./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.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_floodmax.4.ufo.BOUNDED-8.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 bf14385b979cabd9efab1befa18309558beb6ab1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:49:25,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 16:49:25,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 16:49:25,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 16:49:25,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 16:49:25,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 16:49:25,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 16:49:25,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 16:49:25,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 16:49:25,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 16:49:25,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 16:49:25,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 16:49:25,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 16:49:25,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 16:49:25,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 16:49:25,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 16:49:25,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 16:49:25,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 16:49:25,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 16:49:25,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 16:49:25,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 16:49:25,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 16:49:25,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 16:49:25,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 16:49:25,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 16:49:25,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 16:49:25,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 16:49:25,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 16:49:25,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 16:49:25,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 16:49:25,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 16:49:25,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 16:49:25,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 16:49:25,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 16:49:25,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 16:49:25,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 16:49:25,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 16:49:25,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 16:49:25,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 16:49:25,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 16:49:25,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 16:49:25,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 16:49:25,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 16:49:25,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 16:49:25,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 16:49:25,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 16:49:25,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 16:49:25,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 16:49:25,584 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 16:49:25,584 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 16:49:25,585 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 16:49:25,585 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 16:49:25,585 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 16:49:25,586 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 16:49:25,586 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 16:49:25,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 16:49:25,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 16:49:25,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 16:49:25,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 16:49:25,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 16:49:25,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 16:49:25,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 16:49:25,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 16:49:25,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 16:49:25,588 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 16:49:25,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 16:49:25,588 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 16:49:25,588 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 16:49:25,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 16:49:25,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 16:49:25,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 16:49:25,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 16:49:25,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 16:49:25,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 16:49:25,591 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 16:49:25,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf14385b979cabd9efab1befa18309558beb6ab1 [2021-08-27 16:49:25,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 16:49:25,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 16:49:25,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 16:49:25,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 16:49:25,895 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 16:49:25,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2021-08-27 16:49:25,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cab3807e/c225ad7c89084408b0ffd1bebd270efa/FLAG600a3a6a8 [2021-08-27 16:49:26,532 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 16:49:26,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2021-08-27 16:49:26,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cab3807e/c225ad7c89084408b0ffd1bebd270efa/FLAG600a3a6a8 [2021-08-27 16:49:26,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cab3807e/c225ad7c89084408b0ffd1bebd270efa [2021-08-27 16:49:26,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 16:49:26,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 16:49:26,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 16:49:26,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 16:49:26,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 16:49:26,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:49:26" (1/1) ... [2021-08-27 16:49:26,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30914b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:26, skipping insertion in model container [2021-08-27 16:49:26,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:49:26" (1/1) ... [2021-08-27 16:49:26,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 16:49:26,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 16:49:27,319 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_floodmax.4.ufo.BOUNDED-8.pals.c[28277,28290] [2021-08-27 16:49:27,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:49:27,336 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 16:49:27,431 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_floodmax.4.ufo.BOUNDED-8.pals.c[28277,28290] [2021-08-27 16:49:27,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:49:27,456 INFO L208 MainTranslator]: Completed translation [2021-08-27 16:49:27,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27 WrapperNode [2021-08-27 16:49:27,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 16:49:27,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 16:49:27,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 16:49:27,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 16:49:27,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 16:49:27,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 16:49:27,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 16:49:27,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 16:49:27,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 16:49:27,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 16:49:27,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 16:49:27,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 16:49:27,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (1/1) ... [2021-08-27 16:49:27,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:27,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:27,664 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 16:49:27,679 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 16:49:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 16:49:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 16:49:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 16:49:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 16:49:28,670 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 16:49:28,670 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-08-27 16:49:28,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:49:28 BoogieIcfgContainer [2021-08-27 16:49:28,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 16:49:28,677 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 16:49:28,677 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 16:49:28,680 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 16:49:28,680 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:49:28,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 04:49:26" (1/3) ... [2021-08-27 16:49:28,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68097721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:49:28, skipping insertion in model container [2021-08-27 16:49:28,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:49:28,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:27" (2/3) ... [2021-08-27 16:49:28,682 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68097721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:49:28, skipping insertion in model container [2021-08-27 16:49:28,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:49:28,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:49:28" (3/3) ... [2021-08-27 16:49:28,683 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.ufo.BOUNDED-8.pals.c [2021-08-27 16:49:28,727 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 16:49:28,727 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 16:49:28,727 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 16:49:28,728 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 16:49:28,729 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 16:49:28,729 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 16:49:28,729 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 16:49:28,729 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 16:49:28,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 303 states, 302 states have (on average 1.804635761589404) internal successors, (545), 302 states have internal predecessors, (545), 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 16:49:28,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2021-08-27 16:49:28,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:49:28,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:49:28,809 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:49:28,809 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] [2021-08-27 16:49:28,809 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 16:49:28,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 303 states, 302 states have (on average 1.804635761589404) internal successors, (545), 302 states have internal predecessors, (545), 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 16:49:28,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2021-08-27 16:49:28,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:49:28,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:49:28,820 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:49:28,821 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] [2021-08-27 16:49:28,827 INFO L791 eck$LassoCheckResult]: Stem: 294#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(37);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 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]; 202#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~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~ret59, main_#t~ret60, main_#t~post61, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~id2~0 := main_#t~nondet38;havoc main_#t~nondet38;~r2~0 := main_#t~nondet39;havoc main_#t~nondet39;~st2~0 := main_#t~nondet40;havoc main_#t~nondet40;~nl2~0 := main_#t~nondet41;havoc main_#t~nondet41;~m2~0 := main_#t~nondet42;havoc main_#t~nondet42;~max2~0 := main_#t~nondet43;havoc main_#t~nondet43;~mode2~0 := main_#t~nondet44;havoc main_#t~nondet44;~id3~0 := main_#t~nondet45;havoc main_#t~nondet45;~r3~0 := main_#t~nondet46;havoc main_#t~nondet46;~st3~0 := main_#t~nondet47;havoc main_#t~nondet47;~nl3~0 := main_#t~nondet48;havoc main_#t~nondet48;~m3~0 := main_#t~nondet49;havoc main_#t~nondet49;~max3~0 := main_#t~nondet50;havoc main_#t~nondet50;~mode3~0 := main_#t~nondet51;havoc main_#t~nondet51;~id4~0 := main_#t~nondet52;havoc main_#t~nondet52;~r4~0 := main_#t~nondet53;havoc main_#t~nondet53;~st4~0 := main_#t~nondet54;havoc main_#t~nondet54;~nl4~0 := main_#t~nondet55;havoc main_#t~nondet55;~m4~0 := main_#t~nondet56;havoc main_#t~nondet56;~max4~0 := main_#t~nondet57;havoc main_#t~nondet57;~mode4~0 := main_#t~nondet58;havoc main_#t~nondet58;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 171#L394true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 82#L405true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 126#L415true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 283#L426true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 198#L436true assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 190#L447true init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 174#L457true assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 141#L468true init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 160#L478true assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 288#L489true init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 46#L499true assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 242#L510true init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 203#L520true assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 44#L531true init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 80#L541true assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 205#L552true init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 241#L562true assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 54#L573true init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 98#L583true assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 265#L594true init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 209#L604true assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 167#L615true init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 148#L625true assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 256#L636true init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 248#L646true assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 162#L657true init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 199#L667true assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 114#L678true init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 111#L688true assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 207#L699true init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 133#L709true assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 36#L720true init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 56#L730true assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 145#L741true init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 27#L751true assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 253#L762true init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 6#L772true assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 76#L783true init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 204#L793true assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 11#L804true init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 89#L814true assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 150#L825true init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 146#L835true assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 175#L846true init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 159#L856true assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 280#L867true init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 21#L877true assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 22#L888true init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 91#L898true assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 142#L898-1true init_#res := init_~tmp___23~0; 295#L1067true main_#t~ret59 := init_#res;main_~i2~0 := main_#t~ret59;havoc main_#t~ret59;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; 107#L21true assume !(0 == assume_abort_if_not_~cond); 173#L20true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 132#L1204-2true [2021-08-27 16:49:28,828 INFO L793 eck$LassoCheckResult]: Loop: 132#L1204-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9; 127#L109true assume !(0 != ~mode1~0 % 256); 47#L141true assume !(~r1~0 < 3); 284#L141-1true ~mode1~0 := 1; 153#L109-2true havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12; 193#L162true assume !(0 != ~mode2~0 % 256); 259#L194true assume !(~r2~0 < 3); 9#L194-1true ~mode2~0 := 1; 59#L162-2true havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15; 163#L215true assume !(0 != ~mode3~0 % 256); 121#L247true assume !(~r3~0 < 3); 285#L247-1true ~mode3~0 := 1; 296#L215-2true havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18; 182#L268true assume !(0 != ~mode4~0 % 256); 229#L300true assume !(~r4~0 < 3); 50#L300-1true ~mode4~0 := 1; 268#L268-2true ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 129#L1075true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 304#L1075-1true check_#res := check_~tmp~1; 124#L1127true main_#t~ret60 := check_#res;main_~c1~0 := main_#t~ret60;havoc main_#t~ret60;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 270#L1247true assume !(0 == assert_~arg % 256); 5#L1242true main_#t~post61 := main_~i2~0;main_~i2~0 := 1 + main_#t~post61;havoc main_#t~post61; 132#L1204-2true [2021-08-27 16:49:28,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:49:28,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 1 times [2021-08-27 16:49:28,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:49:28,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566777780] [2021-08-27 16:49:28,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:49:28,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:49:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:49:29,208 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 16:49:29,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:49:29,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566777780] [2021-08-27 16:49:29,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566777780] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:49:29,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:49:29,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:49:29,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809575125] [2021-08-27 16:49:29,226 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 16:49:29,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:49:29,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1319514639, now seen corresponding path program 1 times [2021-08-27 16:49:29,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:49:29,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788021690] [2021-08-27 16:49:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:49:29,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:49:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:49:29,354 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 16:49:29,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:49:29,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788021690] [2021-08-27 16:49:29,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788021690] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:49:29,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:49:29,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:49:29,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488042175] [2021-08-27 16:49:29,357 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 16:49:29,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:49:29,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 16:49:29,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 16:49:29,370 INFO L87 Difference]: Start difference. First operand has 303 states, 302 states have (on average 1.804635761589404) internal successors, (545), 302 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 16:49:29,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:49:29,474 INFO L93 Difference]: Finished difference Result 307 states and 545 transitions. [2021-08-27 16:49:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 16:49:29,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 545 transitions. [2021-08-27 16:49:29,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-08-27 16:49:29,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 298 states and 528 transitions. [2021-08-27 16:49:29,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 298 [2021-08-27 16:49:29,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 298 [2021-08-27 16:49:29,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 298 states and 528 transitions. [2021-08-27 16:49:29,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:49:29,506 INFO L681 BuchiCegarLoop]: Abstraction has 298 states and 528 transitions. [2021-08-27 16:49:29,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states and 528 transitions. [2021-08-27 16:49:29,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2021-08-27 16:49:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 298 states have (on average 1.7718120805369129) internal successors, (528), 297 states have internal predecessors, (528), 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 16:49:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 528 transitions. [2021-08-27 16:49:29,557 INFO L704 BuchiCegarLoop]: Abstraction has 298 states and 528 transitions. [2021-08-27 16:49:29,557 INFO L587 BuchiCegarLoop]: Abstraction has 298 states and 528 transitions. [2021-08-27 16:49:29,557 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 16:49:29,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 298 states and 528 transitions. [2021-08-27 16:49:29,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-08-27 16:49:29,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:49:29,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:49:29,562 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:49:29,562 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 16:49:29,562 INFO L791 eck$LassoCheckResult]: Stem: 925#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(37);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 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]; 894#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~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~ret59, main_#t~ret60, main_#t~post61, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~id2~0 := main_#t~nondet38;havoc main_#t~nondet38;~r2~0 := main_#t~nondet39;havoc main_#t~nondet39;~st2~0 := main_#t~nondet40;havoc main_#t~nondet40;~nl2~0 := main_#t~nondet41;havoc main_#t~nondet41;~m2~0 := main_#t~nondet42;havoc main_#t~nondet42;~max2~0 := main_#t~nondet43;havoc main_#t~nondet43;~mode2~0 := main_#t~nondet44;havoc main_#t~nondet44;~id3~0 := main_#t~nondet45;havoc main_#t~nondet45;~r3~0 := main_#t~nondet46;havoc main_#t~nondet46;~st3~0 := main_#t~nondet47;havoc main_#t~nondet47;~nl3~0 := main_#t~nondet48;havoc main_#t~nondet48;~m3~0 := main_#t~nondet49;havoc main_#t~nondet49;~max3~0 := main_#t~nondet50;havoc main_#t~nondet50;~mode3~0 := main_#t~nondet51;havoc main_#t~nondet51;~id4~0 := main_#t~nondet52;havoc main_#t~nondet52;~r4~0 := main_#t~nondet53;havoc main_#t~nondet53;~st4~0 := main_#t~nondet54;havoc main_#t~nondet54;~nl4~0 := main_#t~nondet55;havoc main_#t~nondet55;~m4~0 := main_#t~nondet56;havoc main_#t~nondet56;~max4~0 := main_#t~nondet57;havoc main_#t~nondet57;~mode4~0 := main_#t~nondet58;havoc main_#t~nondet58;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 876#L394 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 785#L405 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 786#L415 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 634#L426 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 890#L436 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 865#L447 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 878#L457 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 629#L468 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 853#L478 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 760#L489 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 726#L499 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 727#L510 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 895#L520 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 722#L531 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 723#L541 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 676#L552 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 897#L562 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 736#L573 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 740#L583 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 774#L594 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 899#L604 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 764#L615 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 860#L625 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 687#L636 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 919#L646 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 809#L657 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 872#L667 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 647#L678 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 820#L688 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 751#L699 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 845#L709 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 703#L720 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 704#L730 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 718#L741 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 682#L751 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 683#L762 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 636#L772 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 637#L783 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 777#L793 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 652#L804 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 653#L814 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 739#L825 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 859#L835 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 708#L846 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 870#L856 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 697#L867 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 668#L877 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 655#L888 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 670#L898 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 643#L898-1 init_#res := init_~tmp___23~0; 854#L1067 main_#t~ret59 := init_#res;main_~i2~0 := main_#t~ret59;havoc main_#t~ret59;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; 815#L21 assume !(0 == assume_abort_if_not_~cond); 816#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 632#L1204-2 [2021-08-27 16:49:29,563 INFO L793 eck$LassoCheckResult]: Loop: 632#L1204-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9; 842#L109 assume !(0 != ~mode1~0 % 256); 728#L141 assume !(~r1~0 < 3); 729#L141-1 ~mode1~0 := 1; 866#L109-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12; 867#L162 assume !(0 != ~mode2~0 % 256); 887#L194 assume !(~r2~0 < 3); 644#L194-1 ~mode2~0 := 1; 645#L162-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15; 745#L215 assume !(0 != ~mode3~0 % 256); 828#L247 assume !(~r3~0 < 3); 702#L247-1 ~mode3~0 := 1; 885#L215-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18; 880#L268 assume !(0 != ~mode4~0 % 256); 881#L300 assume !(~r4~0 < 3); 732#L300-1 ~mode4~0 := 1; 733#L268-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 838#L1075 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 839#L1076 assume ~st1~0 + ~nl1~0 <= 1; 869#L1077 assume ~st2~0 + ~nl2~0 <= 1; 737#L1078 assume ~st3~0 + ~nl3~0 <= 1; 656#L1079 assume ~st4~0 + ~nl4~0 <= 1; 657#L1080 assume ~r1~0 >= 3; 671#L1084 assume ~r1~0 < 3; 672#L1089 assume ~r1~0 >= 3; 912#L1094 assume ~r1~0 < 3;check_~tmp~1 := 1; 776#L1075-1 check_#res := check_~tmp~1; 833#L1127 main_#t~ret60 := check_#res;main_~c1~0 := main_#t~ret60;havoc main_#t~ret60;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 834#L1247 assume !(0 == assert_~arg % 256); 631#L1242 main_#t~post61 := main_~i2~0;main_~i2~0 := 1 + main_#t~post61;havoc main_#t~post61; 632#L1204-2 [2021-08-27 16:49:29,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:49:29,563 INFO L82 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 2 times [2021-08-27 16:49:29,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:49:29,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818344926] [2021-08-27 16:49:29,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:49:29,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:49:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:49:29,643 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 16:49:29,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:49:29,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818344926] [2021-08-27 16:49:29,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818344926] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:49:29,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:49:29,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:49:29,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487749260] [2021-08-27 16:49:29,649 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 16:49:29,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:49:29,653 INFO L82 PathProgramCache]: Analyzing trace with hash 94444480, now seen corresponding path program 1 times [2021-08-27 16:49:29,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:49:29,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075545053] [2021-08-27 16:49:29,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:49:29,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:49:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:49:29,708 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 16:49:29,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:49:29,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075545053] [2021-08-27 16:49:29,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075545053] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:49:29,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:49:29,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 16:49:29,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211996645] [2021-08-27 16:49:29,710 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 16:49:29,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:49:29,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 16:49:29,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 16:49:29,711 INFO L87 Difference]: Start difference. First operand 298 states and 528 transitions. cyclomatic complexity: 231 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 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 16:49:29,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:49:29,772 INFO L93 Difference]: Finished difference Result 383 states and 662 transitions. [2021-08-27 16:49:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 16:49:29,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 662 transitions. [2021-08-27 16:49:29,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2021-08-27 16:49:29,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 383 states and 662 transitions. [2021-08-27 16:49:29,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 383 [2021-08-27 16:49:29,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 383 [2021-08-27 16:49:29,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 383 states and 662 transitions. [2021-08-27 16:49:29,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:49:29,782 INFO L681 BuchiCegarLoop]: Abstraction has 383 states and 662 transitions. [2021-08-27 16:49:29,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states and 662 transitions. [2021-08-27 16:49:29,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2021-08-27 16:49:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 383 states have (on average 1.7284595300261096) internal successors, (662), 382 states have internal predecessors, (662), 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 16:49:29,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 662 transitions. [2021-08-27 16:49:29,808 INFO L704 BuchiCegarLoop]: Abstraction has 383 states and 662 transitions. [2021-08-27 16:49:29,808 INFO L587 BuchiCegarLoop]: Abstraction has 383 states and 662 transitions. [2021-08-27 16:49:29,808 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 16:49:29,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states and 662 transitions. [2021-08-27 16:49:29,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2021-08-27 16:49:29,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:49:29,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:49:29,817 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:49:29,817 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, 1, 1, 1, 1] [2021-08-27 16:49:29,818 INFO L791 eck$LassoCheckResult]: Stem: 1626#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(37);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 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]; 1590#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~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~ret59, main_#t~ret60, main_#t~post61, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~id2~0 := main_#t~nondet38;havoc main_#t~nondet38;~r2~0 := main_#t~nondet39;havoc main_#t~nondet39;~st2~0 := main_#t~nondet40;havoc main_#t~nondet40;~nl2~0 := main_#t~nondet41;havoc main_#t~nondet41;~m2~0 := main_#t~nondet42;havoc main_#t~nondet42;~max2~0 := main_#t~nondet43;havoc main_#t~nondet43;~mode2~0 := main_#t~nondet44;havoc main_#t~nondet44;~id3~0 := main_#t~nondet45;havoc main_#t~nondet45;~r3~0 := main_#t~nondet46;havoc main_#t~nondet46;~st3~0 := main_#t~nondet47;havoc main_#t~nondet47;~nl3~0 := main_#t~nondet48;havoc main_#t~nondet48;~m3~0 := main_#t~nondet49;havoc main_#t~nondet49;~max3~0 := main_#t~nondet50;havoc main_#t~nondet50;~mode3~0 := main_#t~nondet51;havoc main_#t~nondet51;~id4~0 := main_#t~nondet52;havoc main_#t~nondet52;~r4~0 := main_#t~nondet53;havoc main_#t~nondet53;~st4~0 := main_#t~nondet54;havoc main_#t~nondet54;~nl4~0 := main_#t~nondet55;havoc main_#t~nondet55;~m4~0 := main_#t~nondet56;havoc main_#t~nondet56;~max4~0 := main_#t~nondet57;havoc main_#t~nondet57;~mode4~0 := main_#t~nondet58;havoc main_#t~nondet58;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 1569#L394 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 1475#L405 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1476#L415 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1324#L426 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 1586#L436 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 1555#L447 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 1572#L457 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 1319#L468 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1546#L478 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 1452#L489 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1415#L499 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 1416#L510 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 1591#L520 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 1411#L531 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 1412#L541 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 1365#L552 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 1593#L562 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 1424#L573 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 1428#L583 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 1464#L594 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 1595#L604 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 1454#L615 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 1550#L625 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 1378#L636 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 1617#L646 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 1503#L657 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 1563#L667 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 1337#L678 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 1512#L688 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 1439#L699 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 1534#L709 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 1392#L720 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 1393#L730 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 1404#L741 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 1371#L751 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 1372#L762 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 1326#L772 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 1327#L783 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 1465#L793 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 1339#L804 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 1340#L814 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 1426#L825 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 1548#L835 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 1397#L846 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 1561#L856 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 1386#L867 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 1358#L877 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 1345#L888 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 1360#L898 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 1333#L898-1 init_#res := init_~tmp___23~0; 1543#L1067 main_#t~ret59 := init_#res;main_~i2~0 := main_#t~ret59;havoc main_#t~ret59;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; 1505#L21 assume !(0 == assume_abort_if_not_~cond); 1506#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 1571#L1204-2 [2021-08-27 16:49:29,818 INFO L793 eck$LassoCheckResult]: Loop: 1571#L1204-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9; 1633#L109 assume !(0 != ~mode1~0 % 256); 1632#L141 assume ~r1~0 < 3; 1510#L142 assume !(0 != ~ep12~0 % 256); 1349#L142-2 assume !(0 != ~ep13~0 % 256); 1448#L145-1 assume !(0 != ~ep14~0 % 256); 1449#L141-1 ~mode1~0 := 1; 1689#L109-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12; 1687#L162 assume !(0 != ~mode2~0 % 256); 1688#L194 assume !(~r2~0 < 3); 1676#L194-1 ~mode2~0 := 1; 1673#L162-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15; 1669#L215 assume !(0 != ~mode3~0 % 256); 1661#L247 assume !(~r3~0 < 3); 1657#L247-1 ~mode3~0 := 1; 1656#L215-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18; 1655#L268 assume !(0 != ~mode4~0 % 256); 1646#L300 assume !(~r4~0 < 3); 1420#L300-1 ~mode4~0 := 1; 1421#L268-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1622#L1075 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1639#L1076 assume ~st1~0 + ~nl1~0 <= 1; 1638#L1077 assume ~st2~0 + ~nl2~0 <= 1; 1630#L1078 assume ~st3~0 + ~nl3~0 <= 1; 1629#L1079 assume ~st4~0 + ~nl4~0 <= 1; 1628#L1080 assume !(~r1~0 >= 3); 1577#L1083 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1578#L1084 assume ~r1~0 < 3; 1631#L1089 assume !(~r1~0 >= 3); 1613#L1093 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1614#L1094 assume ~r1~0 < 3;check_~tmp~1 := 1; 1637#L1075-1 check_#res := check_~tmp~1; 1636#L1127 main_#t~ret60 := check_#res;main_~c1~0 := main_#t~ret60;havoc main_#t~ret60;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1635#L1247 assume !(0 == assert_~arg % 256); 1634#L1242 main_#t~post61 := main_~i2~0;main_~i2~0 := 1 + main_#t~post61;havoc main_#t~post61; 1571#L1204-2 [2021-08-27 16:49:29,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:49:29,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 3 times [2021-08-27 16:49:29,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:49:29,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324159777] [2021-08-27 16:49:29,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:49:29,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:49:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:49:29,925 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 16:49:29,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:49:29,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324159777] [2021-08-27 16:49:29,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324159777] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:49:29,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:49:29,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 16:49:29,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30762148] [2021-08-27 16:49:29,927 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 16:49:29,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:49:29,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1683797340, now seen corresponding path program 1 times [2021-08-27 16:49:29,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:49:29,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250197273] [2021-08-27 16:49:29,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:49:29,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:49:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:49:29,950 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:49:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:49:29,992 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:49:31,215 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 16:49:31,215 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 16:49:31,215 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 16:49:31,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 16:49:31,217 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 16:49:31,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:31,218 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 16:49:31,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 16:49:31,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-08-27 16:49:31,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 16:49:31,218 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 16:49:31,249 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 16:49:31,257 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 16:49:31,260 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 16:49:31,262 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 16:49:31,265 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 16:49:31,267 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 16:49:31,270 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 16:49:31,274 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 16:49:31,276 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 16:49:31,278 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 16:49:31,283 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 16:49:31,286 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 16:49:31,289 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 16:49:31,292 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 16:49:31,294 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 16:49:31,298 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 16:49:31,303 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 16:49:31,305 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 16:49:31,309 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 16:49:31,312 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 16:49:31,314 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 16:49:31,316 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 16:49:31,322 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 16:49:31,325 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 16:49:31,327 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 16:49:31,338 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 16:49:31,341 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 16:49:31,343 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 16:49:31,346 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 16:49:31,395 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 16:49:31,401 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 16:49:31,403 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 16:49:31,408 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 16:49:31,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:31,413 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 16:49:31,415 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 16:49:31,417 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 16:49:31,420 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 16:49:32,180 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 16:49:32,181 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 16:49:32,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:32,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:32,184 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 16:49:32,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 16:49:32,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 16:49:32,208 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 16:49:32,241 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 16:49:32,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:32,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:32,245 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 16:49:32,254 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 16:49:32,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 16:49:32,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 16:49:32,359 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 16:49:32,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 16:49:32,363 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 16:49:32,363 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 16:49:32,363 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 16:49:32,363 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 16:49:32,364 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 16:49:32,364 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:32,364 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 16:49:32,364 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 16:49:32,364 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-08-27 16:49:32,364 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 16:49:32,364 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 16:49:32,376 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 16:49:32,383 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 16:49:32,386 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 16:49:32,388 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 16:49:32,390 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 16:49:32,393 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 16:49:32,396 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 16:49:32,398 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 16:49:32,400 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 16:49:32,402 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 16:49:32,405 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 16:49:32,410 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 16:49:32,413 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 16:49:32,416 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 16:49:32,419 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 16:49:32,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,474 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 16:49:32,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,484 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 16:49:32,489 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 16:49:32,495 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 16:49:32,499 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 16:49:32,501 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 16:49:32,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,512 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 16:49:32,524 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 16:49:32,526 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 16:49:32,528 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 16:49:32,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,542 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 16:49:32,545 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 16:49:32,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 16:49:32,551 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 16:49:33,266 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 16:49:33,270 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 16:49:33,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,277 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 16:49:33,278 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 16:49:33,282 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 16:49:33,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,312 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 16:49:33,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,313 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 16:49:33,313 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 16:49:33,314 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 16:49:33,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:49:33,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:49:33,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 16:49:33,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,363 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 16:49:33,363 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 16:49:33,364 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 16:49:33,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,388 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 16:49:33,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,389 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 16:49:33,391 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 16:49:33,392 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 16:49:33,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-08-27 16:49:33,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,418 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 16:49:33,420 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 16:49:33,422 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 16:49:33,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,446 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 16:49:33,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,447 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 16:49:33,448 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 16:49:33,449 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 16:49:33,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-08-27 16:49:33,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,489 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 16:49:33,490 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 16:49:33,523 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 16:49:33,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 16:49:33,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,557 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 16:49:33,560 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 16:49:33,560 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 16:49:33,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,586 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 16:49:33,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,587 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 16:49:33,589 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 16:49:33,594 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 16:49:33,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 16:49:33,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,614 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 16:49:33,615 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 16:49:33,616 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 16:49:33,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:49:33,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:49:33,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,642 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 16:49:33,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,643 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 16:49:33,644 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 16:49:33,645 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 16:49:33,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-08-27 16:49:33,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,678 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 16:49:33,678 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 16:49:33,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 16:49:33,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:49:33,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:49:33,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,707 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 16:49:33,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,708 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 16:49:33,709 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 16:49:33,711 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 16:49:33,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,742 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 16:49:33,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,744 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 16:49:33,744 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 16:49:33,745 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 16:49:33,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:49:33,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:49:33,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,780 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 16:49:33,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,782 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 16:49:33,783 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 16:49:33,784 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 16:49:33,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 16:49:33,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,865 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 16:49:33,871 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 16:49:33,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 16:49:33,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 16:49:33,884 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 16:49:33,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,921 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 16:49:33,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,922 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 16:49:33,929 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 16:49:33,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:33,941 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 16:49:33,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:33,976 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 16:49:33,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:33,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:33,977 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 16:49:33,982 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 16:49:33,983 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 16:49:33,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:33,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:33,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:33,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:33,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:33,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:33,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:34,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:34,031 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 16:49:34,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:34,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:34,032 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 16:49:34,034 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 16:49:34,035 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 16:49:34,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:34,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:34,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:34,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:34,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:34,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:34,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:34,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 16:49:34,059 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 16:49:34,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:34,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:34,060 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 16:49:34,061 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 16:49:34,062 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 16:49:34,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 16:49:34,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 16:49:34,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 16:49:34,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 16:49:34,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 16:49:34,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 16:49:34,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 16:49:34,072 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 16:49:34,076 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 16:49:34,076 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 16:49:34,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:49:34,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:49:34,084 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 16:49:34,085 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 16:49:34,086 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 16:49:34,086 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 16:49:34,086 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 16:49:34,087 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2021-08-27 16:49:34,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 16:49:34,113 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 16:49:34,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:49:34,201 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 16:49:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:49:34,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 16:49:34,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 16:49:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:49:34,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 16:49:34,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 16:49:34,830 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 16:49:34,835 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 16:49:34,836 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 383 states and 662 transitions. cyclomatic complexity: 280 Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 16:49:34,898 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 383 states and 662 transitions. cyclomatic complexity: 280. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 573 states and 970 transitions. Complement of second has 4 states. [2021-08-27 16:49:34,898 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 16:49:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 16:49:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2021-08-27 16:49:34,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 55 letters. Loop has 35 letters. [2021-08-27 16:49:34,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 16:49:34,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 90 letters. Loop has 35 letters. [2021-08-27 16:49:34,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 16:49:34,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 55 letters. Loop has 70 letters. [2021-08-27 16:49:34,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 16:49:34,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 573 states and 970 transitions. [2021-08-27 16:49:34,908 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 16:49:34,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 573 states to 0 states and 0 transitions. [2021-08-27 16:49:34,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 16:49:34,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 16:49:34,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 16:49:34,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:49:34,909 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:49:34,909 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:49:34,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:49:34,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 16:49:34,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 16:49:34,910 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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 16:49:34,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:49:34,910 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 16:49:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 16:49:34,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 16:49:34,911 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 16:49:34,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 16:49:34,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 16:49:34,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 16:49:34,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 16:49:34,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:49:34,911 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:49:34,912 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:49:34,912 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 16:49:34,912 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 16:49:34,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 16:49:34,912 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 16:49:34,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 16:49:34,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 04:49:34 BoogieIcfgContainer [2021-08-27 16:49:34,917 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 16:49:34,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 16:49:34,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 16:49:34,918 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 16:49:34,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:49:28" (3/4) ... [2021-08-27 16:49:34,921 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 16:49:34,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 16:49:34,922 INFO L168 Benchmark]: Toolchain (without parser) took 7986.41 ms. Allocated memory was 54.5 MB in the beginning and 174.1 MB in the end (delta: 119.5 MB). Free memory was 30.5 MB in the beginning and 101.2 MB in the end (delta: -70.8 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:49:34,922 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:49:34,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.76 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.3 MB in the beginning and 39.6 MB in the end (delta: -9.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:49:34,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.99 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 35.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 16:49:34,924 INFO L168 Benchmark]: Boogie Preprocessor took 85.29 ms. Allocated memory is still 67.1 MB. Free memory was 35.0 MB in the beginning and 44.6 MB in the end (delta: -9.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:49:34,924 INFO L168 Benchmark]: RCFGBuilder took 1039.63 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 44.6 MB in the beginning and 54.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:49:34,925 INFO L168 Benchmark]: BuchiAutomizer took 6239.74 ms. Allocated memory was 81.8 MB in the beginning and 174.1 MB in the end (delta: 92.3 MB). Free memory was 54.7 MB in the beginning and 102.3 MB in the end (delta: -47.6 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-08-27 16:49:34,925 INFO L168 Benchmark]: Witness Printer took 3.08 ms. Allocated memory is still 174.1 MB. Free memory was 102.3 MB in the beginning and 101.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:49:34,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 522.76 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.3 MB in the beginning and 39.6 MB in the end (delta: -9.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.99 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 35.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.29 ms. Allocated memory is still 67.1 MB. Free memory was 35.0 MB in the beginning and 44.6 MB in the end (delta: -9.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1039.63 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 44.6 MB in the beginning and 54.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6239.74 ms. Allocated memory was 81.8 MB in the beginning and 174.1 MB in the end (delta: 92.3 MB). Free memory was 54.7 MB in the beginning and 102.3 MB in the end (delta: -47.6 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.08 ms. Allocated memory is still 174.1 MB. Free memory was 102.3 MB in the beginning and 101.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 65.8ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 383 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1592 SDtfs, 820 SDslu, 2285 SDs, 0 SdLazy, 35 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital190 mio100 ax125 hnf106 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms 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 16:49:34,962 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...