./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.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.6.ufo.BOUNDED-12.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 81e81bd45246ab5f441dffb594ab0282dd38ab9a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:56:06,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 16:56:06,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 16:56:06,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 16:56:06,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 16:56:06,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 16:56:06,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 16:56:06,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 16:56:06,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 16:56:06,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 16:56:06,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 16:56:06,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 16:56:06,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 16:56:06,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 16:56:06,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 16:56:06,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 16:56:06,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 16:56:06,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 16:56:06,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 16:56:06,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 16:56:06,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 16:56:06,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 16:56:06,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 16:56:06,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 16:56:06,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 16:56:06,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 16:56:06,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 16:56:06,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 16:56:06,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 16:56:06,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 16:56:06,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 16:56:06,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 16:56:06,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 16:56:06,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 16:56:06,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 16:56:06,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 16:56:06,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 16:56:06,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 16:56:06,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 16:56:06,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 16:56:06,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 16:56:06,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 16:56:06,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 16:56:06,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 16:56:06,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 16:56:06,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 16:56:06,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 16:56:06,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 16:56:06,584 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 16:56:06,585 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 16:56:06,585 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 16:56:06,585 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 16:56:06,586 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 16:56:06,586 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 16:56:06,586 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 16:56:06,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 16:56:06,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 16:56:06,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 16:56:06,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 16:56:06,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 16:56:06,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 16:56:06,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 16:56:06,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 16:56:06,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 16:56:06,593 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 16:56:06,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 16:56:06,593 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 16:56:06,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 16:56:06,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 16:56:06,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 16:56:06,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 16:56:06,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 16:56:06,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 16:56:06,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 16:56:06,597 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 16:56:06,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81e81bd45246ab5f441dffb594ab0282dd38ab9a [2021-08-27 16:56:06,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 16:56:06,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 16:56:06,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 16:56:06,955 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 16:56:06,955 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 16:56:06,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-08-27 16:56:07,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427cd7802/8cc14e3739e54953af193af84eca1432/FLAGdcac9481c [2021-08-27 16:56:07,549 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 16:56:07,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-08-27 16:56:07,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427cd7802/8cc14e3739e54953af193af84eca1432/FLAGdcac9481c [2021-08-27 16:56:08,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427cd7802/8cc14e3739e54953af193af84eca1432 [2021-08-27 16:56:08,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 16:56:08,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 16:56:08,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 16:56:08,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 16:56:08,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 16:56:08,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5eb532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08, skipping insertion in model container [2021-08-27 16:56:08,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 16:56:08,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 16:56:08,371 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.6.ufo.BOUNDED-12.pals.c[17053,17066] [2021-08-27 16:56:08,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:56:08,386 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 16:56:08,435 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.6.ufo.BOUNDED-12.pals.c[17053,17066] [2021-08-27 16:56:08,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:56:08,468 INFO L208 MainTranslator]: Completed translation [2021-08-27 16:56:08,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08 WrapperNode [2021-08-27 16:56:08,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 16:56:08,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 16:56:08,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 16:56:08,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 16:56:08,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 16:56:08,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 16:56:08,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 16:56:08,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 16:56:08,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 16:56:08,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 16:56:08,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 16:56:08,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 16:56:08,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (1/1) ... [2021-08-27 16:56:08,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:08,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:08,630 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 16:56:08,632 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 16:56:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 16:56:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 16:56:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 16:56:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 16:56:09,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 16:56:09,418 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-08-27 16:56:09,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:56:09 BoogieIcfgContainer [2021-08-27 16:56:09,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 16:56:09,422 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 16:56:09,423 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 16:56:09,426 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 16:56:09,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:56:09,427 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 04:56:08" (1/3) ... [2021-08-27 16:56:09,427 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@298f5015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:56:09, skipping insertion in model container [2021-08-27 16:56:09,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:56:09,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:56:08" (2/3) ... [2021-08-27 16:56:09,428 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@298f5015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:56:09, skipping insertion in model container [2021-08-27 16:56:09,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:56:09,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:56:09" (3/3) ... [2021-08-27 16:56:09,430 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-08-27 16:56:09,473 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 16:56:09,473 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 16:56:09,473 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 16:56:09,473 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 16:56:09,473 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 16:56:09,473 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 16:56:09,474 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 16:56:09,474 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 16:56:09,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 144 states, 143 states have (on average 1.7132867132867133) internal successors, (245), 143 states have internal predecessors, (245), 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 16:56:09,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-08-27 16:56:09,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:56:09,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:56:09,548 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:56:09,548 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, 1, 1, 1] [2021-08-27 16:56:09,548 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 16:56:09,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 144 states, 143 states have (on average 1.7132867132867133) internal successors, (245), 143 states have internal predecessors, (245), 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 16:56:09,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-08-27 16:56:09,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:56:09,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:56:09,556 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:56:09,556 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, 1, 1, 1] [2021-08-27 16:56:09,562 INFO L791 eck$LassoCheckResult]: Stem: 124#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(48);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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 38#L-1true havoc main_#res;havoc 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~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 137#L290true assume !(0 == ~r1~0);init_~tmp~0 := 0; 120#L290-1true init_#res := init_~tmp~0; 5#L455true main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;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; 41#L22true assume 0 == assume_abort_if_not_~cond;assume false; 95#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 114#L531-2true [2021-08-27 16:56:09,563 INFO L793 eck$LassoCheckResult]: Loop: 114#L531-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 121#L84true 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 92#L88true assume !(node1_~m1~0 != ~nomsg~0); 116#L88-1true ~mode1~0 := 0; 26#L84-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 125#L119true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 49#L122true assume !(node2_~m2~0 != ~nomsg~0); 42#L122-1true ~mode2~0 := 0; 44#L119-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 10#L153true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 134#L156true assume !(node3_~m3~0 != ~nomsg~0); 98#L156-1true ~mode3~0 := 0; 129#L153-2true havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 127#L187true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 61#L190true assume !(node4_~m4~0 != ~nomsg~0); 96#L190-1true ~mode4~0 := 0; 83#L187-2true havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 86#L221true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 78#L224true assume !(node5_~m5~0 != ~nomsg~0); 126#L224-1true ~mode5~0 := 0; 59#L221-2true havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 20#L255true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 32#L258true assume !(node6_~m6~0 != ~nomsg~0); 13#L258-1true ~mode6~0 := 0; 133#L255-2true ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 39#L463true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 140#L463-1true check_#res := check_~tmp~1; 72#L475true main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 15#L564true assume !(0 == assert_~arg % 256); 46#L559true main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 114#L531-2true [2021-08-27 16:56:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:09,569 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2021-08-27 16:56:09,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:56:09,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288176678] [2021-08-27 16:56:09,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:56:09,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:56:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:56:09,742 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 16:56:09,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:56:09,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288176678] [2021-08-27 16:56:09,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288176678] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:56:09,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:56:09,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 16:56:09,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402051042] [2021-08-27 16:56:09,757 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 16:56:09,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:09,762 INFO L82 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 1 times [2021-08-27 16:56:09,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:56:09,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943113109] [2021-08-27 16:56:09,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:56:09,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:56:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:56:09,984 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 16:56:09,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:56:09,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943113109] [2021-08-27 16:56:09,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943113109] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:56:09,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:56:09,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:56:09,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288450462] [2021-08-27 16:56:09,989 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 16:56:09,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:56:10,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-27 16:56:10,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-27 16:56:10,005 INFO L87 Difference]: Start difference. First operand has 144 states, 143 states have (on average 1.7132867132867133) internal successors, (245), 143 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 16:56:10,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:56:10,029 INFO L93 Difference]: Finished difference Result 144 states and 242 transitions. [2021-08-27 16:56:10,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 16:56:10,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 242 transitions. [2021-08-27 16:56:10,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-08-27 16:56:10,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 139 states and 237 transitions. [2021-08-27 16:56:10,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-08-27 16:56:10,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-08-27 16:56:10,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 237 transitions. [2021-08-27 16:56:10,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:56:10,050 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-08-27 16:56:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 237 transitions. [2021-08-27 16:56:10,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-08-27 16:56:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.7050359712230216) internal successors, (237), 138 states have internal predecessors, (237), 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 16:56:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 237 transitions. [2021-08-27 16:56:10,086 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-08-27 16:56:10,086 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-08-27 16:56:10,086 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 16:56:10,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 237 transitions. [2021-08-27 16:56:10,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-08-27 16:56:10,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:56:10,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:56:10,092 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:56:10,092 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, 1, 1, 1] [2021-08-27 16:56:10,093 INFO L791 eck$LassoCheckResult]: Stem: 435#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(48);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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 368#L-1 havoc main_#res;havoc 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~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 369#L290 assume !(0 == ~r1~0);init_~tmp~0 := 0; 302#L290-1 init_#res := init_~tmp~0; 304#L455 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;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; 305#L22 assume !(0 == assume_abort_if_not_~cond); 370#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 373#L531-2 [2021-08-27 16:56:10,093 INFO L793 eck$LassoCheckResult]: Loop: 373#L531-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 434#L84 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 423#L88 assume !(node1_~m1~0 != ~nomsg~0); 362#L88-1 ~mode1~0 := 0; 348#L84-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 349#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 378#L122 assume !(node2_~m2~0 != ~nomsg~0); 341#L122-1 ~mode2~0 := 0; 331#L119-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 313#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 314#L156 assume !(node3_~m3~0 != ~nomsg~0); 311#L156-1 ~mode3~0 := 0; 427#L153-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 436#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 389#L190 assume !(node4_~m4~0 != ~nomsg~0); 390#L190-1 ~mode4~0 := 0; 418#L187-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 419#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 413#L224 assume !(node5_~m5~0 != ~nomsg~0); 318#L224-1 ~mode5~0 := 0; 384#L221-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 332#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 333#L258 assume !(node6_~m6~0 != ~nomsg~0); 321#L258-1 ~mode6~0 := 0; 322#L255-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 365#L463 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 366#L463-1 check_#res := check_~tmp~1; 403#L475 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 324#L564 assume !(0 == assert_~arg % 256); 325#L559 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 373#L531-2 [2021-08-27 16:56:10,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:10,094 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2021-08-27 16:56:10,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:56:10,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021159042] [2021-08-27 16:56:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:56:10,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:56:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:56:10,206 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 16:56:10,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:56:10,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021159042] [2021-08-27 16:56:10,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021159042] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:56:10,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:56:10,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:56:10,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687227423] [2021-08-27 16:56:10,209 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 16:56:10,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:10,213 INFO L82 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 2 times [2021-08-27 16:56:10,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:56:10,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050072809] [2021-08-27 16:56:10,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:56:10,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:56:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:56:10,340 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 16:56:10,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:56:10,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050072809] [2021-08-27 16:56:10,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050072809] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:56:10,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:56:10,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:56:10,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027421953] [2021-08-27 16:56:10,346 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 16:56:10,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:56:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 16:56:10,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 16:56:10,349 INFO L87 Difference]: Start difference. First operand 139 states and 237 transitions. cyclomatic complexity: 99 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 16:56:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:56:10,475 INFO L93 Difference]: Finished difference Result 142 states and 239 transitions. [2021-08-27 16:56:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 16:56:10,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 239 transitions. [2021-08-27 16:56:10,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-08-27 16:56:10,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 196 transitions. [2021-08-27 16:56:10,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-08-27 16:56:10,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-08-27 16:56:10,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 196 transitions. [2021-08-27 16:56:10,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:56:10,488 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-08-27 16:56:10,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 196 transitions. [2021-08-27 16:56:10,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-08-27 16:56:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.410071942446043) internal successors, (196), 138 states have internal predecessors, (196), 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 16:56:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 196 transitions. [2021-08-27 16:56:10,493 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-08-27 16:56:10,493 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-08-27 16:56:10,493 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 16:56:10,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 196 transitions. [2021-08-27 16:56:10,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-08-27 16:56:10,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:56:10,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:56:10,497 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:56:10,498 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, 1, 1, 1] [2021-08-27 16:56:10,499 INFO L791 eck$LassoCheckResult]: Stem: 731#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(48);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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 663#L-1 havoc main_#res;havoc 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~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 664#L290 assume 0 == ~r1~0; 707#L291 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 708#L292 assume ~id1~0 >= 0; 718#L293 assume 0 == ~st1~0; 729#L294 assume ~send1~0 == ~id1~0; 603#L295 assume 0 == ~mode1~0 % 256; 604#L296 assume ~id2~0 >= 0; 653#L297 assume 0 == ~st2~0; 650#L298 assume ~send2~0 == ~id2~0; 651#L299 assume 0 == ~mode2~0 % 256; 658#L300 assume ~id3~0 >= 0; 695#L301 assume 0 == ~st3~0; 716#L302 assume ~send3~0 == ~id3~0; 717#L303 assume 0 == ~mode3~0 % 256; 722#L304 assume ~id4~0 >= 0; 689#L305 assume 0 == ~st4~0; 690#L306 assume ~send4~0 == ~id4~0; 706#L307 assume 0 == ~mode4~0 % 256; 614#L308 assume ~id5~0 >= 0; 615#L309 assume 0 == ~st5~0; 703#L310 assume ~send5~0 == ~id5~0; 674#L311 assume 0 == ~mode5~0 % 256; 675#L312 assume ~id6~0 >= 0; 638#L313 assume 0 == ~st6~0; 639#L314 assume ~send6~0 == ~id6~0; 669#L315 assume 0 == ~mode6~0 % 256; 670#L316 assume ~id1~0 != ~id2~0; 601#L317 assume ~id1~0 != ~id3~0; 602#L318 assume ~id1~0 != ~id4~0; 733#L319 assume ~id1~0 != ~id5~0; 713#L320 assume ~id1~0 != ~id6~0; 691#L321 assume ~id2~0 != ~id3~0; 692#L322 assume ~id2~0 != ~id4~0; 597#L323 assume ~id2~0 != ~id5~0; 598#L324 assume ~id2~0 != ~id6~0; 624#L325 assume ~id3~0 != ~id4~0; 646#L326 assume ~id3~0 != ~id5~0; 633#L327 assume ~id3~0 != ~id6~0; 634#L328 assume ~id4~0 != ~id5~0; 654#L329 assume ~id4~0 != ~id6~0; 655#L330 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 676#L290-1 init_#res := init_~tmp~0; 599#L455 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;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; 600#L22 assume !(0 == assume_abort_if_not_~cond); 665#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 668#L531-2 [2021-08-27 16:56:10,500 INFO L793 eck$LassoCheckResult]: Loop: 668#L531-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 730#L84 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 719#L88 assume !(node1_~m1~0 != ~nomsg~0); 657#L88-1 ~mode1~0 := 0; 643#L84-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 644#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 673#L122 assume !(node2_~m2~0 != ~nomsg~0); 636#L122-1 ~mode2~0 := 0; 626#L119-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 608#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 609#L156 assume !(node3_~m3~0 != ~nomsg~0); 606#L156-1 ~mode3~0 := 0; 723#L153-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 732#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 685#L190 assume !(node4_~m4~0 != ~nomsg~0); 686#L190-1 ~mode4~0 := 0; 714#L187-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 715#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 709#L224 assume !(node5_~m5~0 != ~nomsg~0); 613#L224-1 ~mode5~0 := 0; 683#L221-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 627#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 628#L258 assume !(node6_~m6~0 != ~nomsg~0); 616#L258-1 ~mode6~0 := 0; 617#L255-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 660#L463 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 661#L463-1 check_#res := check_~tmp~1; 699#L475 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 619#L564 assume !(0 == assert_~arg % 256); 620#L559 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 668#L531-2 [2021-08-27 16:56:10,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:10,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2021-08-27 16:56:10,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:56:10,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937701836] [2021-08-27 16:56:10,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:56:10,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:56:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:56:10,540 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:56:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:56:10,627 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:56:10,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:10,627 INFO L82 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 3 times [2021-08-27 16:56:10,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:56:10,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21423754] [2021-08-27 16:56:10,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:56:10,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:56:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:56:10,703 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 16:56:10,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:56:10,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21423754] [2021-08-27 16:56:10,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21423754] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:56:10,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:56:10,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:56:10,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893818424] [2021-08-27 16:56:10,705 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 16:56:10,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:56:10,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 16:56:10,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 16:56:10,706 INFO L87 Difference]: Start difference. First operand 139 states and 196 transitions. cyclomatic complexity: 58 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 16:56:10,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:56:10,741 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2021-08-27 16:56:10,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 16:56:10,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2021-08-27 16:56:10,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-08-27 16:56:10,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 194 transitions. [2021-08-27 16:56:10,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-08-27 16:56:10,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-08-27 16:56:10,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 194 transitions. [2021-08-27 16:56:10,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:56:10,744 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-08-27 16:56:10,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 194 transitions. [2021-08-27 16:56:10,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-08-27 16:56:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.39568345323741) internal successors, (194), 138 states have internal predecessors, (194), 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 16:56:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 194 transitions. [2021-08-27 16:56:10,749 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-08-27 16:56:10,749 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-08-27 16:56:10,749 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 16:56:10,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 194 transitions. [2021-08-27 16:56:10,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-08-27 16:56:10,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:56:10,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:56:10,751 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:56:10,751 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, 1, 1, 1, 1] [2021-08-27 16:56:10,751 INFO L791 eck$LassoCheckResult]: Stem: 1024#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(48);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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 955#L-1 havoc main_#res;havoc 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~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 956#L290 assume 0 == ~r1~0; 999#L291 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 1000#L292 assume ~id1~0 >= 0; 1010#L293 assume 0 == ~st1~0; 1023#L294 assume ~send1~0 == ~id1~0; 896#L295 assume 0 == ~mode1~0 % 256; 897#L296 assume ~id2~0 >= 0; 946#L297 assume 0 == ~st2~0; 943#L298 assume ~send2~0 == ~id2~0; 944#L299 assume 0 == ~mode2~0 % 256; 951#L300 assume ~id3~0 >= 0; 987#L301 assume 0 == ~st3~0; 1008#L302 assume ~send3~0 == ~id3~0; 1009#L303 assume 0 == ~mode3~0 % 256; 1014#L304 assume ~id4~0 >= 0; 981#L305 assume 0 == ~st4~0; 982#L306 assume ~send4~0 == ~id4~0; 998#L307 assume 0 == ~mode4~0 % 256; 907#L308 assume ~id5~0 >= 0; 908#L309 assume 0 == ~st5~0; 995#L310 assume ~send5~0 == ~id5~0; 966#L311 assume 0 == ~mode5~0 % 256; 967#L312 assume ~id6~0 >= 0; 931#L313 assume 0 == ~st6~0; 932#L314 assume ~send6~0 == ~id6~0; 960#L315 assume 0 == ~mode6~0 % 256; 961#L316 assume ~id1~0 != ~id2~0; 894#L317 assume ~id1~0 != ~id3~0; 895#L318 assume ~id1~0 != ~id4~0; 1026#L319 assume ~id1~0 != ~id5~0; 1005#L320 assume ~id1~0 != ~id6~0; 983#L321 assume ~id2~0 != ~id3~0; 984#L322 assume ~id2~0 != ~id4~0; 890#L323 assume ~id2~0 != ~id5~0; 891#L324 assume ~id2~0 != ~id6~0; 914#L325 assume ~id3~0 != ~id4~0; 939#L326 assume ~id3~0 != ~id5~0; 926#L327 assume ~id3~0 != ~id6~0; 927#L328 assume ~id4~0 != ~id5~0; 947#L329 assume ~id4~0 != ~id6~0; 948#L330 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 968#L290-1 init_#res := init_~tmp~0; 892#L455 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;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; 893#L22 assume !(0 == assume_abort_if_not_~cond); 957#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 962#L531-2 [2021-08-27 16:56:10,752 INFO L793 eck$LassoCheckResult]: Loop: 962#L531-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1022#L84 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 1011#L88 assume !(node1_~m1~0 != ~nomsg~0); 950#L88-1 ~mode1~0 := 0; 936#L84-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 937#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 965#L122 assume !(node2_~m2~0 != ~nomsg~0); 929#L122-1 ~mode2~0 := 0; 919#L119-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 901#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 902#L156 assume !(node3_~m3~0 != ~nomsg~0); 899#L156-1 ~mode3~0 := 0; 1015#L153-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1025#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 977#L190 assume !(node4_~m4~0 != ~nomsg~0); 978#L190-1 ~mode4~0 := 0; 1006#L187-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1007#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 1001#L224 assume !(node5_~m5~0 != ~nomsg~0); 906#L224-1 ~mode5~0 := 0; 975#L221-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 920#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 921#L258 assume !(node6_~m6~0 != ~nomsg~0); 909#L258-1 ~mode6~0 := 0; 910#L255-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 953#L463 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 954#L464 assume ~r1~0 < 6;check_~tmp~1 := 1; 1018#L463-1 check_#res := check_~tmp~1; 991#L475 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 912#L564 assume !(0 == assert_~arg % 256); 913#L559 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 962#L531-2 [2021-08-27 16:56:10,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:10,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2021-08-27 16:56:10,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:56:10,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219979409] [2021-08-27 16:56:10,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:56:10,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:56:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:56:10,772 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:56:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:56:10,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:56:10,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:10,810 INFO L82 PathProgramCache]: Analyzing trace with hash 911844111, now seen corresponding path program 1 times [2021-08-27 16:56:10,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:56:10,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284681157] [2021-08-27 16:56:10,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:56:10,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:56:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:56:10,819 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:56:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:56:10,830 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:56:10,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:10,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1786874990, now seen corresponding path program 1 times [2021-08-27 16:56:10,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:56:10,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010811791] [2021-08-27 16:56:10,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:56:10,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:56:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:56:10,881 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 16:56:10,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:56:10,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010811791] [2021-08-27 16:56:10,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010811791] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:56:10,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:56:10,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 16:56:10,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946285095] [2021-08-27 16:56:12,191 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 16:56:12,192 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 16:56:12,192 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 16:56:12,192 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 16:56:12,192 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 16:56:12,192 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:12,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 16:56:12,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 16:56:12,193 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-08-27 16:56:12,193 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 16:56:12,193 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 16:56:12,212 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 16:56:12,220 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 16:56:12,223 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 16:56:12,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:56:12,227 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 16:56:12,230 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 16:56:12,232 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 16:56:12,234 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 16:56:12,236 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 16:56:12,242 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 16:56:12,244 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 16:56:12,247 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 16:56:12,261 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 16:56:12,264 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 16:56:12,269 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 16:56:12,271 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 16:56:12,274 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 16:56:12,277 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 16:56:12,281 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 16:56:12,342 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 16:56:12,345 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 16:56:12,351 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 16:56:12,353 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 16:56:12,358 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 16:56:12,360 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 16:56:12,366 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 16:56:12,372 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 16:56:12,375 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 16:56:12,378 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 16:56:12,381 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 16:56:12,386 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 16:56:12,388 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 16:56:12,391 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 16:56:12,393 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 16:56:12,395 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 16:56:12,397 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 16:56:12,403 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 16:56:12,406 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 16:56:13,381 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 16:56:13,382 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 16:56:13,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:13,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:13,389 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 16:56:13,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 16:56:13,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 16:56:13,406 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 16:56:13,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 16:56:13,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:13,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:13,437 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 16:56:13,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 16:56:13,443 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 16:56:13,460 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 16:56:13,570 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 16:56:13,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-08-27 16:56:13,576 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 16:56:13,576 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 16:56:13,576 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 16:56:13,576 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 16:56:13,576 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 16:56:13,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:13,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 16:56:13,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 16:56:13,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-08-27 16:56:13,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 16:56:13,576 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 16:56:13,580 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 16:56:13,589 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 16:56:13,592 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 16:56:13,594 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 16:56:13,596 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 16:56:13,598 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 16:56:13,600 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 16:56:13,602 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 16:56:13,605 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 16:56:13,607 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 16:56:13,613 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 16:56:13,616 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 16:56:13,628 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 16:56:13,631 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 16:56:13,637 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 16:56:13,640 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 16:56:13,642 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 16:56:13,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:56:13,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:56:13,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:56:13,656 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 16:56:13,659 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 16:56:13,664 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 16:56:13,666 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 16:56:13,672 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 16:56:13,675 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 16:56:13,684 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 16:56:13,687 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 16:56:13,692 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 16:56:13,695 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 16:56:13,697 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 16:56:13,700 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 16:56:13,702 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 16:56:13,704 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 16:56:13,706 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 16:56:13,711 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 16:56:13,714 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 16:56:13,763 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 16:56:14,508 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 16:56:14,512 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 16:56:14,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,521 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 16:56:14,530 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 16:56:14,531 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 16:56:14,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:14,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:14,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:14,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,564 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 16:56:14,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,566 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 16:56:14,566 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 16:56:14,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 16:56:14,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:56:14,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:56:14,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-08-27 16:56:14,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,598 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 16:56:14,599 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 16:56:14,600 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 16:56:14,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:14,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:14,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:14,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,626 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 16:56:14,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,627 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 16:56:14,628 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 16:56:14,629 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 16:56:14,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:14,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:14,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:14,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,655 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 16:56:14,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,656 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 16:56:14,656 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 16:56:14,658 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 16:56:14,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:14,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:14,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:14,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,685 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 16:56:14,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,686 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 16:56:14,687 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 16:56:14,688 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 16:56:14,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:14,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:14,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:14,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,729 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 16:56:14,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,738 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 16:56:14,741 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 16:56:14,741 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 16:56:14,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:14,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:14,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:14,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-08-27 16:56:14,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,767 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 16:56:14,767 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 16:56:14,769 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 16:56:14,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:14,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:14,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:14,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,794 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 16:56:14,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,795 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 16:56:14,795 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 16:56:14,797 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 16:56:14,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:56:14,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:56:14,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,832 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 16:56:14,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,833 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 16:56:14,833 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 16:56:14,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 16:56:14,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:14,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:14,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:14,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,890 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 16:56:14,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,892 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 16:56:14,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 16:56:14,904 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 16:56:14,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:14,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:56:14,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:56:14,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,949 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 16:56:14,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,951 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 16:56:14,954 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 16:56:14,957 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 16:56:14,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:14,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:14,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:14,965 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 16:56:14,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:14,969 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 16:56:14,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:14,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:14,997 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 16:56:14,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:14,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:14,998 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 16:56:15,001 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 16:56:15,001 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 16:56:15,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:56:15,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:56:15,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:15,034 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 16:56:15,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,040 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 16:56:15,040 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 16:56:15,041 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 16:56:15,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:15,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:15,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:15,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:15,072 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 16:56:15,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,074 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 16:56:15,074 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 16:56:15,076 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 16:56:15,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:56:15,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:56:15,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:15,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-08-27 16:56:15,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,104 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 16:56:15,105 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 16:56:15,106 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 16:56:15,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:15,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:15,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:15,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:15,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-27 16:56:15,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,143 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 16:56:15,146 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 16:56:15,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 16:56:15,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:15,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:15,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:15,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:15,202 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 16:56:15,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,217 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 16:56:15,224 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 16:56:15,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:56:15,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:56:15,238 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 16:56:15,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:15,270 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 16:56:15,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,271 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 16:56:15,274 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 16:56:15,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 16:56:15,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:15,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:15,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:15,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:15,298 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 16:56:15,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,299 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 16:56:15,300 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 16:56:15,301 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 16:56:15,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:15,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:15,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:15,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:15,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-27 16:56:15,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,335 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 16:56:15,339 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 16:56:15,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 16:56:15,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:15,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:15,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:15,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:56:15,377 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 16:56:15,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,378 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 16:56:15,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 16:56:15,380 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 16:56:15,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:56:15,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:56:15,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:56:15,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:56:15,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:56:15,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:56:15,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:56:15,390 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 16:56:15,414 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 16:56:15,414 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 16:56:15,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:56:15,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:56:15,417 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 16:56:15,425 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 16:56:15,425 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 16:56:15,426 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 16:56:15,426 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] [2021-08-27 16:56:15,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-27 16:56:15,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-27 16:56:15,452 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 16:56:15,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:56:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:56:15,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 16:56:15,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 16:56:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:56:15,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 16:56:15,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 16:56:15,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-27 16:56:16,057 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 16:56:16,060 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 16:56:16,061 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56 Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 16:56:16,102 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 231 states and 342 transitions. Complement of second has 4 states. [2021-08-27 16:56:16,103 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 16:56:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 16:56:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2021-08-27 16:56:16,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 31 letters. [2021-08-27 16:56:16,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 16:56:16,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 78 letters. Loop has 31 letters. [2021-08-27 16:56:16,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 16:56:16,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 62 letters. [2021-08-27 16:56:16,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 16:56:16,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 342 transitions. [2021-08-27 16:56:16,110 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 16:56:16,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 0 states and 0 transitions. [2021-08-27 16:56:16,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 16:56:16,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 16:56:16,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 16:56:16,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:56:16,110 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:56:16,110 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:56:16,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:56:16,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 16:56:16,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 16:56:16,111 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 16:56:16,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:56:16,112 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 16:56:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 16:56:16,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 16:56:16,112 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 16:56:16,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 16:56:16,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 16:56:16,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 16:56:16,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 16:56:16,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:56:16,113 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:56:16,113 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:56:16,113 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:56:16,113 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 16:56:16,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 16:56:16,113 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 16:56:16,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 16:56:16,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 04:56:16 BoogieIcfgContainer [2021-08-27 16:56:16,118 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 16:56:16,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 16:56:16,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 16:56:16,119 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 16:56:16,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:56:09" (3/4) ... [2021-08-27 16:56:16,121 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 16:56:16,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 16:56:16,123 INFO L168 Benchmark]: Toolchain (without parser) took 8059.52 ms. Allocated memory was 50.3 MB in the beginning and 176.2 MB in the end (delta: 125.8 MB). Free memory was 26.4 MB in the beginning and 104.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. [2021-08-27 16:56:16,123 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:56:16,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.11 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 39.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-08-27 16:56:16,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.96 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 36.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:56:16,124 INFO L168 Benchmark]: Boogie Preprocessor took 52.15 ms. Allocated memory is still 60.8 MB. Free memory was 36.6 MB in the beginning and 34.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 16:56:16,125 INFO L168 Benchmark]: RCFGBuilder took 823.71 ms. Allocated memory is still 60.8 MB. Free memory was 34.2 MB in the beginning and 28.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:56:16,125 INFO L168 Benchmark]: BuchiAutomizer took 6696.78 ms. Allocated memory was 60.8 MB in the beginning and 176.2 MB in the end (delta: 115.3 MB). Free memory was 28.3 MB in the beginning and 104.1 MB in the end (delta: -75.8 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:56:16,126 INFO L168 Benchmark]: Witness Printer took 2.91 ms. Allocated memory is still 176.2 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:56:16,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 387.11 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 39.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.96 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 36.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.15 ms. Allocated memory is still 60.8 MB. Free memory was 36.6 MB in the beginning and 34.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 823.71 ms. Allocated memory is still 60.8 MB. Free memory was 34.2 MB in the beginning and 28.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6696.78 ms. Allocated memory was 60.8 MB in the beginning and 176.2 MB in the end (delta: 115.3 MB). Free memory was 28.3 MB in the beginning and 104.1 MB in the end (delta: -75.8 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. * Witness Printer took 2.91 ms. Allocated memory is still 176.2 MB. Free memory is still 104.1 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 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 23 + -2 * i2 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 34.0ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 139 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 863 SDtfs, 343 SDslu, 1382 SDs, 0 SdLazy, 26 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital188 mio100 ax138 hnf109 lsp26 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms 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 16:56:16,159 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...