:11,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922293192] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:37:11,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 14:37:11,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2021-08-27 14:37:11,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240129919] [2021-08-27 14:37:11,743 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:37:11,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:11,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 14:37:11,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-27 14:37:11,744 INFO L87 Difference]: Start difference. First operand 700 states and 793 transitions. cyclomatic complexity: 101 Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:12,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:12,050 INFO L93 Difference]: Finished difference Result 658 states and 701 transitions. [2021-08-27 14:37:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 14:37:12,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 658 states and 701 transitions. [2021-08-27 14:37:12,051 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 137 [2021-08-27 14:37:12,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 658 states to 650 states and 693 transitions. [2021-08-27 14:37:12,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 650 [2021-08-27 14:37:12,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 650 [2021-08-27 14:37:12,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 650 states and 693 transitions. [2021-08-27 14:37:12,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:12,053 INFO L681 BuchiCegarLoop]: Abstraction has 650 states and 693 transitions. [2021-08-27 14:37:12,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states and 693 transitions. [2021-08-27 14:37:12,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 411. [2021-08-27 14:37:12,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 411 states have (on average 1.0827250608272505) internal successors, (445), 410 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 445 transitions. [2021-08-27 14:37:12,057 INFO L704 BuchiCegarLoop]: Abstraction has 411 states and 445 transitions. [2021-08-27 14:37:12,057 INFO L587 BuchiCegarLoop]: Abstraction has 411 states and 445 transitions. [2021-08-27 14:37:12,057 INFO L425 BuchiCegarLoop]: ======== Iteration 27============ [2021-08-27 14:37:12,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 411 states and 445 transitions. [2021-08-27 14:37:12,058 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-08-27 14:37:12,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:12,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:12,059 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:12,059 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:12,059 INFO L791 eck$LassoCheckResult]: Stem: 68915#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 68908#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 68901#L51 assume !(0 == mp_add_~a3~0 % 256); 68902#L51-1 mp_add_~nb~0 := 4; 68982#L61 assume !(0 == mp_add_~b3~0 % 256); 68981#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 68980#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 68979#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 68978#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 68977#L76-2 assume !(1 == mp_add_~i~0 % 256); 68976#L77-1 assume !(2 == mp_add_~i~0 % 256); 68975#L78-1 assume !(3 == mp_add_~i~0 % 256); 68974#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 68973#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 68972#L82-2 assume !(1 == mp_add_~i~0 % 256); 68971#L83-1 assume !(2 == mp_add_~i~0 % 256); 68970#L84-1 assume !(3 == mp_add_~i~0 % 256); 68969#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 68968#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 68967#L91-1 assume !(1 == mp_add_~i~0 % 256); 68966#L92-1 assume !(2 == mp_add_~i~0 % 256); 68965#L93-1 assume !(3 == mp_add_~i~0 % 256); 68964#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 68963#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 68962#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 68961#L76 assume !(0 == mp_add_~i~0 % 256); 68960#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 68959#L77-1 assume !(2 == mp_add_~i~0 % 256); 68958#L78-1 assume !(3 == mp_add_~i~0 % 256); 68956#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 68952#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 68953#L87-1 assume !(0 == mp_add_~i~0 % 256); 68948#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 68949#L92-1 assume !(2 == mp_add_~i~0 % 256); 68944#L93-1 assume !(3 == mp_add_~i~0 % 256); 68945#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 68940#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 68941#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 68936#L76 assume !(0 == mp_add_~i~0 % 256); 68937#L76-2 assume !(1 == mp_add_~i~0 % 256); 68932#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 68933#L78-1 assume !(3 == mp_add_~i~0 % 256); 69239#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 69187#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 69238#L87-1 assume !(0 == mp_add_~i~0 % 256); 69237#L91-1 assume !(1 == mp_add_~i~0 % 256); 69236#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 69235#L93-1 assume !(3 == mp_add_~i~0 % 256); 69234#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 69233#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 69232#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 69231#L76 assume !(0 == mp_add_~i~0 % 256); 69230#L76-2 assume !(1 == mp_add_~i~0 % 256); 69229#L77-1 assume !(2 == mp_add_~i~0 % 256); 69226#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 69227#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 69254#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 69307#L87-1 assume !(0 == mp_add_~i~0 % 256); 69259#L91-1 assume !(1 == mp_add_~i~0 % 256); 69260#L92-1 assume !(2 == mp_add_~i~0 % 256); 69256#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 68912#L94-1 [2021-08-27 14:37:12,059 INFO L793 eck$LassoCheckResult]: Loop: 68912#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 68906#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 68907#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 68930#L76 assume !(0 == mp_add_~i~0 % 256); 68916#L76-2 assume !(1 == mp_add_~i~0 % 256); 68917#L77-1 assume !(2 == mp_add_~i~0 % 256); 68918#L78-1 assume !(3 == mp_add_~i~0 % 256); 68922#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 69263#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 69262#L87-1 assume !(0 == mp_add_~i~0 % 256); 69255#L91-1 assume !(1 == mp_add_~i~0 % 256); 68897#L92-1 assume !(2 == mp_add_~i~0 % 256); 68898#L93-1 assume !(3 == mp_add_~i~0 % 256); 68912#L94-1 [2021-08-27 14:37:12,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1762667543, now seen corresponding path program 1 times [2021-08-27 14:37:12,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:12,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198723515] [2021-08-27 14:37:12,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:12,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-27 14:37:12,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:12,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198723515] [2021-08-27 14:37:12,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198723515] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:12,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577317615] [2021-08-27 14:37:12,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:12,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:12,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:12,153 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:12,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2021-08-27 14:37:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:12,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 14:37:12,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-27 14:37:12,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577317615] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:12,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:37:12,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-08-27 14:37:12,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767092644] [2021-08-27 14:37:12,965 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:37:12,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:12,966 INFO L82 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 1 times [2021-08-27 14:37:12,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:12,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117547283] [2021-08-27 14:37:12,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:12,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:12,970 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:12,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:13,077 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:37:13,077 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:37:13,077 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:37:13,077 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:37:13,077 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:37:13,078 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:13,078 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:37:13,078 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:37:13,078 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration27_Loop [2021-08-27 14:37:13,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:37:13,078 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:37:13,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:13,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:13,286 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:37:13,286 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:37:13,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:13,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:13,287 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:13,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-08-27 14:37:13,289 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:37:13,289 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:13,302 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:37:13,302 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:37:13,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-08-27 14:37:13,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:13,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:13,318 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:13,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-08-27 14:37:13,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:37:13,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:13,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:13,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:13,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:13,378 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:13,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-08-27 14:37:13,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:37:13,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:14,009 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:37:14,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:14,014 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:37:14,014 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:37:14,014 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:37:14,014 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:37:14,014 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:37:14,014 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,014 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:37:14,014 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:37:14,014 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration27_Loop [2021-08-27 14:37:14,014 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:37:14,014 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:37:14,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:14,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:14,214 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:37:14,214 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:37:14,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,215 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-08-27 14:37:14,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:14,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:37:14,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:37:14,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-08-27 14:37:14,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,245 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-08-27 14:37:14,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:14,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:37:14,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:37:14,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-08-27 14:37:14,273 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 14:37:14,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,273 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-08-27 14:37:14,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:14,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,281 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:14,283 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:14,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-08-27 14:37:14,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,302 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-08-27 14:37:14,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:14,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,310 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:14,313 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:14,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-08-27 14:37:14,336 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 14:37:14,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,337 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-08-27 14:37:14,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:14,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,345 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:14,347 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:14,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-08-27 14:37:14,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,370 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-08-27 14:37:14,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:14,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,379 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:14,383 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:14,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-08-27 14:37:14,404 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 14:37:14,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,405 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-08-27 14:37:14,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:14,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,413 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:14,415 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:14,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-08-27 14:37:14,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,436 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-08-27 14:37:14,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:14,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,446 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:14,451 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:14,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-08-27 14:37:14,472 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 14:37:14,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,473 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-08-27 14:37:14,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,481 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,481 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:14,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,481 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:14,485 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:14,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:14,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,505 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-08-27 14:37:14,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,514 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,515 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:14,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,515 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:14,518 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:14,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-08-27 14:37:14,545 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 14:37:14,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,546 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-08-27 14:37:14,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,554 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,554 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:37:14,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,555 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:14,557 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:14,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-08-27 14:37:14,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,578 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-08-27 14:37:14,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,587 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,587 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:37:14,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,587 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:14,598 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:14,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:14,622 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 14:37:14,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,623 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-08-27 14:37:14,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,631 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,631 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:14,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,631 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:14,634 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:14,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-08-27 14:37:14,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,657 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-08-27 14:37:14,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,666 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,666 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:14,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,666 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:14,673 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:14,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-08-27 14:37:14,702 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 14:37:14,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,703 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-08-27 14:37:14,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,710 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,711 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:14,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,711 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:14,713 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:14,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-08-27 14:37:14,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,733 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-08-27 14:37:14,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,740 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:14,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:14,748 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:14,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:14,769 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 14:37:14,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,770 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-08-27 14:37:14,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,778 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:14,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,778 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:37:14,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:37:14,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-08-27 14:37:14,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:14,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:14,804 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:14,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-08-27 14:37:14,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:14,812 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:14,812 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:14,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:14,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:14,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:14,813 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:37:14,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:37:14,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:14,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:14,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-08-27 14:37:14,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:14,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 14:37:14,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-08-27 14:37:14,844 INFO L87 Difference]: Start difference. First operand 411 states and 445 transitions. cyclomatic complexity: 37 Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:14,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:14,944 INFO L93 Difference]: Finished difference Result 398 states and 430 transitions. [2021-08-27 14:37:14,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 14:37:14,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 398 states and 430 transitions. [2021-08-27 14:37:14,945 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-08-27 14:37:14,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 398 states to 398 states and 430 transitions. [2021-08-27 14:37:14,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 398 [2021-08-27 14:37:14,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 398 [2021-08-27 14:37:14,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 398 states and 430 transitions. [2021-08-27 14:37:14,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:14,946 INFO L681 BuchiCegarLoop]: Abstraction has 398 states and 430 transitions. [2021-08-27 14:37:14,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states and 430 transitions. [2021-08-27 14:37:14,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2021-08-27 14:37:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 398 states have (on average 1.0804020100502512) internal successors, (430), 397 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:14,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 430 transitions. [2021-08-27 14:37:14,950 INFO L704 BuchiCegarLoop]: Abstraction has 398 states and 430 transitions. [2021-08-27 14:37:14,950 INFO L587 BuchiCegarLoop]: Abstraction has 398 states and 430 transitions. [2021-08-27 14:37:14,950 INFO L425 BuchiCegarLoop]: ======== Iteration 28============ [2021-08-27 14:37:14,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 398 states and 430 transitions. [2021-08-27 14:37:14,951 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-08-27 14:37:14,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:14,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:14,951 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:14,951 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:14,951 INFO L791 eck$LassoCheckResult]: Stem: 69918#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 69909#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 69902#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 69904#L53 assume !(0 == mp_add_~a2~0 % 256); 69938#L51-1 mp_add_~nb~0 := 4; 70050#L61 assume !(0 == mp_add_~b3~0 % 256); 70049#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 70048#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 70047#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 70046#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 70045#L76-2 assume !(1 == mp_add_~i~0 % 256); 70044#L77-1 assume !(2 == mp_add_~i~0 % 256); 70043#L78-1 assume !(3 == mp_add_~i~0 % 256); 70042#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 70041#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 70040#L82-2 assume !(1 == mp_add_~i~0 % 256); 70039#L83-1 assume !(2 == mp_add_~i~0 % 256); 70038#L84-1 assume !(3 == mp_add_~i~0 % 256); 70036#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 70037#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 70070#L91-1 assume !(1 == mp_add_~i~0 % 256); 70069#L92-1 assume !(2 == mp_add_~i~0 % 256); 70022#L93-1 assume !(3 == mp_add_~i~0 % 256); 70023#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 70014#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 70015#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 70059#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 70060#L82 assume !(0 == mp_add_~i~0 % 256); 70055#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 70056#L83-1 assume !(2 == mp_add_~i~0 % 256); 70051#L84-1 assume !(3 == mp_add_~i~0 % 256); 70052#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 70031#L87-1 assume !(0 == mp_add_~i~0 % 256); 70032#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 70024#L92-1 assume !(2 == mp_add_~i~0 % 256); 70025#L93-1 assume !(3 == mp_add_~i~0 % 256); 70016#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 70017#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 69947#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 69948#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 69942#L82 assume !(0 == mp_add_~i~0 % 256); 69943#L82-2 assume !(1 == mp_add_~i~0 % 256); 69939#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 69927#L84-1 assume !(3 == mp_add_~i~0 % 256); 69922#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 69910#L87-1 assume !(0 == mp_add_~i~0 % 256); 69899#L91-1 assume !(1 == mp_add_~i~0 % 256); 69900#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 69901#L93-1 assume !(3 == mp_add_~i~0 % 256); 69917#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 69907#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 69908#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 70112#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 70113#L82 assume !(0 == mp_add_~i~0 % 256); 69930#L82-2 assume !(1 == mp_add_~i~0 % 256); 69931#L83-1 assume !(2 == mp_add_~i~0 % 256); 70291#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 70290#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 70289#L87-1 assume !(0 == mp_add_~i~0 % 256); 70288#L91-1 assume !(1 == mp_add_~i~0 % 256); 70287#L92-1 assume !(2 == mp_add_~i~0 % 256); 70286#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 69913#L94-1 [2021-08-27 14:37:14,951 INFO L793 eck$LassoCheckResult]: Loop: 69913#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 69914#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 69932#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 69933#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 69923#L82 assume !(0 == mp_add_~i~0 % 256); 69924#L82-2 assume !(1 == mp_add_~i~0 % 256); 69935#L83-1 assume !(2 == mp_add_~i~0 % 256); 69936#L84-1 assume !(3 == mp_add_~i~0 % 256); 70296#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 70295#L87-1 assume !(0 == mp_add_~i~0 % 256); 70294#L91-1 assume !(1 == mp_add_~i~0 % 256); 70293#L92-1 assume !(2 == mp_add_~i~0 % 256); 70292#L93-1 assume !(3 == mp_add_~i~0 % 256); 69913#L94-1 [2021-08-27 14:37:14,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:14,952 INFO L82 PathProgramCache]: Analyzing trace with hash 866077905, now seen corresponding path program 1 times [2021-08-27 14:37:14,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:14,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218515609] [2021-08-27 14:37:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:14,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-08-27 14:37:15,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:15,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218515609] [2021-08-27 14:37:15,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218515609] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:15,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755781332] [2021-08-27 14:37:15,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:15,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:15,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:15,049 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:15,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2021-08-27 14:37:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:15,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 14:37:15,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-08-27 14:37:16,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755781332] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:16,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:37:16,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-08-27 14:37:16,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884962964] [2021-08-27 14:37:16,000 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:37:16,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:16,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 1 times [2021-08-27 14:37:16,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:16,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295256853] [2021-08-27 14:37:16,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:16,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:16,009 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:16,012 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:16,116 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:37:16,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:37:16,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:37:16,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:37:16,116 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:37:16,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:16,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:37:16,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:37:16,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration28_Loop [2021-08-27 14:37:16,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:37:16,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:37:16,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:16,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:16,415 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:37:16,416 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:37:16,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:16,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:16,418 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:16,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-08-27 14:37:16,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:37:16,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:16,432 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:37:16,432 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:37:16,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:16,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:16,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:16,449 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:16,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-08-27 14:37:16,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:37:16,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:16,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-08-27 14:37:16,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:16,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:16,492 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:16,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-08-27 14:37:16,494 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:37:16,494 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:17,557 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:37:17,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:17,562 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:37:17,562 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:37:17,562 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:37:17,562 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:37:17,562 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:37:17,562 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:17,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:37:17,563 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:37:17,563 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration28_Loop [2021-08-27 14:37:17,563 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:37:17,563 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:37:17,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:17,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:17,776 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:37:17,777 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:37:17,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:17,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:17,779 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:17,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-08-27 14:37:17,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:17,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:17,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:17,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:17,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:17,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:37:17,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:37:17,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:17,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:17,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-08-27 14:37:17,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:17,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:17,812 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:17,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-08-27 14:37:17,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:17,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:17,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:17,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:17,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:17,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:37:17,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:37:17,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:17,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:17,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-08-27 14:37:17,838 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 14:37:17,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:17,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:17,839 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:17,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-08-27 14:37:17,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:17,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:17,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:17,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:17,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:17,847 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:17,850 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:17,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:17,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:17,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-08-27 14:37:17,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:17,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:17,870 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:17,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-08-27 14:37:17,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:17,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:17,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:17,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:17,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:17,879 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:17,881 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:17,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:17,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:17,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-08-27 14:37:17,899 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 14:37:17,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:17,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:17,900 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:17,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-08-27 14:37:17,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:17,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:17,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:17,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:17,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:17,908 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:17,916 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:17,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:17,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:17,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-08-27 14:37:17,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:17,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:17,949 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:17,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-08-27 14:37:17,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:17,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:17,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:17,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:17,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:17,958 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:17,960 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:17,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:17,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:17,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-08-27 14:37:17,978 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 14:37:17,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:17,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:17,979 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:17,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-08-27 14:37:17,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:17,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:17,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:17,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:17,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:17,992 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:17,999 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:17,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-08-27 14:37:18,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,020 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-08-27 14:37:18,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:18,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,030 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:18,033 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:18,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:18,072 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 14:37:18,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,073 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-08-27 14:37:18,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,082 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,082 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:18,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,083 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:18,086 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:18,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-08-27 14:37:18,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,109 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-08-27 14:37:18,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,152 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,152 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:18,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,153 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:18,154 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:18,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-08-27 14:37:18,173 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 14:37:18,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,174 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-08-27 14:37:18,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,185 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,185 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:37:18,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,185 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:18,191 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:18,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-08-27 14:37:18,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,218 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-08-27 14:37:18,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,227 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,227 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:37:18,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,227 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:18,231 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:18,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:18,254 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 14:37:18,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,254 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-08-27 14:37:18,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,264 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,264 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:18,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,264 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:18,270 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:18,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:18,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,297 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-08-27 14:37:18,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,306 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,306 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:18,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,306 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:18,309 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:18,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-08-27 14:37:18,332 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 14:37:18,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,333 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-08-27 14:37:18,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,341 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,341 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:18,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,342 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:18,346 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:18,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-08-27 14:37:18,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,367 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-08-27 14:37:18,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,376 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,376 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:18,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,376 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:18,379 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:18,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-08-27 14:37:18,398 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 14:37:18,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,399 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-08-27 14:37:18,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,408 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,408 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:18,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,409 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:37:18,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:37:18,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-08-27 14:37:18,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:18,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:18,440 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:18,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-08-27 14:37:18,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:18,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:18,449 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:18,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:18,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:18,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:18,449 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:37:18,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:37:18,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:18,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:18,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:18,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:18,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 14:37:18,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-08-27 14:37:18,475 INFO L87 Difference]: Start difference. First operand 398 states and 430 transitions. cyclomatic complexity: 35 Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:18,805 INFO L93 Difference]: Finished difference Result 513 states and 550 transitions. [2021-08-27 14:37:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 14:37:18,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 513 states and 550 transitions. [2021-08-27 14:37:18,806 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 100 [2021-08-27 14:37:18,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 513 states to 509 states and 546 transitions. [2021-08-27 14:37:18,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 509 [2021-08-27 14:37:18,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 509 [2021-08-27 14:37:18,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 509 states and 546 transitions. [2021-08-27 14:37:18,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:18,813 INFO L681 BuchiCegarLoop]: Abstraction has 509 states and 546 transitions. [2021-08-27 14:37:18,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states and 546 transitions. [2021-08-27 14:37:18,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 391. [2021-08-27 14:37:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 391 states have (on average 1.0767263427109974) internal successors, (421), 390 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 421 transitions. [2021-08-27 14:37:18,819 INFO L704 BuchiCegarLoop]: Abstraction has 391 states and 421 transitions. [2021-08-27 14:37:18,819 INFO L587 BuchiCegarLoop]: Abstraction has 391 states and 421 transitions. [2021-08-27 14:37:18,819 INFO L425 BuchiCegarLoop]: ======== Iteration 29============ [2021-08-27 14:37:18,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 391 states and 421 transitions. [2021-08-27 14:37:18,819 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-08-27 14:37:18,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:18,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:18,820 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:18,820 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:18,820 INFO L791 eck$LassoCheckResult]: Stem: 71032#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 71023#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 71016#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 71018#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 71043#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 71025#L51-1 mp_add_~nb~0 := 4; 71026#L61 assume !(0 == mp_add_~b3~0 % 256); 71029#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 71030#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71161#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 71159#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 71160#L76-2 assume !(1 == mp_add_~i~0 % 256); 71239#L77-1 assume !(2 == mp_add_~i~0 % 256); 71238#L78-1 assume !(3 == mp_add_~i~0 % 256); 71237#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71236#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 71235#L82-2 assume !(1 == mp_add_~i~0 % 256); 71234#L83-1 assume !(2 == mp_add_~i~0 % 256); 71233#L84-1 assume !(3 == mp_add_~i~0 % 256); 71232#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71231#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 71229#L91-1 assume !(1 == mp_add_~i~0 % 256); 71228#L92-1 assume !(2 == mp_add_~i~0 % 256); 71227#L93-1 assume !(3 == mp_add_~i~0 % 256); 71226#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71225#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71223#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 71224#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71218#L82 assume !(0 == mp_add_~i~0 % 256); 71219#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 71214#L83-1 assume !(2 == mp_add_~i~0 % 256); 71215#L84-1 assume !(3 == mp_add_~i~0 % 256); 71210#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71211#L87-1 assume !(0 == mp_add_~i~0 % 256); 71206#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 71207#L92-1 assume !(2 == mp_add_~i~0 % 256); 71202#L93-1 assume !(3 == mp_add_~i~0 % 256); 71203#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71198#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71199#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 71285#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71284#L82 assume !(0 == mp_add_~i~0 % 256); 71283#L82-2 assume !(1 == mp_add_~i~0 % 256); 71282#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 71281#L84-1 assume !(3 == mp_add_~i~0 % 256); 71280#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71279#L87-1 assume !(0 == mp_add_~i~0 % 256); 71278#L91-1 assume !(1 == mp_add_~i~0 % 256); 71277#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 71276#L93-1 assume !(3 == mp_add_~i~0 % 256); 71275#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71274#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71273#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 71272#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71271#L82 assume !(0 == mp_add_~i~0 % 256); 71270#L82-2 assume !(1 == mp_add_~i~0 % 256); 71269#L83-1 assume !(2 == mp_add_~i~0 % 256); 71268#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 71267#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71266#L87-1 assume !(0 == mp_add_~i~0 % 256); 71265#L91-1 assume !(1 == mp_add_~i~0 % 256); 71264#L92-1 assume !(2 == mp_add_~i~0 % 256); 71263#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 71167#L94-1 [2021-08-27 14:37:18,820 INFO L793 eck$LassoCheckResult]: Loop: 71167#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71262#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71261#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 71260#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71259#L82 assume !(0 == mp_add_~i~0 % 256); 71258#L82-2 assume !(1 == mp_add_~i~0 % 256); 71257#L83-1 assume !(2 == mp_add_~i~0 % 256); 71256#L84-1 assume !(3 == mp_add_~i~0 % 256); 71255#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71254#L87-1 assume !(0 == mp_add_~i~0 % 256); 71253#L91-1 assume !(1 == mp_add_~i~0 % 256); 71252#L92-1 assume !(2 == mp_add_~i~0 % 256); 71166#L93-1 assume !(3 == mp_add_~i~0 % 256); 71167#L94-1 [2021-08-27 14:37:18,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1520812614, now seen corresponding path program 1 times [2021-08-27 14:37:18,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:18,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938205380] [2021-08-27 14:37:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:18,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:18,841 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:18,866 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:18,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:18,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 2 times [2021-08-27 14:37:18,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:18,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781964036] [2021-08-27 14:37:18,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:18,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:18,872 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:18,874 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:18,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:18,875 INFO L82 PathProgramCache]: Analyzing trace with hash -2088026333, now seen corresponding path program 2 times [2021-08-27 14:37:18,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:18,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158063672] [2021-08-27 14:37:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:18,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:37:19,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:19,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158063672] [2021-08-27 14:37:19,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158063672] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:19,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031213411] [2021-08-27 14:37:19,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 14:37:19,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:19,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:19,019 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:19,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (136)] Waiting until timeout for monitored process [2021-08-27 14:37:19,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-27 14:37:19,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 14:37:19,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 14:37:19,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:20,111 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-27 14:37:20,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031213411] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:20,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:37:20,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-08-27 14:37:20,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224379642] [2021-08-27 14:37:20,216 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:37:20,216 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:37:20,217 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:37:20,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:37:20,217 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:37:20,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:20,217 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:37:20,217 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:37:20,217 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration29_Loop [2021-08-27 14:37:20,217 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:37:20,217 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:37:20,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:20,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:20,466 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:37:20,467 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:37:20,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:20,468 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:20,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-08-27 14:37:20,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:37:20,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:20,483 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:37:20,483 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:37:20,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-08-27 14:37:20,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:20,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:20,499 INFO L229 MonitoredProcess]: Starting monitored process 138 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:20,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-08-27 14:37:20,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:37:20,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:20,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:20,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:20,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:20,545 INFO L229 MonitoredProcess]: Starting monitored process 139 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:20,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-08-27 14:37:20,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:37:20,547 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:21,148 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:37:21,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-08-27 14:37:21,153 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:37:21,153 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:37:21,153 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:37:21,153 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:37:21,153 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:37:21,153 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,153 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:37:21,153 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:37:21,153 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration29_Loop [2021-08-27 14:37:21,153 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:37:21,153 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:37:21,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:21,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:21,317 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:37:21,318 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:37:21,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,322 INFO L229 MonitoredProcess]: Starting monitored process 140 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-08-27 14:37:21,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:21,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:37:21,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:37:21,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-08-27 14:37:21,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,350 INFO L229 MonitoredProcess]: Starting monitored process 141 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-08-27 14:37:21,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:21,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:37:21,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:37:21,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-08-27 14:37:21,378 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 14:37:21,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,379 INFO L229 MonitoredProcess]: Starting monitored process 142 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-08-27 14:37:21,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:21,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,387 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:21,389 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:21,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:21,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,442 INFO L229 MonitoredProcess]: Starting monitored process 143 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-08-27 14:37:21,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:21,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,451 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:21,454 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:21,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-08-27 14:37:21,473 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 14:37:21,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,474 INFO L229 MonitoredProcess]: Starting monitored process 144 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-08-27 14:37:21,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:21,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,482 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:21,484 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:21,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-08-27 14:37:21,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,505 INFO L229 MonitoredProcess]: Starting monitored process 145 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-08-27 14:37:21,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:21,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,516 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:21,520 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:21,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-08-27 14:37:21,542 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 14:37:21,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,543 INFO L229 MonitoredProcess]: Starting monitored process 146 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-08-27 14:37:21,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:21,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,551 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:21,553 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:21,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-08-27 14:37:21,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,573 INFO L229 MonitoredProcess]: Starting monitored process 147 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-08-27 14:37:21,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:21,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,581 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:21,586 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:21,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-08-27 14:37:21,608 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 14:37:21,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,609 INFO L229 MonitoredProcess]: Starting monitored process 148 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-08-27 14:37:21,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,617 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,617 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:21,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,617 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:21,619 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:21,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2021-08-27 14:37:21,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,638 INFO L229 MonitoredProcess]: Starting monitored process 149 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-08-27 14:37:21,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,647 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,647 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:21,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,647 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:21,652 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:21,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-08-27 14:37:21,677 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 14:37:21,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,678 INFO L229 MonitoredProcess]: Starting monitored process 150 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-08-27 14:37:21,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,686 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,686 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:37:21,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,686 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:21,689 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:21,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-08-27 14:37:21,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,710 INFO L229 MonitoredProcess]: Starting monitored process 151 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-08-27 14:37:21,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,719 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,719 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:37:21,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,719 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:21,723 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:21,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-08-27 14:37:21,747 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 14:37:21,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,748 INFO L229 MonitoredProcess]: Starting monitored process 152 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-08-27 14:37:21,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,757 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:21,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,757 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:21,760 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:21,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-08-27 14:37:21,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,784 INFO L229 MonitoredProcess]: Starting monitored process 153 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-08-27 14:37:21,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,792 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,792 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:21,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,793 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:21,798 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:21,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-08-27 14:37:21,827 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 14:37:21,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,827 INFO L229 MonitoredProcess]: Starting monitored process 154 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-08-27 14:37:21,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,835 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,835 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:21,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,836 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:21,838 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:21,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:21,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,859 INFO L229 MonitoredProcess]: Starting monitored process 155 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-08-27 14:37:21,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,874 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,874 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:21,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,874 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:21,881 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:21,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:21,906 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 14:37:21,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,907 INFO L229 MonitoredProcess]: Starting monitored process 156 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-08-27 14:37:21,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,915 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:21,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,916 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:37:21,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:37:21,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:21,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:21,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:21,943 INFO L229 MonitoredProcess]: Starting monitored process 157 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:21,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-08-27 14:37:21,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:21,951 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:21,951 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:21,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:21,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:21,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:21,951 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:37:21,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:37:21,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:21,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:21,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-08-27 14:37:21,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:21,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-27 14:37:21,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-08-27 14:37:21,992 INFO L87 Difference]: Start difference. First operand 391 states and 421 transitions. cyclomatic complexity: 33 Second operand has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:22,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:22,630 INFO L93 Difference]: Finished difference Result 310 states and 327 transitions. [2021-08-27 14:37:22,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-27 14:37:22,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 310 states and 327 transitions. [2021-08-27 14:37:22,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-08-27 14:37:22,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 310 states to 127 states and 132 transitions. [2021-08-27 14:37:22,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 127 [2021-08-27 14:37:22,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 127 [2021-08-27 14:37:22,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 132 transitions. [2021-08-27 14:37:22,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:22,633 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 132 transitions. [2021-08-27 14:37:22,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 132 transitions. [2021-08-27 14:37:22,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 93. [2021-08-27 14:37:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.053763440860215) internal successors, (98), 92 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2021-08-27 14:37:22,635 INFO L704 BuchiCegarLoop]: Abstraction has 93 states and 98 transitions. [2021-08-27 14:37:22,635 INFO L587 BuchiCegarLoop]: Abstraction has 93 states and 98 transitions. [2021-08-27 14:37:22,635 INFO L425 BuchiCegarLoop]: ======== Iteration 30============ [2021-08-27 14:37:22,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 98 transitions. [2021-08-27 14:37:22,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-08-27 14:37:22,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:37:22,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:37:22,636 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:22,636 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:37:22,636 INFO L791 eck$LassoCheckResult]: Stem: 71975#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 71976#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 71980#L51 assume !(0 == mp_add_~a3~0 % 256); 71981#L51-1 mp_add_~nb~0 := 4; 71982#L61 assume !(0 == mp_add_~b3~0 % 256); 71983#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 71997#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 72008#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 72007#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 72006#L76-2 assume !(1 == mp_add_~i~0 % 256); 72005#L77-1 assume !(2 == mp_add_~i~0 % 256); 72004#L78-1 assume !(3 == mp_add_~i~0 % 256); 72003#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 72001#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 72002#L82-2 assume !(1 == mp_add_~i~0 % 256); 72055#L83-1 assume !(2 == mp_add_~i~0 % 256); 72053#L84-1 assume !(3 == mp_add_~i~0 % 256); 72051#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 72049#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 72047#L91-1 assume !(1 == mp_add_~i~0 % 256); 72045#L92-1 assume !(2 == mp_add_~i~0 % 256); 72043#L93-1 assume !(3 == mp_add_~i~0 % 256); 72041#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 72039#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 72037#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 72035#L76 assume !(0 == mp_add_~i~0 % 256); 72033#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 72031#L77-1 assume !(2 == mp_add_~i~0 % 256); 72012#L78-1 assume !(3 == mp_add_~i~0 % 256); 72013#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71991#L82 assume !(0 == mp_add_~i~0 % 256); 71992#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 72056#L83-1 assume !(2 == mp_add_~i~0 % 256); 72054#L84-1 assume !(3 == mp_add_~i~0 % 256); 72052#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 72050#L87-1 assume !(0 == mp_add_~i~0 % 256); 72048#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 72046#L92-1 assume !(2 == mp_add_~i~0 % 256); 72044#L93-1 assume !(3 == mp_add_~i~0 % 256); 72042#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 72040#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 72038#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 72036#L76 assume !(0 == mp_add_~i~0 % 256); 72034#L76-2 assume !(1 == mp_add_~i~0 % 256); 72032#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 72030#L78-1 assume !(3 == mp_add_~i~0 % 256); 72029#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 72028#L82 assume !(0 == mp_add_~i~0 % 256); 72027#L82-2 assume !(1 == mp_add_~i~0 % 256); 72026#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 72025#L84-1 assume !(3 == mp_add_~i~0 % 256); 72024#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 72023#L87-1 assume !(0 == mp_add_~i~0 % 256); 72022#L91-1 assume !(1 == mp_add_~i~0 % 256); 72021#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 72020#L93-1 assume !(3 == mp_add_~i~0 % 256); 72019#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 72018#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 72017#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 72016#L76 assume !(0 == mp_add_~i~0 % 256); 72015#L76-2 assume !(1 == mp_add_~i~0 % 256); 72014#L77-1 assume !(2 == mp_add_~i~0 % 256); 72011#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 72009#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 72010#L82 assume !(0 == mp_add_~i~0 % 256); 71999#L82-2 assume !(1 == mp_add_~i~0 % 256); 72000#L83-1 assume !(2 == mp_add_~i~0 % 256); 71994#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 71995#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 72064#L87-1 assume !(0 == mp_add_~i~0 % 256); 72067#L91-1 assume !(1 == mp_add_~i~0 % 256); 72066#L92-1 assume !(2 == mp_add_~i~0 % 256); 72065#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 71996#L94-1 [2021-08-27 14:37:22,637 INFO L793 eck$LassoCheckResult]: Loop: 71996#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71989#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71990#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 71998#L76 assume !(0 == mp_add_~i~0 % 256); 71986#L76-2 assume !(1 == mp_add_~i~0 % 256); 71984#L77-1 assume !(2 == mp_add_~i~0 % 256); 71985#L78-1 assume !(3 == mp_add_~i~0 % 256); 71993#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 71987#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71988#L87-1 assume !(0 == mp_add_~i~0 % 256); 71979#L91-1 assume !(1 == mp_add_~i~0 % 256); 71977#L92-1 assume !(2 == mp_add_~i~0 % 256); 71978#L93-1 assume !(3 == mp_add_~i~0 % 256); 71996#L94-1 [2021-08-27 14:37:22,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:22,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1777905539, now seen corresponding path program 1 times [2021-08-27 14:37:22,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:22,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691170256] [2021-08-27 14:37:22,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:22,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:22,656 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:22,682 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:22,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:22,683 INFO L82 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 2 times [2021-08-27 14:37:22,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:22,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047596570] [2021-08-27 14:37:22,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:22,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:22,688 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:37:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:37:22,690 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:37:22,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:37:22,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1948062352, now seen corresponding path program 1 times [2021-08-27 14:37:22,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:37:22,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250738817] [2021-08-27 14:37:22,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:22,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:37:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 40 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:37:22,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:37:22,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250738817] [2021-08-27 14:37:22,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250738817] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:22,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686417262] [2021-08-27 14:37:22,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:37:22,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:37:22,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:22,813 INFO L229 MonitoredProcess]: Starting monitored process 158 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:37:22,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Waiting until timeout for monitored process [2021-08-27 14:37:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:37:23,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 14:37:23,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:37:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 61 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-08-27 14:37:24,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686417262] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:37:24,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:37:24,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2021-08-27 14:37:24,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001004285] [2021-08-27 14:37:24,095 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:37:24,095 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:37:24,096 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:37:24,096 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:37:24,096 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:37:24,096 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:24,096 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:37:24,096 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:37:24,096 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration30_Loop [2021-08-27 14:37:24,096 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:37:24,096 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:37:24,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:24,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:24,256 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:37:24,256 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:37:24,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:24,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:24,257 INFO L229 MonitoredProcess]: Starting monitored process 159 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:24,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-08-27 14:37:24,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:37:24,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:24,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2021-08-27 14:37:24,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:24,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:24,301 INFO L229 MonitoredProcess]: Starting monitored process 160 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:24,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-08-27 14:37:24,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:37:24,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:37:24,995 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:37:24,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:25,000 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:37:25,000 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:37:25,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:37:25,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:37:25,000 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:37:25,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:37:25,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:37:25,000 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration30_Loop [2021-08-27 14:37:25,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:37:25,000 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:37:25,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:25,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:37:25,191 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:37:25,191 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:37:25,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,192 INFO L229 MonitoredProcess]: Starting monitored process 161 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-08-27 14:37:25,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:25,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:37:25,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:37:25,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-08-27 14:37:25,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,219 INFO L229 MonitoredProcess]: Starting monitored process 162 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-08-27 14:37:25,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:25,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:37:25,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:37:25,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2021-08-27 14:37:25,247 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 14:37:25,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,248 INFO L229 MonitoredProcess]: Starting monitored process 163 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-08-27 14:37:25,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:25,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,256 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:25,258 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:25,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-08-27 14:37:25,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,276 INFO L229 MonitoredProcess]: Starting monitored process 164 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-08-27 14:37:25,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:25,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,284 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:25,287 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:25,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-08-27 14:37:25,306 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 14:37:25,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,307 INFO L229 MonitoredProcess]: Starting monitored process 165 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-08-27 14:37:25,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:25,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,329 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:25,331 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:25,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-08-27 14:37:25,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,350 INFO L229 MonitoredProcess]: Starting monitored process 166 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-08-27 14:37:25,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:25,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,359 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:25,363 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:25,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:25,383 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 14:37:25,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,384 INFO L229 MonitoredProcess]: Starting monitored process 167 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-08-27 14:37:25,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:25,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,393 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:25,397 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:25,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-08-27 14:37:25,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,418 INFO L229 MonitoredProcess]: Starting monitored process 168 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-08-27 14:37:25,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:37:25,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,427 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:25,432 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:25,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-08-27 14:37:25,453 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 14:37:25,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,454 INFO L229 MonitoredProcess]: Starting monitored process 169 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-08-27 14:37:25,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,463 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,463 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:25,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,463 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:25,465 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:25,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2021-08-27 14:37:25,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,484 INFO L229 MonitoredProcess]: Starting monitored process 170 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-08-27 14:37:25,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,492 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,493 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:25,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,493 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:37:25,498 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:37:25,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-08-27 14:37:25,532 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 14:37:25,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,533 INFO L229 MonitoredProcess]: Starting monitored process 171 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-08-27 14:37:25,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,541 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,541 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:37:25,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,541 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:25,544 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:25,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2021-08-27 14:37:25,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,565 INFO L229 MonitoredProcess]: Starting monitored process 172 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-08-27 14:37:25,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,573 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,574 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:37:25,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,574 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:25,579 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:25,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:25,603 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 14:37:25,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,604 INFO L229 MonitoredProcess]: Starting monitored process 173 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-08-27 14:37:25,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,612 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:25,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,613 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:25,616 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:25,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-08-27 14:37:25,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,639 INFO L229 MonitoredProcess]: Starting monitored process 174 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-08-27 14:37:25,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,649 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,649 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:25,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,649 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:37:25,658 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:37:25,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:25,687 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 14:37:25,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,688 INFO L229 MonitoredProcess]: Starting monitored process 175 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-08-27 14:37:25,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,696 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,696 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:25,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,697 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:25,699 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:25,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-08-27 14:37:25,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,733 INFO L229 MonitoredProcess]: Starting monitored process 176 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-08-27 14:37:25,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,741 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,741 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:37:25,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:37:25,746 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:37:25,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-08-27 14:37:25,767 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 14:37:25,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,768 INFO L229 MonitoredProcess]: Starting monitored process 177 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-08-27 14:37:25,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,776 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:25,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,777 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:37:25,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:37:25,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2021-08-27 14:37:25,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:37:25,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:37:25,804 INFO L229 MonitoredProcess]: Starting monitored process 178 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:37:25,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-08-27 14:37:25,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:37:25,813 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:37:25,813 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:37:25,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:37:25,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:37:25,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:37:25,813 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:37:25,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:37:25,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:37:25,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:37:25,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2021-08-27 14:37:25,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:37:25,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 14:37:25,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-08-27 14:37:25,845 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. cyclomatic complexity: 6 Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:37:26,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:37:26,348 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2021-08-27 14:37:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 14:37:26,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 94 transitions. [2021-08-27 14:37:26,349 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:37:26,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 0 states and 0 transitions. [2021-08-27 14:37:26,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:37:26,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:37:26,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:37:26,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:37:26,349 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:37:26,349 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:37:26,349 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:37:26,349 INFO L425 BuchiCegarLoop]: ======== Iteration 31============ [2021-08-27 14:37:26,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:37:26,350 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:37:26,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:37:26,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:37:26 BoogieIcfgContainer [2021-08-27 14:37:26,354 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:37:26,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:37:26,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:37:26,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:37:26,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:36:37" (3/4) ... [2021-08-27 14:37:26,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:37:26,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:37:26,358 INFO L168 Benchmark]: Toolchain (without parser) took 50085.69 ms. Allocated memory was 48.2 MB in the beginning and 717.2 MB in the end (delta: 669.0 MB). Free memory was 24.4 MB in the beginning and 353.5 MB in the end (delta: -329.2 MB). Peak memory consumption was 339.2 MB. Max. memory is 16.1 GB. [2021-08-27 14:37:26,358 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 31.1 MB in the beginning and 31.0 MB in the end (delta: 39.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:37:26,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.34 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 24.2 MB in the beginning and 45.9 MB in the end (delta: -21.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-08-27 14:37:26,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.24 ms. Allocated memory is still 62.9 MB. Free memory was 45.9 MB in the beginning and 44.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:37:26,359 INFO L168 Benchmark]: Boogie Preprocessor took 48.12 ms. Allocated memory is still 62.9 MB. Free memory was 44.1 MB in the beginning and 42.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:37:26,360 INFO L168 Benchmark]: RCFGBuilder took 355.43 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 35.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:37:26,360 INFO L168 Benchmark]: BuchiAutomizer took 49259.71 ms. Allocated memory was 62.9 MB in the beginning and 717.2 MB in the end (delta: 654.3 MB). Free memory was 35.4 MB in the beginning and 353.5 MB in the end (delta: -318.1 MB). Peak memory consumption was 335.7 MB. Max. memory is 16.1 GB. [2021-08-27 14:37:26,360 INFO L168 Benchmark]: Witness Printer took 2.50 ms. Allocated memory is still 717.2 MB. Free memory is still 353.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:37:26,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 31.1 MB in the beginning and 31.0 MB in the end (delta: 39.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 366.34 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 24.2 MB in the beginning and 45.9 MB in the end (delta: -21.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.24 ms. Allocated memory is still 62.9 MB. Free memory was 45.9 MB in the beginning and 44.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.12 ms. Allocated memory is still 62.9 MB. Free memory was 44.1 MB in the beginning and 42.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 355.43 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 35.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 49259.71 ms. Allocated memory was 62.9 MB in the beginning and 717.2 MB in the end (delta: 654.3 MB). Free memory was 35.4 MB in the beginning and 353.5 MB in the end (delta: -318.1 MB). Peak memory consumption was 335.7 MB. Max. memory is 16.1 GB. * Witness Printer took 2.50 ms. Allocated memory is still 717.2 MB. Free memory is still 353.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 30 terminating modules (30 trivial, 0 deterministic, 0 nondeterministic). 30 modules have a trivial ranking function, the largest among these consists of 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 49.2s and 31 iterations. TraceHistogramMax:7. Analysis of lassos took 32.0s. Construction of modules took 10.1s. Büchi inclusion checks took 5.8s. Highest rank in rank-based complementation 0. Minimization of det autom 30. Minimization of nondet autom 0. Automata minimization 559.5ms AutomataMinimizationTime, 29 MinimizatonAttempts, 13356 StatesRemovedByMinimization, 27 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had 3304 states and ocurred in iteration 13. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1435 SDtfs, 5364 SDslu, 2979 SDs, 0 SdLazy, 10451 SolverSat, 1005 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10134.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI17 SFLT0 conc4 concLT0 SILN0 SILU2 SILI7 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital54 mio100 ax100 hnf100 lsp73 ukn100 mio100 lsp100 div490 bol100 ite100 ukn100 eq145 hnf45 smp76 dnf100 smp100 tf102 neg99 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 13ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 5.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 14:37:26,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Ended with exit code 0 [2021-08-27 14:37:26,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (136)] Ended with exit code 0 [2021-08-27 14:37:26,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:26,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Ended with exit code 0 [2021-08-27 14:37:27,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Ended with exit code 0 [2021-08-27 14:37:27,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:27,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Ended with exit code 0 [2021-08-27 14:37:27,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Ended with exit code 0 [2021-08-27 14:37:27,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Ended with exit code 0 [2021-08-27 14:37:28,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:28,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Ended with exit code 0 [2021-08-27 14:37:28,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:28,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Ended with exit code 0 [2021-08-27 14:37:28,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Ended with exit code 0 [2021-08-27 14:37:29,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Ended with exit code 0 [2021-08-27 14:37:29,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2021-08-27 14:37:29,585 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...