./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c --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/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bda52149cd62c1888dc8ce3c950a6b2af40f59eb ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:55:21,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 16:55:21,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 16:55:21,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 16:55:21,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 16:55:21,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 16:55:21,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 16:55:21,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 16:55:21,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 16:55:21,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 16:55:21,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 16:55:21,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 16:55:21,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 16:55:21,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 16:55:21,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 16:55:21,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 16:55:21,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 16:55:21,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 16:55:21,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 16:55:21,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 16:55:21,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 16:55:21,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 16:55:21,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 16:55:21,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 16:55:21,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 16:55:21,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 16:55:21,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 16:55:21,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 16:55:21,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 16:55:21,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 16:55:21,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 16:55:21,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 16:55:21,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 16:55:21,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 16:55:21,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 16:55:21,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 16:55:21,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 16:55:21,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 16:55:21,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 16:55:21,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 16:55:21,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 16:55:21,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 16:55:21,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 16:55:21,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 16:55:21,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 16:55:21,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 16:55:21,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 16:55:21,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 16:55:21,283 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 16:55:21,283 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 16:55:21,283 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 16:55:21,283 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 16:55:21,284 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 16:55:21,285 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 16:55:21,285 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 16:55:21,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 16:55:21,285 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 16:55:21,285 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 16:55:21,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 16:55:21,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 16:55:21,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 16:55:21,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 16:55:21,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 16:55:21,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 16:55:21,296 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 16:55:21,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 16:55:21,297 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 16:55:21,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 16:55:21,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 16:55:21,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 16:55:21,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 16:55:21,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 16:55:21,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 16:55:21,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 16:55:21,299 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 16:55:21,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda52149cd62c1888dc8ce3c950a6b2af40f59eb [2021-08-27 16:55:21,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 16:55:21,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 16:55:21,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 16:55:21,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 16:55:21,689 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 16:55:21,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2021-08-27 16:55:21,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c2407d0/ee69a2e7fd5e4ab48f5620bb847446d3/FLAGf297d4ebd [2021-08-27 16:55:22,211 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 16:55:22,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2021-08-27 16:55:22,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c2407d0/ee69a2e7fd5e4ab48f5620bb847446d3/FLAGf297d4ebd [2021-08-27 16:55:22,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c2407d0/ee69a2e7fd5e4ab48f5620bb847446d3 [2021-08-27 16:55:22,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 16:55:22,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 16:55:22,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 16:55:22,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 16:55:22,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 16:55:22,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:55:22" (1/1) ... [2021-08-27 16:55:22,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787329b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:22, skipping insertion in model container [2021-08-27 16:55:22,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:55:22" (1/1) ... [2021-08-27 16:55:22,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 16:55:22,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 16:55:23,142 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/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12742,12755] [2021-08-27 16:55:23,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:55:23,174 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 16:55:23,279 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/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12742,12755] [2021-08-27 16:55:23,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:55:23,302 INFO L208 MainTranslator]: Completed translation [2021-08-27 16:55:23,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23 WrapperNode [2021-08-27 16:55:23,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 16:55:23,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 16:55:23,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 16:55:23,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 16:55:23,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 16:55:23,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 16:55:23,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 16:55:23,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 16:55:23,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 16:55:23,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 16:55:23,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 16:55:23,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 16:55:23,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (1/1) ... [2021-08-27 16:55:23,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:23,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:23,465 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 16:55:23,489 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 16:55:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 16:55:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 16:55:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 16:55:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 16:55:24,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 16:55:24,169 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-08-27 16:55:24,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:55:24 BoogieIcfgContainer [2021-08-27 16:55:24,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 16:55:24,172 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 16:55:24,174 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 16:55:24,177 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 16:55:24,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:55:24,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 04:55:22" (1/3) ... [2021-08-27 16:55:24,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@430d92ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:55:24, skipping insertion in model container [2021-08-27 16:55:24,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:55:24,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:23" (2/3) ... [2021-08-27 16:55:24,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@430d92ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:55:24, skipping insertion in model container [2021-08-27 16:55:24,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:55:24,181 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:55:24" (3/3) ... [2021-08-27 16:55:24,182 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2021-08-27 16:55:24,229 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 16:55:24,229 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 16:55:24,230 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 16:55:24,230 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 16:55:24,230 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 16:55:24,230 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 16:55:24,230 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 16:55:24,231 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 16:55:24,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.7008547008547008) internal successors, (199), 117 states have internal predecessors, (199), 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 16:55:24,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2021-08-27 16:55:24,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:55:24,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:55:24,289 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:55:24,289 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 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 16:55:24,289 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 16:55:24,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.7008547008547008) internal successors, (199), 117 states have internal predecessors, (199), 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 16:55:24,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2021-08-27 16:55:24,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:55:24,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:55:24,304 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:55:24,305 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 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 16:55:24,310 INFO L791 eck$LassoCheckResult]: Stem: 100#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset]; 29#L-1true havoc main_#res;havoc main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id1~0 := main_#t~nondet17;havoc main_#t~nondet17;~st1~0 := main_#t~nondet18;havoc main_#t~nondet18;~send1~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode1~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive1~0 := main_#t~nondet21;havoc main_#t~nondet21;~id2~0 := main_#t~nondet22;havoc main_#t~nondet22;~st2~0 := main_#t~nondet23;havoc main_#t~nondet23;~send2~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode2~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive2~0 := main_#t~nondet26;havoc main_#t~nondet26;~id3~0 := main_#t~nondet27;havoc main_#t~nondet27;~st3~0 := main_#t~nondet28;havoc main_#t~nondet28;~send3~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode3~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive3~0 := main_#t~nondet31;havoc main_#t~nondet31;~id4~0 := main_#t~nondet32;havoc main_#t~nondet32;~st4~0 := main_#t~nondet33;havoc main_#t~nondet33;~send4~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode4~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive4~0 := main_#t~nondet36;havoc main_#t~nondet36;~id5~0 := main_#t~nondet37;havoc main_#t~nondet37;~st5~0 := main_#t~nondet38;havoc main_#t~nondet38;~send5~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode5~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive5~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 21#L245true assume !(0 == ~r1~0);init_~tmp~0 := 0; 22#L245-1true init_#res := init_~tmp~0; 119#L374true main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 31#L22true assume !(0 == assume_abort_if_not_~cond); 83#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 14#L443-2true [2021-08-27 16:55:24,315 INFO L793 eck$LassoCheckResult]: Loop: 14#L443-2true assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 52#L76true assume !(0 != ~mode1~0 % 256); 97#L94true assume !(0 != ~alive1~0 % 256); 88#L94-2true ~mode1~0 := 1; 102#L76-2true havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 18#L108true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 16#L111true assume !(node2_~m2~0 != ~nomsg~0); 91#L111-1true ~mode2~0 := 0; 78#L108-2true havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 86#L142true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 45#L145true assume !(node3_~m3~0 != ~nomsg~0); 53#L145-1true ~mode3~0 := 0; 80#L142-2true havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 33#L176true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 107#L179true assume !(node4_~m4~0 != ~nomsg~0); 62#L179-1true ~mode4~0 := 0; 113#L176-2true havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 8#L210true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 110#L213true assume !(node5_~m5~0 != ~nomsg~0); 98#L213-1true ~mode5~0 := 0; 103#L210-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 96#L382true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 20#L382-1true check_#res := check_~tmp~1; 13#L394true main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 105#L473true assume !(0 == assert_~arg % 256); 101#L468true main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 14#L443-2true [2021-08-27 16:55:24,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:55:24,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2021-08-27 16:55:24,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:55:24,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138577909] [2021-08-27 16:55:24,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:55:24,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:55:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:55:24,529 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 16:55:24,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:55:24,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138577909] [2021-08-27 16:55:24,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138577909] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:55:24,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:55:24,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:55:24,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349058879] [2021-08-27 16:55:24,540 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 16:55:24,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:55:24,543 INFO L82 PathProgramCache]: Analyzing trace with hash -563273304, now seen corresponding path program 1 times [2021-08-27 16:55:24,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:55:24,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453323128] [2021-08-27 16:55:24,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:55:24,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:55:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:55:24,764 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 16:55:24,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:55:24,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453323128] [2021-08-27 16:55:24,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453323128] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:55:24,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:55:24,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:55:24,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970303099] [2021-08-27 16:55:24,767 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 16:55:24,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:55:24,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 16:55:24,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 16:55:24,784 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.7008547008547008) internal successors, (199), 117 states have internal predecessors, (199), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 16:55:24,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:55:24,903 INFO L93 Difference]: Finished difference Result 121 states and 198 transitions. [2021-08-27 16:55:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 16:55:24,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 198 transitions. [2021-08-27 16:55:24,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-08-27 16:55:24,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 113 states and 159 transitions. [2021-08-27 16:55:24,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-08-27 16:55:24,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2021-08-27 16:55:24,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 159 transitions. [2021-08-27 16:55:24,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:55:24,914 INFO L681 BuchiCegarLoop]: Abstraction has 113 states and 159 transitions. [2021-08-27 16:55:24,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 159 transitions. [2021-08-27 16:55:24,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-08-27 16:55:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.407079646017699) internal successors, (159), 112 states have internal predecessors, (159), 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 16:55:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2021-08-27 16:55:24,942 INFO L704 BuchiCegarLoop]: Abstraction has 113 states and 159 transitions. [2021-08-27 16:55:24,942 INFO L587 BuchiCegarLoop]: Abstraction has 113 states and 159 transitions. [2021-08-27 16:55:24,942 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 16:55:24,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 159 transitions. [2021-08-27 16:55:24,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-08-27 16:55:24,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:55:24,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:55:24,945 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:24,945 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 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 16:55:24,946 INFO L791 eck$LassoCheckResult]: Stem: 366#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset]; 303#L-1 havoc main_#res;havoc main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id1~0 := main_#t~nondet17;havoc main_#t~nondet17;~st1~0 := main_#t~nondet18;havoc main_#t~nondet18;~send1~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode1~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive1~0 := main_#t~nondet21;havoc main_#t~nondet21;~id2~0 := main_#t~nondet22;havoc main_#t~nondet22;~st2~0 := main_#t~nondet23;havoc main_#t~nondet23;~send2~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode2~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive2~0 := main_#t~nondet26;havoc main_#t~nondet26;~id3~0 := main_#t~nondet27;havoc main_#t~nondet27;~st3~0 := main_#t~nondet28;havoc main_#t~nondet28;~send3~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode3~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive3~0 := main_#t~nondet31;havoc main_#t~nondet31;~id4~0 := main_#t~nondet32;havoc main_#t~nondet32;~st4~0 := main_#t~nondet33;havoc main_#t~nondet33;~send4~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode4~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive4~0 := main_#t~nondet36;havoc main_#t~nondet36;~id5~0 := main_#t~nondet37;havoc main_#t~nondet37;~st5~0 := main_#t~nondet38;havoc main_#t~nondet38;~send5~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode5~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive5~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 292#L245 assume 0 == ~r1~0; 293#L246 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 333#L247 assume ~id1~0 >= 0; 363#L248 assume 0 == ~st1~0; 264#L249 assume ~send1~0 == ~id1~0; 265#L250 assume 0 == ~mode1~0 % 256; 349#L251 assume ~id2~0 >= 0; 313#L252 assume 0 == ~st2~0; 314#L253 assume ~send2~0 == ~id2~0; 319#L254 assume 0 == ~mode2~0 % 256; 282#L255 assume ~id3~0 >= 0; 283#L256 assume 0 == ~st3~0; 315#L257 assume ~send3~0 == ~id3~0; 296#L258 assume 0 == ~mode3~0 % 256; 297#L259 assume ~id4~0 >= 0; 336#L260 assume 0 == ~st4~0; 337#L261 assume ~send4~0 == ~id4~0; 325#L262 assume 0 == ~mode4~0 % 256; 326#L263 assume ~id5~0 >= 0; 331#L264 assume 0 == ~st5~0; 332#L265 assume ~send5~0 == ~id5~0; 274#L266 assume 0 == ~mode5~0 % 256; 275#L267 assume ~id1~0 != ~id2~0; 287#L268 assume ~id1~0 != ~id3~0; 288#L269 assume ~id1~0 != ~id4~0; 266#L270 assume ~id1~0 != ~id5~0; 267#L271 assume ~id2~0 != ~id3~0; 298#L272 assume ~id2~0 != ~id4~0; 308#L273 assume ~id2~0 != ~id5~0; 330#L274 assume ~id3~0 != ~id4~0; 353#L275 assume ~id3~0 != ~id5~0; 260#L276 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 261#L245-1 init_#res := init_~tmp~0; 294#L374 main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 306#L22 assume !(0 == assume_abort_if_not_~cond); 307#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 280#L443-2 [2021-08-27 16:55:24,946 INFO L793 eck$LassoCheckResult]: Loop: 280#L443-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 281#L76 assume !(0 != ~mode1~0 % 256); 338#L94 assume !(0 != ~alive1~0 % 256); 361#L94-2 ~mode1~0 := 1; 362#L76-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 289#L108 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 284#L111 assume !(node2_~m2~0 != ~nomsg~0); 286#L111-1 ~mode2~0 := 0; 357#L108-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 358#L142 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 327#L145 assume !(node3_~m3~0 != ~nomsg~0); 329#L145-1 ~mode3~0 := 0; 324#L142-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 309#L176 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 311#L179 assume !(node4_~m4~0 != ~nomsg~0); 259#L179-1 ~mode4~0 := 0; 346#L176-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 268#L210 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 269#L213 assume !(node5_~m5~0 != ~nomsg~0); 305#L213-1 ~mode5~0 := 0; 365#L210-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 364#L382 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 291#L382-1 check_#res := check_~tmp~1; 278#L394 main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 279#L473 assume !(0 == assert_~arg % 256); 367#L468 main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 280#L443-2 [2021-08-27 16:55:24,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:55:24,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2021-08-27 16:55:24,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:55:24,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593229254] [2021-08-27 16:55:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:55:24,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:55:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:55:24,984 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:55:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:55:25,044 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:55:25,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:55:25,045 INFO L82 PathProgramCache]: Analyzing trace with hash -563273304, now seen corresponding path program 2 times [2021-08-27 16:55:25,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:55:25,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944681039] [2021-08-27 16:55:25,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:55:25,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:55:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:55:25,133 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 16:55:25,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:55:25,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944681039] [2021-08-27 16:55:25,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944681039] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:55:25,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:55:25,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:55:25,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17532112] [2021-08-27 16:55:25,145 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 16:55:25,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:55:25,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 16:55:25,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 16:55:25,148 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. cyclomatic complexity: 47 Second operand has 5 states, 5 states have (on average 5.2) 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 16:55:25,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:55:25,192 INFO L93 Difference]: Finished difference Result 116 states and 161 transitions. [2021-08-27 16:55:25,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 16:55:25,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 161 transitions. [2021-08-27 16:55:25,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-08-27 16:55:25,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 113 states and 157 transitions. [2021-08-27 16:55:25,199 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-08-27 16:55:25,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2021-08-27 16:55:25,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 157 transitions. [2021-08-27 16:55:25,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:55:25,201 INFO L681 BuchiCegarLoop]: Abstraction has 113 states and 157 transitions. [2021-08-27 16:55:25,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 157 transitions. [2021-08-27 16:55:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-08-27 16:55:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.3893805309734513) internal successors, (157), 112 states have internal predecessors, (157), 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 16:55:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2021-08-27 16:55:25,213 INFO L704 BuchiCegarLoop]: Abstraction has 113 states and 157 transitions. [2021-08-27 16:55:25,213 INFO L587 BuchiCegarLoop]: Abstraction has 113 states and 157 transitions. [2021-08-27 16:55:25,213 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 16:55:25,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 157 transitions. [2021-08-27 16:55:25,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-08-27 16:55:25,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:55:25,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:55:25,218 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:25,218 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 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 16:55:25,218 INFO L791 eck$LassoCheckResult]: Stem: 607#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset]; 544#L-1 havoc main_#res;havoc main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id1~0 := main_#t~nondet17;havoc main_#t~nondet17;~st1~0 := main_#t~nondet18;havoc main_#t~nondet18;~send1~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode1~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive1~0 := main_#t~nondet21;havoc main_#t~nondet21;~id2~0 := main_#t~nondet22;havoc main_#t~nondet22;~st2~0 := main_#t~nondet23;havoc main_#t~nondet23;~send2~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode2~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive2~0 := main_#t~nondet26;havoc main_#t~nondet26;~id3~0 := main_#t~nondet27;havoc main_#t~nondet27;~st3~0 := main_#t~nondet28;havoc main_#t~nondet28;~send3~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode3~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive3~0 := main_#t~nondet31;havoc main_#t~nondet31;~id4~0 := main_#t~nondet32;havoc main_#t~nondet32;~st4~0 := main_#t~nondet33;havoc main_#t~nondet33;~send4~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode4~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive4~0 := main_#t~nondet36;havoc main_#t~nondet36;~id5~0 := main_#t~nondet37;havoc main_#t~nondet37;~st5~0 := main_#t~nondet38;havoc main_#t~nondet38;~send5~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode5~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive5~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 533#L245 assume 0 == ~r1~0; 534#L246 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 574#L247 assume ~id1~0 >= 0; 604#L248 assume 0 == ~st1~0; 505#L249 assume ~send1~0 == ~id1~0; 506#L250 assume 0 == ~mode1~0 % 256; 590#L251 assume ~id2~0 >= 0; 554#L252 assume 0 == ~st2~0; 555#L253 assume ~send2~0 == ~id2~0; 560#L254 assume 0 == ~mode2~0 % 256; 523#L255 assume ~id3~0 >= 0; 524#L256 assume 0 == ~st3~0; 556#L257 assume ~send3~0 == ~id3~0; 537#L258 assume 0 == ~mode3~0 % 256; 538#L259 assume ~id4~0 >= 0; 577#L260 assume 0 == ~st4~0; 578#L261 assume ~send4~0 == ~id4~0; 566#L262 assume 0 == ~mode4~0 % 256; 567#L263 assume ~id5~0 >= 0; 572#L264 assume 0 == ~st5~0; 573#L265 assume ~send5~0 == ~id5~0; 515#L266 assume 0 == ~mode5~0 % 256; 516#L267 assume ~id1~0 != ~id2~0; 528#L268 assume ~id1~0 != ~id3~0; 529#L269 assume ~id1~0 != ~id4~0; 507#L270 assume ~id1~0 != ~id5~0; 508#L271 assume ~id2~0 != ~id3~0; 539#L272 assume ~id2~0 != ~id4~0; 549#L273 assume ~id2~0 != ~id5~0; 571#L274 assume ~id3~0 != ~id4~0; 594#L275 assume ~id3~0 != ~id5~0; 501#L276 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 502#L245-1 init_#res := init_~tmp~0; 535#L374 main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 547#L22 assume !(0 == assume_abort_if_not_~cond); 548#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 521#L443-2 [2021-08-27 16:55:25,219 INFO L793 eck$LassoCheckResult]: Loop: 521#L443-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 522#L76 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 512#L80 assume !(node1_~m1~0 != ~nomsg~0); 514#L80-1 ~mode1~0 := 0; 603#L76-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 530#L108 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 525#L111 assume !(node2_~m2~0 != ~nomsg~0); 527#L111-1 ~mode2~0 := 0; 598#L108-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 599#L142 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 568#L145 assume !(node3_~m3~0 != ~nomsg~0); 570#L145-1 ~mode3~0 := 0; 565#L142-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 550#L176 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 552#L179 assume !(node4_~m4~0 != ~nomsg~0); 500#L179-1 ~mode4~0 := 0; 587#L176-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 509#L210 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 510#L213 assume !(node5_~m5~0 != ~nomsg~0); 546#L213-1 ~mode5~0 := 0; 606#L210-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 605#L382 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 557#L383 assume ~r1~0 < 5;check_~tmp~1 := 1; 532#L382-1 check_#res := check_~tmp~1; 519#L394 main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 520#L473 assume !(0 == assert_~arg % 256); 608#L468 main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 521#L443-2 [2021-08-27 16:55:25,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:55:25,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2021-08-27 16:55:25,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:55:25,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89147418] [2021-08-27 16:55:25,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:55:25,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:55:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:55:25,268 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:55:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:55:25,298 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:55:25,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:55:25,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1523726120, now seen corresponding path program 1 times [2021-08-27 16:55:25,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:55:25,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457566155] [2021-08-27 16:55:25,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:55:25,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:55:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:55:25,308 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:55:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:55:25,321 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:55:25,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:55:25,322 INFO L82 PathProgramCache]: Analyzing trace with hash -161814142, now seen corresponding path program 1 times [2021-08-27 16:55:25,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:55:25,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745233965] [2021-08-27 16:55:25,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:55:25,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:55:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:55:25,396 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 16:55:25,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:55:25,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745233965] [2021-08-27 16:55:25,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745233965] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:55:25,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:55:25,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 16:55:25,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833355075] [2021-08-27 16:55:26,386 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 16:55:26,388 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 16:55:26,388 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 16:55:26,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 16:55:26,392 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 16:55:26,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:26,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 16:55:26,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 16:55:26,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-08-27 16:55:26,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 16:55:26,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 16:55:26,411 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 16:55:26,424 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 16:55:26,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:55:26,430 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 16:55:26,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:55:26,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:55:26,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:55:26,442 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 16:55:26,456 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 16:55:26,460 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 16:55:26,466 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 16:55:26,468 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 16:55:26,471 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 16:55:26,475 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 16:55:26,477 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 16:55:26,480 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 16:55:26,482 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 16:55:26,487 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 16:55:26,492 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 16:55:26,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:55:26,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:55:26,506 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 16:55:26,513 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 16:55:26,516 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 16:55:26,521 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 16:55:26,532 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 16:55:26,537 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 16:55:26,541 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 16:55:26,581 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 16:55:26,583 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 16:55:26,588 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 16:55:26,591 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 16:55:27,239 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 16:55:27,240 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 16:55:27,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:27,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:27,249 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 16:55:27,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 16:55:27,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 16:55:27,256 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 16:55:27,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 16:55:27,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:27,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:27,290 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 16:55:27,291 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 16:55:27,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 16:55:27,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 16:55:27,411 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 16:55:27,415 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 16:55:27,415 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 16:55:27,415 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 16:55:27,415 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 16:55:27,415 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 16:55:27,415 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 16:55:27,415 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:27,415 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 16:55:27,415 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 16:55:27,415 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-08-27 16:55:27,416 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 16:55:27,416 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 16:55:27,435 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 16:55:27,440 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 16:55:27,443 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 16:55:27,444 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 16:55:27,446 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 16:55:27,448 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 16:55:27,450 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 16:55:27,455 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 16:55:27,457 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 16:55:27,481 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 16:55:27,486 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 16:55:27,530 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 16:55:27,533 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 16:55:27,534 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 16:55:27,536 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 16:55:27,538 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 16:55:27,541 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 16:55:27,543 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 16:55:27,547 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 16:55:27,549 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 16:55:27,556 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 16:55:27,558 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 16:55:27,563 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 16:55:27,565 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 16:55:27,568 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 16:55:27,570 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 16:55:27,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:55:27,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:55:27,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:55:27,661 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 16:55:27,662 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 16:55:27,667 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 16:55:28,278 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 16:55:28,282 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 16:55:28,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,287 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 16:55:28,288 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 16:55:28,289 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 16:55:28,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 16:55:28,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,319 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 16:55:28,320 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 16:55:28,322 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 16:55:28,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:55:28,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:55:28,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 16:55:28,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,355 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 16:55:28,356 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 16:55:28,357 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 16:55:28,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,383 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 16:55:28,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,384 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 16:55:28,420 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 16:55:28,421 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 16:55:28,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,468 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 16:55:28,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,469 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 16:55:28,470 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 16:55:28,471 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 16:55:28,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,499 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 16:55:28,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,501 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 16:55:28,504 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 16:55:28,505 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 16:55:28,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:55:28,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:55:28,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,567 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 16:55:28,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,569 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 16:55:28,571 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 16:55:28,572 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 16:55:28,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,608 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 16:55:28,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,610 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 16:55:28,611 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 16:55:28,613 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 16:55:28,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:55:28,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:55:28,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,648 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 16:55:28,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,650 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 16:55:28,651 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 16:55:28,652 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 16:55:28,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,659 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 16:55:28,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,661 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 16:55:28,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-27 16:55:28,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,686 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 16:55:28,687 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 16:55:28,688 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 16:55:28,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,715 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 16:55:28,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,717 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 16:55:28,717 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 16:55:28,718 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 16:55:28,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,765 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 16:55:28,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,766 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 16:55:28,767 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 16:55:28,768 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 16:55:28,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:55:28,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:55:28,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,794 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 16:55:28,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,796 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 16:55:28,797 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 16:55:28,799 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 16:55:28,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 16:55:28,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,823 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 16:55:28,825 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 16:55:28,826 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 16:55:28,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-08-27 16:55:28,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,858 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 16:55:28,859 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 16:55:28,860 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 16:55:28,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,885 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 16:55:28,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,886 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 16:55:28,887 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 16:55:28,888 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 16:55:28,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:55:28,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:55:28,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,915 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 16:55:28,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,916 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 16:55:28,922 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 16:55:28,923 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 16:55:28,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,949 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 16:55:28,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,950 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 16:55:28,951 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 16:55:28,952 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 16:55:28,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:28,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:28,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:28,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:28,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:28,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:28,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:28,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:28,986 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 16:55:28,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:28,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:28,988 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 16:55:28,994 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 16:55:28,994 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 16:55:29,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:29,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:29,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:29,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:29,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:29,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:29,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:29,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:55:29,019 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 16:55:29,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:29,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:29,020 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 16:55:29,021 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 16:55:29,022 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 16:55:29,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:55:29,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:55:29,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:55:29,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:55:29,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:55:29,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:55:29,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:55:29,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 16:55:29,062 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 16:55:29,062 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 16:55:29,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:55:29,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:55:29,069 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 16:55:29,074 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 16:55:29,074 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 16:55:29,074 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 16:55:29,074 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 16:55:29,075 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 19 Supporting invariants [] [2021-08-27 16:55:29,100 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 16:55:29,101 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 16:55:29,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:55:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:55:29,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 16:55:29,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 16:55:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:55:29,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 16:55:29,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 16:55:29,465 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 16:55:29,634 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 16:55:29,637 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 16:55:29,638 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 113 states and 157 transitions. cyclomatic complexity: 45 Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 16:55:29,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 113 states and 157 transitions. cyclomatic complexity: 45. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 188 states and 277 transitions. Complement of second has 4 states. [2021-08-27 16:55:29,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 16:55:29,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 16:55:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2021-08-27 16:55:29,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 157 transitions. Stem has 38 letters. Loop has 27 letters. [2021-08-27 16:55:29,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 16:55:29,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 157 transitions. Stem has 65 letters. Loop has 27 letters. [2021-08-27 16:55:29,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 16:55:29,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 157 transitions. Stem has 38 letters. Loop has 54 letters. [2021-08-27 16:55:29,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 16:55:29,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 277 transitions. [2021-08-27 16:55:29,709 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 16:55:29,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 0 states and 0 transitions. [2021-08-27 16:55:29,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 16:55:29,710 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 16:55:29,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 16:55:29,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:55:29,710 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:55:29,710 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:55:29,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:55:29,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 16:55:29,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 16:55:29,711 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 16:55:29,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:55:29,712 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 16:55:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 16:55:29,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 16:55:29,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 16:55:29,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 16:55:29,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 16:55:29,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 16:55:29,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 16:55:29,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:55:29,712 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:55:29,712 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:55:29,712 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:55:29,712 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 16:55:29,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 16:55:29,713 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 16:55:29,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 16:55:29,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 04:55:29 BoogieIcfgContainer [2021-08-27 16:55:29,718 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 16:55:29,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 16:55:29,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 16:55:29,719 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 16:55:29,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:55:24" (3/4) ... [2021-08-27 16:55:29,722 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 16:55:29,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 16:55:29,723 INFO L168 Benchmark]: Toolchain (without parser) took 7105.99 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 33.0 MB in the beginning and 27.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:55:29,724 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.6 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:55:29,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.42 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 47.3 MB in the end (delta: -14.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:55:29,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.24 ms. Allocated memory is still 67.1 MB. Free memory was 47.3 MB in the beginning and 44.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 16:55:29,730 INFO L168 Benchmark]: Boogie Preprocessor took 48.72 ms. Allocated memory is still 67.1 MB. Free memory was 44.7 MB in the beginning and 42.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:55:29,730 INFO L168 Benchmark]: RCFGBuilder took 747.57 ms. Allocated memory is still 67.1 MB. Free memory was 42.4 MB in the beginning and 31.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:55:29,730 INFO L168 Benchmark]: BuchiAutomizer took 5545.64 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 31.0 MB in the beginning and 27.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:55:29,730 INFO L168 Benchmark]: Witness Printer took 3.15 ms. Allocated memory is still 98.6 MB. Free memory is still 27.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:55:29,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.6 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 673.42 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 47.3 MB in the end (delta: -14.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.24 ms. Allocated memory is still 67.1 MB. Free memory was 47.3 MB in the beginning and 44.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.72 ms. Allocated memory is still 67.1 MB. Free memory was 44.7 MB in the beginning and 42.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 747.57 ms. Allocated memory is still 67.1 MB. Free memory was 42.4 MB in the beginning and 31.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5545.64 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 31.0 MB in the beginning and 27.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.15 ms. Allocated memory is still 98.6 MB. Free memory is still 27.0 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 27.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 113 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 506 SDtfs, 278 SDslu, 1129 SDs, 0 SdLazy, 26 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.2ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital166 mio100 ax136 hnf108 lsp25 ukn100 mio100 lsp100 div103 bol100 ite100 ukn100 eq221 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 16:55:29,760 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...