./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC --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 222e164c8ef5d1e931c8aeb5574042921b38ed5f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:21:50,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:50,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:50,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:50,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:50,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:50,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:50,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:50,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:50,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:50,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:50,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:50,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:50,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:50,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:50,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:50,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:50,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:50,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:50,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:50,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:50,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:50,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:50,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:50,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:50,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:50,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:50,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:50,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:50,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:50,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:50,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:50,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:50,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:50,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:50,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:50,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:50,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:50,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:50,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:50,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:50,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:21:50,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:50,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:50,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:50,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:50,622 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:50,622 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:21:50,622 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:21:50,623 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:21:50,623 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:21:50,623 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:21:50,623 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:21:50,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:50,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:50,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:21:50,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:50,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:50,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:50,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:21:50,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:21:50,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:21:50,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:50,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:50,626 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:21:50,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:50,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:21:50,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:50,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:50,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:50,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:50,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:50,629 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:21:50,629 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 222e164c8ef5d1e931c8aeb5574042921b38ed5f [2021-10-11 00:21:50,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:50,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:50,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:50,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:50,924 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:50,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2021-10-11 00:21:50,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/data/6857703f7/d4d3edcdb016461588435ba96240e186/FLAGd3f0fea17 [2021-10-11 00:21:51,525 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:51,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2021-10-11 00:21:51,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/data/6857703f7/d4d3edcdb016461588435ba96240e186/FLAGd3f0fea17 [2021-10-11 00:21:51,810 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/data/6857703f7/d4d3edcdb016461588435ba96240e186 [2021-10-11 00:21:51,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:51,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:51,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:51,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:51,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:51,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:51" (1/1) ... [2021-10-11 00:21:51,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1202c046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:51, skipping insertion in model container [2021-10-11 00:21:51,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:51" (1/1) ... [2021-10-11 00:21:51,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:51,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:52,165 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c[26490,26503] [2021-10-11 00:21:52,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:52,188 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:52,282 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c[26490,26503] [2021-10-11 00:21:52,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:52,324 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:52,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52 WrapperNode [2021-10-11 00:21:52,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:52,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:52,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:52,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:52,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... [2021-10-11 00:21:52,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... [2021-10-11 00:21:52,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:52,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:52,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:52,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:52,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... [2021-10-11 00:21:52,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... [2021-10-11 00:21:52,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... [2021-10-11 00:21:52,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... [2021-10-11 00:21:52,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... [2021-10-11 00:21:52,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... [2021-10-11 00:21:52,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... [2021-10-11 00:21:52,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:52,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:52,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:52,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:52,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:53,419 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:53,421 INFO L299 CfgBuilder]: Removed 29 assume(true) statements. [2021-10-11 00:21:53,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:53 BoogieIcfgContainer [2021-10-11 00:21:53,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:53,426 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:21:53,426 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:21:53,429 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:21:53,430 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:21:53,430 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:21:51" (1/3) ... [2021-10-11 00:21:53,432 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4000e513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:21:53, skipping insertion in model container [2021-10-11 00:21:53,432 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:21:53,432 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:52" (2/3) ... [2021-10-11 00:21:53,433 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4000e513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:21:53, skipping insertion in model container [2021-10-11 00:21:53,433 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:21:53,433 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:53" (3/3) ... [2021-10-11 00:21:53,436 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2021-10-11 00:21:53,496 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:21:53,496 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:21:53,496 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:21:53,496 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:53,496 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:53,497 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:21:53,497 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:53,497 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:21:53,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states. [2021-10-11 00:21:53,570 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-10-11 00:21:53,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:53,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:53,582 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:53,583 INFO L854 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, 1, 1, 1] [2021-10-11 00:21:53,583 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:21:53,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states. [2021-10-11 00:21:53,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-10-11 00:21:53,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:53,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:53,607 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:53,608 INFO L854 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, 1, 1, 1] [2021-10-11 00:21:53,616 INFO L794 eck$LassoCheckResult]: Stem: 107#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 14#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~ret48, main_#t~ret49, main_#t~post50, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id2~0 := main_#t~nondet20;havoc main_#t~nondet20;~st2~0 := main_#t~nondet21;havoc main_#t~nondet21;~send2~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode2~0 := main_#t~nondet23;havoc main_#t~nondet23;~id3~0 := main_#t~nondet24;havoc main_#t~nondet24;~st3~0 := main_#t~nondet25;havoc main_#t~nondet25;~send3~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~id6~0 := main_#t~nondet36;havoc main_#t~nondet36;~st6~0 := main_#t~nondet37;havoc main_#t~nondet37;~send6~0 := main_#t~nondet38;havoc main_#t~nondet38;~mode6~0 := main_#t~nondet39;havoc main_#t~nondet39;~id7~0 := main_#t~nondet40;havoc main_#t~nondet40;~st7~0 := main_#t~nondet41;havoc main_#t~nondet41;~send7~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode7~0 := main_#t~nondet43;havoc main_#t~nondet43;~id8~0 := main_#t~nondet44;havoc main_#t~nondet44;~st8~0 := main_#t~nondet45;havoc main_#t~nondet45;~send8~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode8~0 := main_#t~nondet47;havoc main_#t~nondet47;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 102#L297true assume !(0 == ~r1~0);init_~tmp~0 := 0; 101#L297-1true init_#res := init_~tmp~0; 105#L542true main_#t~ret48 := init_#res;main_~i2~0 := main_#t~ret48;havoc main_#t~ret48;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; 108#L22true assume !(0 == assume_abort_if_not_~cond); 17#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0 := 0; 10#L632-2true [2021-10-11 00:21:53,624 INFO L796 eck$LassoCheckResult]: Loop: 10#L632-2true assume !!(main_~i2~0 < 16);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 26#L92true assume !(0 != ~mode1~0 % 256); 70#L108true assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 63#L108-2true ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 25#L92-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 23#L120true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 137#L123true assume !(node2_~m2~0 != ~nomsg~0); 135#L123-1true ~mode2~0 := 0; 22#L120-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 138#L145true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 117#L148true assume !(node3_~m3~0 != ~nomsg~0); 113#L148-1true ~mode3~0 := 0; 133#L145-2true havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 142#L170true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 128#L173true assume !(node4_~m4~0 != ~nomsg~0); 124#L173-1true ~mode4~0 := 0; 112#L170-2true havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 130#L195true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 96#L198true assume !(node5_~m5~0 != ~nomsg~0); 93#L198-1true ~mode5~0 := 0; 122#L195-2true havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 100#L220true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 104#L223true assume !(node6_~m6~0 != ~nomsg~0); 77#L223-1true ~mode6~0 := 0; 92#L220-2true havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 106#L245true assume !(0 != ~mode7~0 % 256); 144#L258true assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite13 := ~send7~0; 143#L258-2true ~p7_new~0 := (if node7_#t~ite13 % 256 <= 127 then node7_#t~ite13 % 256 else node7_#t~ite13 % 256 - 256);havoc node7_#t~ite13;~mode7~0 := 1; 76#L245-2true havoc node8_#t~ite14, node8_~m8~0;havoc node8_~m8~0;node8_~m8~0 := ~nomsg~0; 88#L270true assume 0 != ~mode8~0 % 256;node8_~m8~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 55#L273true assume !(node8_~m8~0 != ~nomsg~0); 53#L273-1true ~mode8~0 := 0; 80#L270-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 129#L550true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1);check_~tmp~1 := 0; 131#L550-1true check_#res := check_~tmp~1; 90#L570true main_#t~ret49 := check_#res;main_~c1~0 := main_#t~ret49;havoc main_#t~ret49;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 141#L671true assume !(0 == assert_~arg % 256); 110#L666true main_#t~post50 := main_~i2~0;main_~i2~0 := 1 + main_#t~post50;havoc main_#t~post50; 10#L632-2true [2021-10-11 00:21:53,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:53,632 INFO L82 PathProgramCache]: Analyzing trace with hash -2144605008, now seen corresponding path program 1 times [2021-10-11 00:21:53,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:53,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075927846] [2021-10-11 00:21:53,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:53,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075927846] [2021-10-11 00:21:53,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:53,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:53,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914789011] [2021-10-11 00:21:53,887 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:21:53,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:53,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1234029237, now seen corresponding path program 1 times [2021-10-11 00:21:53,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:53,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986702583] [2021-10-11 00:21:53,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:54,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986702583] [2021-10-11 00:21:54,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:54,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:54,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298406056] [2021-10-11 00:21:54,098 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:21:54,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:54,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:54,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:54,118 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 5 states. [2021-10-11 00:21:54,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:54,306 INFO L93 Difference]: Finished difference Result 149 states and 254 transitions. [2021-10-11 00:21:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:21:54,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 254 transitions. [2021-10-11 00:21:54,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2021-10-11 00:21:54,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 141 states and 186 transitions. [2021-10-11 00:21:54,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2021-10-11 00:21:54,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2021-10-11 00:21:54,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 186 transitions. [2021-10-11 00:21:54,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:21:54,333 INFO L692 BuchiCegarLoop]: Abstraction has 141 states and 186 transitions. [2021-10-11 00:21:54,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 186 transitions. [2021-10-11 00:21:54,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2021-10-11 00:21:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2021-10-11 00:21:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 186 transitions. [2021-10-11 00:21:54,372 INFO L715 BuchiCegarLoop]: Abstraction has 141 states and 186 transitions. [2021-10-11 00:21:54,372 INFO L595 BuchiCegarLoop]: Abstraction has 141 states and 186 transitions. [2021-10-11 00:21:54,372 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:21:54,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 186 transitions. [2021-10-11 00:21:54,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2021-10-11 00:21:54,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:54,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:54,382 INFO L853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:54,382 INFO L854 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, 1, 1, 1] [2021-10-11 00:21:54,383 INFO L794 eck$LassoCheckResult]: Stem: 445#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 335#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~ret48, main_#t~ret49, main_#t~post50, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id2~0 := main_#t~nondet20;havoc main_#t~nondet20;~st2~0 := main_#t~nondet21;havoc main_#t~nondet21;~send2~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode2~0 := main_#t~nondet23;havoc main_#t~nondet23;~id3~0 := main_#t~nondet24;havoc main_#t~nondet24;~st3~0 := main_#t~nondet25;havoc main_#t~nondet25;~send3~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~id6~0 := main_#t~nondet36;havoc main_#t~nondet36;~st6~0 := main_#t~nondet37;havoc main_#t~nondet37;~send6~0 := main_#t~nondet38;havoc main_#t~nondet38;~mode6~0 := main_#t~nondet39;havoc main_#t~nondet39;~id7~0 := main_#t~nondet40;havoc main_#t~nondet40;~st7~0 := main_#t~nondet41;havoc main_#t~nondet41;~send7~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode7~0 := main_#t~nondet43;havoc main_#t~nondet43;~id8~0 := main_#t~nondet44;havoc main_#t~nondet44;~st8~0 := main_#t~nondet45;havoc main_#t~nondet45;~send8~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode8~0 := main_#t~nondet47;havoc main_#t~nondet47;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 336#L297 assume 0 == ~r1~0; 407#L298 assume ~id1~0 >= 0; 346#L299 assume 0 == ~st1~0; 347#L300 assume ~send1~0 == ~id1~0; 395#L301 assume 0 == ~mode1~0 % 256; 396#L302 assume ~id2~0 >= 0; 419#L303 assume 0 == ~st2~0; 375#L304 assume ~send2~0 == ~id2~0; 376#L305 assume 0 == ~mode2~0 % 256; 413#L306 assume ~id3~0 >= 0; 344#L307 assume 0 == ~st3~0; 345#L308 assume ~send3~0 == ~id3~0; 405#L309 assume 0 == ~mode3~0 % 256; 328#L310 assume ~id4~0 >= 0; 329#L311 assume 0 == ~st4~0; 387#L312 assume ~send4~0 == ~id4~0; 388#L313 assume 0 == ~mode4~0 % 256; 435#L314 assume ~id5~0 >= 0; 371#L315 assume 0 == ~st5~0; 372#L316 assume ~send5~0 == ~id5~0; 412#L317 assume 0 == ~mode5~0 % 256; 341#L318 assume ~id6~0 >= 0; 342#L319 assume 0 == ~st6~0; 404#L320 assume ~send6~0 == ~id6~0; 326#L321 assume 0 == ~mode6~0 % 256; 327#L322 assume ~id7~0 >= 0; 385#L323 assume 0 == ~st7~0; 386#L324 assume ~send7~0 == ~id7~0; 432#L325 assume 0 == ~mode7~0 % 256; 369#L326 assume ~id8~0 >= 0; 370#L327 assume 0 == ~st8~0; 411#L328 assume ~send8~0 == ~id8~0; 339#L329 assume 0 == ~mode8~0 % 256; 340#L330 assume ~id1~0 != ~id2~0; 403#L331 assume ~id1~0 != ~id3~0; 321#L332 assume ~id1~0 != ~id4~0; 322#L333 assume ~id1~0 != ~id5~0; 382#L334 assume ~id1~0 != ~id6~0; 383#L335 assume ~id1~0 != ~id7~0; 430#L336 assume ~id1~0 != ~id8~0; 367#L337 assume ~id2~0 != ~id3~0; 368#L338 assume ~id2~0 != ~id4~0; 410#L339 assume ~id2~0 != ~id5~0; 337#L340 assume ~id2~0 != ~id6~0; 338#L341 assume ~id2~0 != ~id7~0; 402#L342 assume ~id2~0 != ~id8~0; 319#L343 assume ~id3~0 != ~id4~0; 320#L344 assume ~id3~0 != ~id5~0; 380#L345 assume ~id3~0 != ~id6~0; 381#L346 assume ~id3~0 != ~id7~0; 429#L347 assume ~id3~0 != ~id8~0; 365#L348 assume ~id4~0 != ~id5~0; 366#L349 assume ~id4~0 != ~id6~0; 409#L350 assume ~id4~0 != ~id7~0; 360#L351 assume ~id4~0 != ~id8~0; 361#L352 assume ~id5~0 != ~id6~0; 401#L353 assume ~id5~0 != ~id7~0; 315#L354 assume ~id5~0 != ~id8~0; 316#L355 assume ~id6~0 != ~id7~0; 378#L356 assume ~id6~0 != ~id8~0; 379#L357 assume ~id7~0 != ~id8~0;init_~tmp~0 := 1; 441#L297-1 init_#res := init_~tmp~0; 442#L542 main_#t~ret48 := init_#res;main_~i2~0 := main_#t~ret48;havoc main_#t~ret48;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; 444#L22 assume !(0 == assume_abort_if_not_~cond); 343#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0 := 0; 330#L632-2 [2021-10-11 00:21:54,383 INFO L796 eck$LassoCheckResult]: Loop: 330#L632-2 assume !!(main_~i2~0 < 16);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 331#L92 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p8_old~0;~p8_old~0 := ~nomsg~0; 357#L96 assume !(node1_~m1~0 != ~nomsg~0); 398#L96-1 ~mode1~0 := 0; 354#L92-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 350#L120 assume !(0 != ~mode2~0 % 256); 352#L133 assume !(~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0);node2_#t~ite8 := ~p2_new~0; 384#L133-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 348#L120-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 349#L145 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 449#L148 assume !(node3_~m3~0 != ~nomsg~0); 417#L148-1 ~mode3~0 := 0; 356#L145-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 451#L170 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 450#L173 assume !(node4_~m4~0 != ~nomsg~0); 390#L173-1 ~mode4~0 := 0; 363#L170-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 448#L195 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 437#L198 assume !(node5_~m5~0 != ~nomsg~0); 392#L198-1 ~mode5~0 := 0; 353#L195-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 438#L220 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 439#L223 assume !(node6_~m6~0 != ~nomsg~0); 374#L223-1 ~mode6~0 := 0; 425#L220-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 436#L245 assume !(0 != ~mode7~0 % 256); 443#L258 assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite13 := ~send7~0; 453#L258-2 ~p7_new~0 := (if node7_#t~ite13 % 256 <= 127 then node7_#t~ite13 % 256 else node7_#t~ite13 % 256 - 256);havoc node7_#t~ite13;~mode7~0 := 1; 423#L245-2 havoc node8_#t~ite14, node8_~m8~0;havoc node8_~m8~0;node8_~m8~0 := ~nomsg~0; 424#L270 assume 0 != ~mode8~0 % 256;node8_~m8~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 400#L273 assume !(node8_~m8~0 != ~nomsg~0); 324#L273-1 ~mode8~0 := 0; 399#L270-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 427#L550 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1);check_~tmp~1 := 0; 333#L550-1 check_#res := check_~tmp~1; 433#L570 main_#t~ret49 := check_#res;main_~c1~0 := main_#t~ret49;havoc main_#t~ret49;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 434#L671 assume !(0 == assert_~arg % 256); 446#L666 main_#t~post50 := main_~i2~0;main_~i2~0 := 1 + main_#t~post50;havoc main_#t~post50; 330#L632-2 [2021-10-11 00:21:54,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:54,384 INFO L82 PathProgramCache]: Analyzing trace with hash 354076320, now seen corresponding path program 1 times [2021-10-11 00:21:54,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:54,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564353402] [2021-10-11 00:21:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:54,495 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:54,558 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:54,615 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:54,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:54,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1339290995, now seen corresponding path program 1 times [2021-10-11 00:21:54,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:54,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987454187] [2021-10-11 00:21:54,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:54,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987454187] [2021-10-11 00:21:54,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:54,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:54,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294511717] [2021-10-11 00:21:54,715 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:21:54,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:54,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:54,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:54,716 INFO L87 Difference]: Start difference. First operand 141 states and 186 transitions. cyclomatic complexity: 46 Second operand 5 states. [2021-10-11 00:21:54,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:54,763 INFO L93 Difference]: Finished difference Result 144 states and 188 transitions. [2021-10-11 00:21:54,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:21:54,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 188 transitions. [2021-10-11 00:21:54,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2021-10-11 00:21:54,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 141 states and 183 transitions. [2021-10-11 00:21:54,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2021-10-11 00:21:54,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2021-10-11 00:21:54,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 183 transitions. [2021-10-11 00:21:54,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:21:54,769 INFO L692 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2021-10-11 00:21:54,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 183 transitions. [2021-10-11 00:21:54,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2021-10-11 00:21:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2021-10-11 00:21:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 183 transitions. [2021-10-11 00:21:54,777 INFO L715 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2021-10-11 00:21:54,777 INFO L595 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2021-10-11 00:21:54,777 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:21:54,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 183 transitions. [2021-10-11 00:21:54,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2021-10-11 00:21:54,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:54,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:54,782 INFO L853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:54,782 INFO L854 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, 1, 1, 1, 1, 1] [2021-10-11 00:21:54,782 INFO L794 eck$LassoCheckResult]: Stem: 742#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 632#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~ret48, main_#t~ret49, main_#t~post50, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id2~0 := main_#t~nondet20;havoc main_#t~nondet20;~st2~0 := main_#t~nondet21;havoc main_#t~nondet21;~send2~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode2~0 := main_#t~nondet23;havoc main_#t~nondet23;~id3~0 := main_#t~nondet24;havoc main_#t~nondet24;~st3~0 := main_#t~nondet25;havoc main_#t~nondet25;~send3~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~id6~0 := main_#t~nondet36;havoc main_#t~nondet36;~st6~0 := main_#t~nondet37;havoc main_#t~nondet37;~send6~0 := main_#t~nondet38;havoc main_#t~nondet38;~mode6~0 := main_#t~nondet39;havoc main_#t~nondet39;~id7~0 := main_#t~nondet40;havoc main_#t~nondet40;~st7~0 := main_#t~nondet41;havoc main_#t~nondet41;~send7~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode7~0 := main_#t~nondet43;havoc main_#t~nondet43;~id8~0 := main_#t~nondet44;havoc main_#t~nondet44;~st8~0 := main_#t~nondet45;havoc main_#t~nondet45;~send8~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode8~0 := main_#t~nondet47;havoc main_#t~nondet47;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 633#L297 assume 0 == ~r1~0; 705#L298 assume ~id1~0 >= 0; 643#L299 assume 0 == ~st1~0; 644#L300 assume ~send1~0 == ~id1~0; 692#L301 assume 0 == ~mode1~0 % 256; 693#L302 assume ~id2~0 >= 0; 716#L303 assume 0 == ~st2~0; 672#L304 assume ~send2~0 == ~id2~0; 673#L305 assume 0 == ~mode2~0 % 256; 711#L306 assume ~id3~0 >= 0; 641#L307 assume 0 == ~st3~0; 642#L308 assume ~send3~0 == ~id3~0; 702#L309 assume 0 == ~mode3~0 % 256; 627#L310 assume ~id4~0 >= 0; 628#L311 assume 0 == ~st4~0; 684#L312 assume ~send4~0 == ~id4~0; 685#L313 assume 0 == ~mode4~0 % 256; 732#L314 assume ~id5~0 >= 0; 668#L315 assume 0 == ~st5~0; 669#L316 assume ~send5~0 == ~id5~0; 709#L317 assume 0 == ~mode5~0 % 256; 639#L318 assume ~id6~0 >= 0; 640#L319 assume 0 == ~st6~0; 701#L320 assume ~send6~0 == ~id6~0; 623#L321 assume 0 == ~mode6~0 % 256; 624#L322 assume ~id7~0 >= 0; 682#L323 assume 0 == ~st7~0; 683#L324 assume ~send7~0 == ~id7~0; 729#L325 assume 0 == ~mode7~0 % 256; 666#L326 assume ~id8~0 >= 0; 667#L327 assume 0 == ~st8~0; 708#L328 assume ~send8~0 == ~id8~0; 636#L329 assume 0 == ~mode8~0 % 256; 637#L330 assume ~id1~0 != ~id2~0; 700#L331 assume ~id1~0 != ~id3~0; 618#L332 assume ~id1~0 != ~id4~0; 619#L333 assume ~id1~0 != ~id5~0; 680#L334 assume ~id1~0 != ~id6~0; 681#L335 assume ~id1~0 != ~id7~0; 727#L336 assume ~id1~0 != ~id8~0; 664#L337 assume ~id2~0 != ~id3~0; 665#L338 assume ~id2~0 != ~id4~0; 707#L339 assume ~id2~0 != ~id5~0; 634#L340 assume ~id2~0 != ~id6~0; 635#L341 assume ~id2~0 != ~id7~0; 699#L342 assume ~id2~0 != ~id8~0; 616#L343 assume ~id3~0 != ~id4~0; 617#L344 assume ~id3~0 != ~id5~0; 677#L345 assume ~id3~0 != ~id6~0; 678#L346 assume ~id3~0 != ~id7~0; 725#L347 assume ~id3~0 != ~id8~0; 661#L348 assume ~id4~0 != ~id5~0; 662#L349 assume ~id4~0 != ~id6~0; 706#L350 assume ~id4~0 != ~id7~0; 657#L351 assume ~id4~0 != ~id8~0; 658#L352 assume ~id5~0 != ~id6~0; 698#L353 assume ~id5~0 != ~id7~0; 612#L354 assume ~id5~0 != ~id8~0; 613#L355 assume ~id6~0 != ~id7~0; 675#L356 assume ~id6~0 != ~id8~0; 676#L357 assume ~id7~0 != ~id8~0;init_~tmp~0 := 1; 738#L297-1 init_#res := init_~tmp~0; 739#L542 main_#t~ret48 := init_#res;main_~i2~0 := main_#t~ret48;havoc main_#t~ret48;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; 740#L22 assume !(0 == assume_abort_if_not_~cond); 638#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0 := 0; 625#L632-2 [2021-10-11 00:21:54,782 INFO L796 eck$LassoCheckResult]: Loop: 625#L632-2 assume !!(main_~i2~0 < 16);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 626#L92 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p8_old~0;~p8_old~0 := ~nomsg~0; 652#L96 assume !(node1_~m1~0 != ~nomsg~0); 695#L96-1 ~mode1~0 := 0; 651#L92-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 647#L120 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 648#L123 assume !(node2_~m2~0 != ~nomsg~0); 718#L123-1 ~mode2~0 := 0; 645#L120-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 646#L145 assume !(0 != ~mode3~0 % 256); 656#L158 assume !(~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0);node3_#t~ite9 := ~p3_new~0; 654#L158-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 655#L145-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 748#L170 assume !(0 != ~mode4~0 % 256); 663#L183 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 659#L183-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 660#L170-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 745#L195 assume !(0 != ~mode5~0 % 256); 610#L208 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 611#L208-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 650#L195-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 735#L220 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 736#L223 assume !(node6_~m6~0 != ~nomsg~0); 671#L223-1 ~mode6~0 := 0; 722#L220-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 733#L245 assume !(0 != ~mode7~0 % 256); 741#L258 assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite13 := ~send7~0; 750#L258-2 ~p7_new~0 := (if node7_#t~ite13 % 256 <= 127 then node7_#t~ite13 % 256 else node7_#t~ite13 % 256 - 256);havoc node7_#t~ite13;~mode7~0 := 1; 720#L245-2 havoc node8_#t~ite14, node8_~m8~0;havoc node8_~m8~0;node8_~m8~0 := ~nomsg~0; 721#L270 assume !(0 != ~mode8~0 % 256); 728#L283 assume ~send8~0 != ~nomsg~0 && ~p8_new~0 == ~nomsg~0;node8_#t~ite14 := ~send8~0; 744#L283-2 ~p8_new~0 := (if node8_#t~ite14 % 256 <= 127 then node8_#t~ite14 % 256 else node8_#t~ite14 % 256 - 256);havoc node8_#t~ite14;~mode8~0 := 1; 696#L270-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 724#L550 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1; 712#L551 assume ~r1~0 >= 8; 629#L555 assume ~r1~0 < 8;check_~tmp~1 := 1; 630#L550-1 check_#res := check_~tmp~1; 730#L570 main_#t~ret49 := check_#res;main_~c1~0 := main_#t~ret49;havoc main_#t~ret49;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 731#L671 assume !(0 == assert_~arg % 256); 743#L666 main_#t~post50 := main_~i2~0;main_~i2~0 := 1 + main_#t~post50;havoc main_#t~post50; 625#L632-2 [2021-10-11 00:21:54,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:54,783 INFO L82 PathProgramCache]: Analyzing trace with hash 354076320, now seen corresponding path program 2 times [2021-10-11 00:21:54,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:54,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321141433] [2021-10-11 00:21:54,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:54,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:54,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:54,872 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:54,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:54,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1960904933, now seen corresponding path program 1 times [2021-10-11 00:21:54,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:54,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091546104] [2021-10-11 00:21:54,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:54,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091546104] [2021-10-11 00:21:54,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:54,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:54,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116233330] [2021-10-11 00:21:54,912 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:21:54,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:54,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:54,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:54,913 INFO L87 Difference]: Start difference. First operand 141 states and 183 transitions. cyclomatic complexity: 43 Second operand 3 states. [2021-10-11 00:21:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:54,939 INFO L93 Difference]: Finished difference Result 209 states and 288 transitions. [2021-10-11 00:21:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:54,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 288 transitions. [2021-10-11 00:21:54,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 142 [2021-10-11 00:21:54,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 209 states and 288 transitions. [2021-10-11 00:21:54,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 209 [2021-10-11 00:21:54,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 209 [2021-10-11 00:21:54,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 288 transitions. [2021-10-11 00:21:54,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:21:54,946 INFO L692 BuchiCegarLoop]: Abstraction has 209 states and 288 transitions. [2021-10-11 00:21:54,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 288 transitions. [2021-10-11 00:21:54,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2021-10-11 00:21:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2021-10-11 00:21:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 288 transitions. [2021-10-11 00:21:54,959 INFO L715 BuchiCegarLoop]: Abstraction has 209 states and 288 transitions. [2021-10-11 00:21:54,959 INFO L595 BuchiCegarLoop]: Abstraction has 209 states and 288 transitions. [2021-10-11 00:21:54,959 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-11 00:21:54,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 288 transitions. [2021-10-11 00:21:54,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 142 [2021-10-11 00:21:54,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:54,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:54,962 INFO L853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:54,962 INFO L854 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, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:54,963 INFO L794 eck$LassoCheckResult]: Stem: 1102#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 987#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~ret48, main_#t~ret49, main_#t~post50, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id2~0 := main_#t~nondet20;havoc main_#t~nondet20;~st2~0 := main_#t~nondet21;havoc main_#t~nondet21;~send2~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode2~0 := main_#t~nondet23;havoc main_#t~nondet23;~id3~0 := main_#t~nondet24;havoc main_#t~nondet24;~st3~0 := main_#t~nondet25;havoc main_#t~nondet25;~send3~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~id6~0 := main_#t~nondet36;havoc main_#t~nondet36;~st6~0 := main_#t~nondet37;havoc main_#t~nondet37;~send6~0 := main_#t~nondet38;havoc main_#t~nondet38;~mode6~0 := main_#t~nondet39;havoc main_#t~nondet39;~id7~0 := main_#t~nondet40;havoc main_#t~nondet40;~st7~0 := main_#t~nondet41;havoc main_#t~nondet41;~send7~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode7~0 := main_#t~nondet43;havoc main_#t~nondet43;~id8~0 := main_#t~nondet44;havoc main_#t~nondet44;~st8~0 := main_#t~nondet45;havoc main_#t~nondet45;~send8~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode8~0 := main_#t~nondet47;havoc main_#t~nondet47;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 988#L297 assume 0 == ~r1~0; 1061#L298 assume ~id1~0 >= 0; 999#L299 assume 0 == ~st1~0; 1000#L300 assume ~send1~0 == ~id1~0; 1048#L301 assume 0 == ~mode1~0 % 256; 1049#L302 assume ~id2~0 >= 0; 1073#L303 assume 0 == ~st2~0; 1026#L304 assume ~send2~0 == ~id2~0; 1027#L305 assume 0 == ~mode2~0 % 256; 1067#L306 assume ~id3~0 >= 0; 997#L307 assume 0 == ~st3~0; 998#L308 assume ~send3~0 == ~id3~0; 1058#L309 assume 0 == ~mode3~0 % 256; 981#L310 assume ~id4~0 >= 0; 982#L311 assume 0 == ~st4~0; 1040#L312 assume ~send4~0 == ~id4~0; 1041#L313 assume 0 == ~mode4~0 % 256; 1089#L314 assume ~id5~0 >= 0; 1024#L315 assume 0 == ~st5~0; 1025#L316 assume ~send5~0 == ~id5~0; 1066#L317 assume 0 == ~mode5~0 % 256; 993#L318 assume ~id6~0 >= 0; 994#L319 assume 0 == ~st6~0; 1057#L320 assume ~send6~0 == ~id6~0; 976#L321 assume 0 == ~mode6~0 % 256; 977#L322 assume ~id7~0 >= 0; 1038#L323 assume 0 == ~st7~0; 1039#L324 assume ~send7~0 == ~id7~0; 1086#L325 assume 0 == ~mode7~0 % 256; 1022#L326 assume ~id8~0 >= 0; 1023#L327 assume 0 == ~st8~0; 1065#L328 assume ~send8~0 == ~id8~0; 991#L329 assume 0 == ~mode8~0 % 256; 992#L330 assume ~id1~0 != ~id2~0; 1056#L331 assume ~id1~0 != ~id3~0; 974#L332 assume ~id1~0 != ~id4~0; 975#L333 assume ~id1~0 != ~id5~0; 1035#L334 assume ~id1~0 != ~id6~0; 1036#L335 assume ~id1~0 != ~id7~0; 1085#L336 assume ~id1~0 != ~id8~0; 1020#L337 assume ~id2~0 != ~id3~0; 1021#L338 assume ~id2~0 != ~id4~0; 1064#L339 assume ~id2~0 != ~id5~0; 989#L340 assume ~id2~0 != ~id6~0; 990#L341 assume ~id2~0 != ~id7~0; 1055#L342 assume ~id2~0 != ~id8~0; 970#L343 assume ~id3~0 != ~id4~0; 971#L344 assume ~id3~0 != ~id5~0; 1033#L345 assume ~id3~0 != ~id6~0; 1034#L346 assume ~id3~0 != ~id7~0; 1083#L347 assume ~id3~0 != ~id8~0; 1017#L348 assume ~id4~0 != ~id5~0; 1018#L349 assume ~id4~0 != ~id6~0; 1063#L350 assume ~id4~0 != ~id7~0; 1013#L351 assume ~id4~0 != ~id8~0; 1014#L352 assume ~id5~0 != ~id6~0; 1054#L353 assume ~id5~0 != ~id7~0; 968#L354 assume ~id5~0 != ~id8~0; 969#L355 assume ~id6~0 != ~id7~0; 1031#L356 assume ~id6~0 != ~id8~0; 1032#L357 assume ~id7~0 != ~id8~0;init_~tmp~0 := 1; 1098#L297-1 init_#res := init_~tmp~0; 1099#L542 main_#t~ret48 := init_#res;main_~i2~0 := main_#t~ret48;havoc main_#t~ret48;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; 1100#L22 assume !(0 == assume_abort_if_not_~cond); 995#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0 := 0; 996#L632-2 [2021-10-11 00:21:54,963 INFO L796 eck$LassoCheckResult]: Loop: 996#L632-2 assume !!(main_~i2~0 < 16);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1170#L92 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p8_old~0;~p8_old~0 := ~nomsg~0; 1008#L96 assume !(node1_~m1~0 != ~nomsg~0); 1051#L96-1 ~mode1~0 := 0; 1107#L92-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1166#L120 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1164#L123 assume !(node2_~m2~0 != ~nomsg~0); 1162#L123-1 ~mode2~0 := 0; 1160#L120-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1158#L145 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1156#L148 assume !(node3_~m3~0 != ~nomsg~0); 1154#L148-1 ~mode3~0 := 0; 1152#L145-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1150#L170 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1148#L173 assume !(node4_~m4~0 != ~nomsg~0); 1146#L173-1 ~mode4~0 := 0; 1144#L170-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1143#L195 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 1141#L198 assume !(node5_~m5~0 != ~nomsg~0); 1138#L198-1 ~mode5~0 := 0; 1136#L195-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 1135#L220 assume !(0 != ~mode6~0 % 256); 1111#L233 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 1110#L233-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 1080#L220-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 1093#L245 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 1084#L248 assume !(node7_~m7~0 != ~nomsg~0); 973#L248-1 ~mode7~0 := 0; 1077#L245-2 havoc node8_#t~ite14, node8_~m8~0;havoc node8_~m8~0;node8_~m8~0 := ~nomsg~0; 1078#L270 assume 0 != ~mode8~0 % 256;node8_~m8~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 1122#L273 assume !(node8_~m8~0 != ~nomsg~0); 1119#L273-1 ~mode8~0 := 0; 1117#L270-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1116#L550 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1; 1115#L551 assume !(~r1~0 >= 8); 1059#L554 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0; 1060#L555 assume ~r1~0 < 8;check_~tmp~1 := 1; 1174#L550-1 check_#res := check_~tmp~1; 1173#L570 main_#t~ret49 := check_#res;main_~c1~0 := main_#t~ret49;havoc main_#t~ret49;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1172#L671 assume !(0 == assert_~arg % 256); 1171#L666 main_#t~post50 := main_~i2~0;main_~i2~0 := 1 + main_#t~post50;havoc main_#t~post50; 996#L632-2 [2021-10-11 00:21:54,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:54,964 INFO L82 PathProgramCache]: Analyzing trace with hash 354076320, now seen corresponding path program 3 times [2021-10-11 00:21:54,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:54,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297941087] [2021-10-11 00:21:54,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:55,020 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:55,067 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:55,103 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:55,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:55,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1735976455, now seen corresponding path program 1 times [2021-10-11 00:21:55,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:55,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102041746] [2021-10-11 00:21:55,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:55,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:55,161 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:55,171 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:55,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:55,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1738478138, now seen corresponding path program 1 times [2021-10-11 00:21:55,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:55,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703834443] [2021-10-11 00:21:55,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:55,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703834443] [2021-10-11 00:21:55,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:55,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:55,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777974604] [2021-10-11 00:21:56,388 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2021-10-11 00:21:57,275 WARN L197 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 173 [2021-10-11 00:21:57,288 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:21:57,289 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:21:57,289 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:21:57,289 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:21:57,290 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:21:57,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:57,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:21:57,290 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:21:57,290 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.8.1.ufo.BOUNDED-16.pals.c_Iteration4_Loop [2021-10-11 00:21:57,290 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:21:57,291 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:21:57,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,737 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-10-11 00:21:57,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:57,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:58,450 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-10-11 00:22:01,686 WARN L197 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 135 DAG size of output: 131 [2021-10-11 00:22:01,800 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:22:01,801 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:01,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:22:01,817 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:01,849 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:22:01,849 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:22:02,017 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:22:02,019 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:22:02,019 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:22:02,019 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:22:02,019 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:22:02,019 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:22:02,019 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:02,019 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:22:02,019 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:22:02,019 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.8.1.ufo.BOUNDED-16.pals.c_Iteration4_Loop [2021-10-11 00:22:02,019 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:22:02,020 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:22:02,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,372 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-10-11 00:22:02,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:02,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:22:03,040 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-10-11 00:22:06,229 WARN L197 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 135 DAG size of output: 131 [2021-10-11 00:22:06,324 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:22:06,329 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:22:06,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:22:06,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,502 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:22:06,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,506 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:22:06,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:22:06,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:22:06,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:22:06,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:22:06,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:22:06,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:22:06,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:22:06,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:22:06,802 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:22:06,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:22:06,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:22:06,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:22:06,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:06,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:06,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:06,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:06,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:06,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:06,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:06,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:06,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:06,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:07,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:07,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:07,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:07,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:07,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:07,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:07,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:07,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:07,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:07,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:22:07,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:22:07,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:22:07,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:22:07,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:22:07,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:22:07,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:22:07,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:22:07,041 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:22:07,062 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:22:07,062 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6449f66b-e365-4637-b04c-eddcc137800c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:22:07,067 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:22:07,067 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:22:07,067 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:22:07,068 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 31 Supporting invariants [] Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:22:07,088 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:22:07,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:07,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:22:07,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:07,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:22:07,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:07,470 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 [2021-10-11 00:22:07,471 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 209 states and 288 transitions. cyclomatic complexity: 80 Second operand 3 states. [2021-10-11 00:22:07,551 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 209 states and 288 transitions. cyclomatic complexity: 80. Second operand 3 states. Result 350 states and 509 transitions. Complement of second has 4 states. [2021-10-11 00:22:07,551 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 [2021-10-11 00:22:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:22:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 183 transitions. [2021-10-11 00:22:07,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 183 transitions. Stem has 67 letters. Loop has 41 letters. [2021-10-11 00:22:07,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:22:07,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 183 transitions. Stem has 108 letters. Loop has 41 letters. [2021-10-11 00:22:07,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:22:07,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 183 transitions. Stem has 67 letters. Loop has 82 letters. [2021-10-11 00:22:07,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:22:07,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 350 states and 509 transitions. [2021-10-11 00:22:07,566 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:22:07,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 350 states to 0 states and 0 transitions. [2021-10-11 00:22:07,567 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:22:07,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:22:07,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:22:07,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:22:07,567 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:07,567 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:07,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:07,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:07,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:07,568 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2021-10-11 00:22:07,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:07,568 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-11 00:22:07,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:22:07,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-11 00:22:07,569 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:22:07,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:22:07,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:22:07,569 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:22:07,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:22:07,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:22:07,570 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:07,570 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:07,570 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:07,570 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-11 00:22:07,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:22:07,570 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:22:07,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:22:07,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:22:07 BoogieIcfgContainer [2021-10-11 00:22:07,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:22:07,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:22:07,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:22:07,577 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:22:07,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:53" (3/4) ... [2021-10-11 00:22:07,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:22:07,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:22:07,582 INFO L168 Benchmark]: Toolchain (without parser) took 15767.24 ms. Allocated memory was 96.5 MB in the beginning and 243.3 MB in the end (delta: 146.8 MB). Free memory was 72.5 MB in the beginning and 108.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 109.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:07,586 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory was 54.2 MB in the beginning and 54.1 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:07,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.52 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 65.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:07,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.50 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 63.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:07,590 INFO L168 Benchmark]: Boogie Preprocessor took 57.99 ms. Allocated memory is still 96.5 MB. Free memory was 63.0 MB in the beginning and 60.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:07,591 INFO L168 Benchmark]: RCFGBuilder took 947.77 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 59.8 MB in the end (delta: 313.8 kB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:07,592 INFO L168 Benchmark]: BuchiAutomizer took 14150.57 ms. Allocated memory was 96.5 MB in the beginning and 243.3 MB in the end (delta: 146.8 MB). Free memory was 59.3 MB in the beginning and 109.3 MB in the end (delta: -49.9 MB). Peak memory consumption was 97.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:07,595 INFO L168 Benchmark]: Witness Printer took 4.14 ms. Allocated memory is still 243.3 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:07,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory was 54.2 MB in the beginning and 54.1 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 510.52 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 65.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.50 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 63.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.99 ms. Allocated memory is still 96.5 MB. Free memory was 63.0 MB in the beginning and 60.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 947.77 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 59.8 MB in the end (delta: 313.8 kB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14150.57 ms. Allocated memory was 96.5 MB in the beginning and 243.3 MB in the end (delta: 146.8 MB). Free memory was 59.3 MB in the beginning and 109.3 MB in the end (delta: -49.9 MB). Peak memory consumption was 97.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.14 ms. Allocated memory is still 243.3 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 31 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.0s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 13.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 209 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 895 SDtfs, 290 SDslu, 1519 SDs, 0 SdLazy, 36 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital257 mio100 ax137 hnf109 lsp38 ukn83 mio100 lsp100 div125 bol100 ite100 ukn100 eq200 hnf78 smp100 dnf734 smp49 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...