./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition01-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition01-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8 --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 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 19:10:53,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:10:53,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:10:53,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:10:53,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:10:53,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:10:53,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:10:53,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:10:53,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:10:53,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:10:53,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:10:53,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:10:53,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:10:53,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:10:53,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:10:53,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:10:53,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:10:53,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:10:53,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:10:53,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:10:53,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:10:53,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:10:53,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:10:53,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:10:53,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:10:53,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:10:53,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:10:53,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:10:53,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:10:53,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:10:53,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:10:53,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:10:53,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:10:53,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:10:53,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:10:53,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:10:53,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:10:53,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:10:53,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:10:53,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:10:53,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:10:53,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 19:10:53,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:10:53,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:10:53,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:10:53,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:10:53,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:10:53,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:10:53,540 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:10:53,541 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 19:10:53,541 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 19:10:53,541 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 19:10:53,541 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 19:10:53,541 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 19:10:53,541 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 19:10:53,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:10:53,541 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:10:53,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:10:53,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:10:53,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:10:53,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:10:53,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 19:10:53,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 19:10:53,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 19:10:53,542 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:10:53,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:10:53,543 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 19:10:53,543 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:10:53,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 19:10:53,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:10:53,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:10:53,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:10:53,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:10:53,544 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 19:10:53,544 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_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 [2022-12-13 19:10:53,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:10:53,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:10:53,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:10:53,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:10:53,726 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:10:53,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/recursive/Addition01-2.c [2022-12-13 19:10:56,363 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:10:56,488 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:10:56,488 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/sv-benchmarks/c/recursive/Addition01-2.c [2022-12-13 19:10:56,492 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/data/f4738c9a1/5214b30740424ef58ee64f22f87cb284/FLAG99eadc3cd [2022-12-13 19:10:56,503 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/data/f4738c9a1/5214b30740424ef58ee64f22f87cb284 [2022-12-13 19:10:56,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:10:56,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:10:56,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:10:56,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:10:56,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:10:56,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3125be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56, skipping insertion in model container [2022-12-13 19:10:56,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:10:56,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:10:56,630 WARN L237 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_18cd7748-beab-46df-9001-3ee9967f1a1d/sv-benchmarks/c/recursive/Addition01-2.c[1126,1139] [2022-12-13 19:10:56,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:10:56,640 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:10:56,650 WARN L237 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_18cd7748-beab-46df-9001-3ee9967f1a1d/sv-benchmarks/c/recursive/Addition01-2.c[1126,1139] [2022-12-13 19:10:56,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:10:56,660 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:10:56,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56 WrapperNode [2022-12-13 19:10:56,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:10:56,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:10:56,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:10:56,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:10:56,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,687 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-12-13 19:10:56,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:10:56,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:10:56,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:10:56,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:10:56,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,702 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:10:56,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:10:56,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:10:56,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:10:56,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (1/1) ... [2022-12-13 19:10:56,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:56,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:56,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:56,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 19:10:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:10:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:10:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:10:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:10:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2022-12-13 19:10:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2022-12-13 19:10:56,823 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:10:56,824 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:10:56,904 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:10:56,909 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:10:56,909 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:10:56,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:10:56 BoogieIcfgContainer [2022-12-13 19:10:56,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:10:56,911 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 19:10:56,911 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 19:10:56,914 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 19:10:56,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:10:56,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 07:10:56" (1/3) ... [2022-12-13 19:10:56,915 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@479629f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:10:56, skipping insertion in model container [2022-12-13 19:10:56,915 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:10:56,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:10:56" (2/3) ... [2022-12-13 19:10:56,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@479629f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:10:56, skipping insertion in model container [2022-12-13 19:10:56,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:10:56,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:10:56" (3/3) ... [2022-12-13 19:10:56,917 INFO L332 chiAutomizerObserver]: Analyzing ICFG Addition01-2.c [2022-12-13 19:10:56,958 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 19:10:56,959 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 19:10:56,959 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 19:10:56,959 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 19:10:56,959 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 19:10:56,959 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 19:10:56,959 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 19:10:56,959 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 19:10:56,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 19:10:56,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 19:10:56,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:10:56,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:10:56,986 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 19:10:56,986 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 19:10:56,986 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 19:10:56,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 19:10:56,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 19:10:56,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:10:56,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:10:56,988 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 19:10:56,989 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 19:10:56,994 INFO L748 eck$LassoCheckResult]: Stem: 19#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 4#L30true assume !(main_~m~0#1 < 0 || main_~m~0#1 > 1073741823);main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 10#L36true assume !(main_~n~0#1 < 0 || main_~n~0#1 > 1073741823); 17#L41true call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 6#$Ultimate##0true [2022-12-13 19:10:56,994 INFO L750 eck$LassoCheckResult]: Loop: 6#$Ultimate##0true ~m := #in~m;~n := #in~n; 7#L16true assume !(0 == ~n); 14#L19true assume ~n > 0; 15#L20true call #t~ret4 := addition(1 + ~m, ~n - 1);< 6#$Ultimate##0true [2022-12-13 19:10:56,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash 28695875, now seen corresponding path program 1 times [2022-12-13 19:10:57,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:57,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238578929] [2022-12-13 19:10:57,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:57,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:10:57,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:10:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:10:57,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:10:57,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:57,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1697202, now seen corresponding path program 1 times [2022-12-13 19:10:57,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:57,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477726110] [2022-12-13 19:10:57,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:57,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:10:57,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:10:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:10:57,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:10:57,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:57,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1295733236, now seen corresponding path program 1 times [2022-12-13 19:10:57,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:57,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758886869] [2022-12-13 19:10:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:10:57,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:10:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:10:57,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:10:57,251 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 19:10:57,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 19:10:57,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 19:10:57,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 19:10:57,252 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 19:10:57,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 19:10:57,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 19:10:57,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2022-12-13 19:10:57,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 19:10:57,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 19:10:57,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,333 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 19:10:57,333 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 19:10:57,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 19:10:57,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:10:57,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:57,354 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 19:10:57,355 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 19:10:57,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:10:57,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 19:10:57,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:10:57,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:57,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 19:10:57,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 19:10:57,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 19:10:57,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:57,419 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 19:10:57,419 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=1}, {addition_#in~m=3}, {addition_#in~m=-3}] Lambdas: [1, 2, 1] Nus: [0, 1] [2022-12-13 19:10:57,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 19:10:57,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,423 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 19:10:57,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:10:57,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:57,437 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 19:10:57,437 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 19:10:57,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 19:10:57,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 19:10:57,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:10:57,443 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:57,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 19:10:57,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,458 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 19:10:57,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 19:10:57,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:57,533 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 19:10:57,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 19:10:57,537 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 19:10:57,537 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 19:10:57,537 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 19:10:57,537 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 19:10:57,537 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 19:10:57,537 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,537 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 19:10:57,537 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 19:10:57,537 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2022-12-13 19:10:57,537 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 19:10:57,537 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 19:10:57,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,553 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,557 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:57,591 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 19:10:57,594 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 19:10:57,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,596 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 19:10:57,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:10:57,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:10:57,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:10:57,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:10:57,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:10:57,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:10:57,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:10:57,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:10:57,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:10:57,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 19:10:57,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,617 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 19:10:57,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:10:57,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:10:57,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:10:57,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:10:57,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:10:57,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:10:57,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:10:57,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:10:57,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:10:57,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 19:10:57,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 19:10:57,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:10:57,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:10:57,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:10:57,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:10:57,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:10:57,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:10:57,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:10:57,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:10:57,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:10:57,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 19:10:57,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,656 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 19:10:57,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:10:57,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:10:57,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:10:57,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:10:57,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:10:57,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:10:57,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:10:57,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:10:57,673 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 19:10:57,676 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-12-13 19:10:57,676 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 19:10:57,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:57,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:57,705 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:57,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 19:10:57,707 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 19:10:57,707 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 19:10:57,707 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 19:10:57,707 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2022-12-13 19:10:57,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 19:10:57,713 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 19:10:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:57,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:10:57,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:10:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:57,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 19:10:57,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:10:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:10:57,876 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-12-13 19:10:57,878 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:10:57,956 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 73 transitions. Complement of second has 12 states. [2022-12-13 19:10:57,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 19:10:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:10:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-12-13 19:10:57,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2022-12-13 19:10:57,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:10:57,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2022-12-13 19:10:57,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:10:57,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2022-12-13 19:10:57,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:10:57,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 73 transitions. [2022-12-13 19:10:57,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 19:10:57,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 27 states and 30 transitions. [2022-12-13 19:10:57,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-12-13 19:10:57,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-12-13 19:10:57,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2022-12-13 19:10:57,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 19:10:57,978 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-12-13 19:10:57,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2022-12-13 19:10:57,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2022-12-13 19:10:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:10:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2022-12-13 19:10:57,998 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-12-13 19:10:57,998 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-12-13 19:10:57,998 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 19:10:57,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2022-12-13 19:10:57,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 19:10:57,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:10:57,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:10:57,999 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:10:58,000 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 19:10:58,000 INFO L748 eck$LassoCheckResult]: Stem: 150#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 142#L30 assume !(main_~m~0#1 < 0 || main_~m~0#1 > 1073741823);main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 143#L36 assume !(main_~n~0#1 < 0 || main_~n~0#1 > 1073741823); 137#L41 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 141#$Ultimate##0 ~m := #in~m;~n := #in~n; 145#L16 assume !(0 == ~n); 148#L19 assume !(~n > 0); 144#L22 [2022-12-13 19:10:58,000 INFO L750 eck$LassoCheckResult]: Loop: 144#L22 assume ~n < 0; 136#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 138#$Ultimate##0 ~m := #in~m;~n := #in~n; 153#L16 assume !(0 == ~n); 152#L19 assume !(~n > 0); 144#L22 [2022-12-13 19:10:58,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:58,001 INFO L85 PathProgramCache]: Analyzing trace with hash 180345180, now seen corresponding path program 1 times [2022-12-13 19:10:58,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:58,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270258016] [2022-12-13 19:10:58,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:58,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:10:58,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:10:58,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270258016] [2022-12-13 19:10:58,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270258016] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:10:58,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:10:58,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:10:58,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385264456] [2022-12-13 19:10:58,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:10:58,131 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 19:10:58,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:58,131 INFO L85 PathProgramCache]: Analyzing trace with hash 65148085, now seen corresponding path program 1 times [2022-12-13 19:10:58,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:58,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537197992] [2022-12-13 19:10:58,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:58,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:10:58,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:10:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:10:58,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:10:58,224 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 19:10:58,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 19:10:58,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 19:10:58,224 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 19:10:58,224 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 19:10:58,224 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:58,224 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 19:10:58,224 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 19:10:58,224 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2022-12-13 19:10:58,224 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 19:10:58,224 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 19:10:58,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:58,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:58,229 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:58,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:58,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:10:58,283 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 19:10:58,283 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 19:10:58,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:58,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:58,284 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:58,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 19:10:58,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:10:58,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:58,298 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 19:10:58,298 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 19:10:58,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-12-13 19:10:58,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:58,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:58,302 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:58,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 19:10:58,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:10:58,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:58,315 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 19:10:58,316 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 19:10:58,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 19:10:58,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:58,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:58,319 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:58,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 19:10:58,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:10:58,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:58,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 19:10:58,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:58,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:58,345 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:58,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 19:10:58,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 19:10:58,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:58,471 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 19:10:58,471 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0, addition_~m=-6} Honda state: {addition_#in~m=0, addition_~m=-6} Generalized eigenvectors: [{addition_#in~m=-2, addition_~m=-1}, {addition_#in~m=1, addition_~m=0}, {addition_#in~m=-6, addition_~m=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2022-12-13 19:10:58,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 19:10:58,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:58,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:58,476 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:58,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 19:10:58,478 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:10:58,478 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:58,489 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 19:10:58,489 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 19:10:58,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 19:10:58,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:58,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:58,493 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:58,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 19:10:58,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:10:58,495 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:10:58,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 19:10:58,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:10:58,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:10:58,518 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:10:58,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 19:10:58,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 19:10:58,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:11:04,812 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 19:11:04,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-12-13 19:11:04,816 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 19:11:04,816 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 19:11:04,816 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 19:11:04,816 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 19:11:04,816 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 19:11:04,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:11:04,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 19:11:04,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 19:11:04,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2022-12-13 19:11:04,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 19:11:04,817 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 19:11:04,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:11:04,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:11:04,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:11:04,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:11:04,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:11:04,870 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 19:11:04,870 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 19:11:04,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:11:04,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:11:04,871 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:11:04,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 19:11:04,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:11:04,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:11:04,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:11:04,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:11:04,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:11:04,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:11:04,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:11:04,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:11:04,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:11:04,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 19:11:04,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:11:04,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:11:04,889 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:11:04,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 19:11:04,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:11:04,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:11:04,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:11:04,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:11:04,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:11:04,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:11:04,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:11:04,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:11:04,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:11:04,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 19:11:04,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:11:04,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:11:04,907 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:11:04,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 19:11:04,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:11:04,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:11:04,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:11:04,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:11:04,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:11:04,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:11:04,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:11:04,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:11:04,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:11:04,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 19:11:04,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:11:04,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:11:04,926 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:11:04,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 19:11:04,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:11:04,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:11:04,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:11:04,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:11:04,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:11:04,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:11:04,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:11:04,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:11:04,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 19:11:04,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:11:04,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 19:11:04,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:11:04,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:11:04,949 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:11:04,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 19:11:04,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:11:04,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:11:04,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:11:04,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:11:04,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:11:04,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:11:04,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:11:04,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:11:04,967 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 19:11:04,971 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 19:11:04,971 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 19:11:04,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:11:04,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:11:04,972 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:11:04,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 19:11:04,974 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 19:11:04,974 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 19:11:04,974 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 19:11:04,974 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2022-12-13 19:11:04,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 19:11:04,977 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 19:11:04,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:11:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:11:05,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:11:05,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:11:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:11:05,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 19:11:05,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:11:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:11:05,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 19:11:05,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:11:05,097 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 13 states. [2022-12-13 19:11:05,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 19:11:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:11:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-12-13 19:11:05,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. [2022-12-13 19:11:05,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:11:05,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 5 letters. [2022-12-13 19:11:05,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:11:05,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 10 letters. [2022-12-13 19:11:05,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:11:05,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2022-12-13 19:11:05,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 19:11:05,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 31 transitions. [2022-12-13 19:11:05,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-12-13 19:11:05,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-12-13 19:11:05,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2022-12-13 19:11:05,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 19:11:05,102 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-12-13 19:11:05,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2022-12-13 19:11:05,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2022-12-13 19:11:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:11:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-12-13 19:11:05,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-12-13 19:11:05,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:11:05,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:11:05,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:11:05,108 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:11:05,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:11:05,136 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2022-12-13 19:11:05,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2022-12-13 19:11:05,137 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 19:11:05,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-12-13 19:11:05,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 19:11:05,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 19:11:05,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 19:11:05,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:11:05,137 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:11:05,137 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:11:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:11:05,138 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:11:05,138 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 19:11:05,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:11:05,138 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 19:11:05,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 19:11:05,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 07:11:05 BoogieIcfgContainer [2022-12-13 19:11:05,143 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 19:11:05,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:11:05,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:11:05,143 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:11:05,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:10:56" (3/4) ... [2022-12-13 19:11:05,145 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:11:05,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:11:05,146 INFO L158 Benchmark]: Toolchain (without parser) took 8639.53ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 99.0MB in the beginning and 110.6MB in the end (delta: -11.6MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-12-13 19:11:05,146 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:11:05,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.03ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 89.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:11:05,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.87ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:11:05,147 INFO L158 Benchmark]: Boogie Preprocessor took 16.45ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 86.9MB in the end (delta: 739.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:11:05,147 INFO L158 Benchmark]: RCFGBuilder took 205.19ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 76.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:11:05,147 INFO L158 Benchmark]: BuchiAutomizer took 8231.69ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 76.6MB in the beginning and 111.7MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:11:05,147 INFO L158 Benchmark]: Witness Printer took 2.22ms. Allocated memory is still 161.5MB. Free memory was 111.7MB in the beginning and 110.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:11:05,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 153.03ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 89.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.87ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.45ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 86.9MB in the end (delta: 739.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 205.19ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 76.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 8231.69ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 76.6MB in the beginning and 111.7MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.22ms. Allocated memory is still 161.5MB. Free memory was 111.7MB in the beginning and 110.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 30 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp87 dnf100 smp100 tf110 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 19:11:05,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 19:11:05,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cd7748-beab-46df-9001-3ee9967f1a1d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE