./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/sum_25x0-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/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_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/sum_25x0-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/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_9c001643-e0ef-4f35-ac96-873837c44812/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 8ec6e434f91e1569e6fad03794f07a751e615694ef413649174052dcc7984987 --- 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 16:07:58,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:07:58,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:07:58,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:07:58,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:07:58,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:07:58,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:07:58,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:07:58,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:07:58,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:07:58,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:07:58,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:07:58,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:07:58,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:07:58,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:07:58,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:07:58,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:07:58,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:07:58,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:07:58,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:07:58,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:07:58,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:07:58,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:07:58,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:07:58,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:07:58,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:07:58,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:07:58,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:07:58,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:07:58,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:07:58,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:07:58,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:07:58,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:07:58,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:07:58,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:07:58,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:07:58,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:07:58,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:07:58,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:07:58,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:07:58,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:07:58,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 16:07:58,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:07:58,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:07:58,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:07:58,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:07:58,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:07:58,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:07:58,389 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:07:58,389 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 16:07:58,389 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 16:07:58,389 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 16:07:58,389 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 16:07:58,389 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 16:07:58,390 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 16:07:58,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:07:58,390 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:07:58,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:07:58,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:07:58,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:07:58,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:07:58,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 16:07:58,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 16:07:58,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 16:07:58,391 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:07:58,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:07:58,391 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 16:07:58,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:07:58,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 16:07:58,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:07:58,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:07:58,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:07:58,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:07:58,393 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 16:07:58,393 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_9c001643-e0ef-4f35-ac96-873837c44812/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ec6e434f91e1569e6fad03794f07a751e615694ef413649174052dcc7984987 [2022-12-13 16:07:58,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:07:58,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:07:58,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:07:58,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:07:58,596 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:07:58,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2022-12-13 16:08:01,254 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:08:01,402 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:08:01,403 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2022-12-13 16:08:01,407 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/data/90584079a/1d0579047db0485fbf9eabc2429762c1/FLAG39483cebb [2022-12-13 16:08:01,417 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/data/90584079a/1d0579047db0485fbf9eabc2429762c1 [2022-12-13 16:08:01,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:08:01,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:08:01,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:08:01,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:08:01,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:08:01,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6d4627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01, skipping insertion in model container [2022-12-13 16:08:01,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:08:01,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:08:01,560 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_9c001643-e0ef-4f35-ac96-873837c44812/sv-benchmarks/c/recursive-simple/sum_25x0-1.c[481,494] [2022-12-13 16:08:01,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:08:01,570 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:08:01,579 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_9c001643-e0ef-4f35-ac96-873837c44812/sv-benchmarks/c/recursive-simple/sum_25x0-1.c[481,494] [2022-12-13 16:08:01,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:08:01,589 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:08:01,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01 WrapperNode [2022-12-13 16:08:01,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:08:01,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:08:01,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:08:01,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:08:01,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,611 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-12-13 16:08:01,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:08:01,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:08:01,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:08:01,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:08:01,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,622 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:08:01,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:08:01,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:08:01,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:08:01,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (1/1) ... [2022-12-13 16:08:01,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:01,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:01,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:01,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 16:08:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:08:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:08:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:08:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-12-13 16:08:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-12-13 16:08:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:08:01,735 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:08:01,736 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:08:01,793 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:08:01,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:08:01,798 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:08:01,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:01 BoogieIcfgContainer [2022-12-13 16:08:01,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:08:01,800 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 16:08:01,800 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 16:08:01,803 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 16:08:01,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:08:01,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 04:08:01" (1/3) ... [2022-12-13 16:08:01,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@444f2de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:08:01, skipping insertion in model container [2022-12-13 16:08:01,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:08:01,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:01" (2/3) ... [2022-12-13 16:08:01,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@444f2de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:08:01, skipping insertion in model container [2022-12-13 16:08:01,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:08:01,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:01" (3/3) ... [2022-12-13 16:08:01,805 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum_25x0-1.c [2022-12-13 16:08:01,846 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 16:08:01,846 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 16:08:01,847 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 16:08:01,847 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 16:08:01,847 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 16:08:01,847 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 16:08:01,847 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 16:08:01,847 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 16:08:01,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:08:01,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 16:08:01,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:08:01,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:08:01,870 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 16:08:01,870 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 16:08:01,870 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 16:08:01,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:08:01,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 16:08:01,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:08:01,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:08:01,871 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 16:08:01,872 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 16:08:01,877 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~a~0#1, main_~b~0#1, main_~result~0#1;main_~a~0#1 := 25;main_~b~0#1 := 0; 2#L16true call main_#t~ret5#1 := sum(main_~a~0#1, main_~b~0#1);< 8#$Ultimate##0true [2022-12-13 16:08:01,877 INFO L750 eck$LassoCheckResult]: Loop: 8#$Ultimate##0true ~n := #in~n;~m := #in~m; 14#L6true assume !(~n <= 0); 12#L9true call #t~ret4 := sum(~n - 1, 1 + ~m);< 8#$Ultimate##0true [2022-12-13 16:08:01,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:01,882 INFO L85 PathProgramCache]: Analyzing trace with hash 29876, now seen corresponding path program 1 times [2022-12-13 16:08:01,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:01,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282749675] [2022-12-13 16:08:01,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:01,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:01,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:01,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:01,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:01,975 INFO L85 PathProgramCache]: Analyzing trace with hash 44820, now seen corresponding path program 1 times [2022-12-13 16:08:01,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:01,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228618917] [2022-12-13 16:08:01,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:01,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:01,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:01,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:01,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:01,985 INFO L85 PathProgramCache]: Analyzing trace with hash 890050945, now seen corresponding path program 1 times [2022-12-13 16:08:01,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:01,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740604034] [2022-12-13 16:08:01,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:01,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:02,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:02,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:02,119 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:02,119 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:02,119 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:02,119 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:02,119 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 16:08:02,120 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,120 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:02,120 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:02,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_25x0-1.c_Iteration1_Loop [2022-12-13 16:08:02,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:02,120 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:02,132 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 16:08:02,140 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 16:08:02,143 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 16:08:02,145 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 16:08:02,148 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 16:08:02,157 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 16:08:02,210 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:02,210 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 16:08:02,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 16:08:02,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:02,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:02,231 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:02,232 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#t~ret4=0} Honda state: {sum_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:02,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:02,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 16:08:02,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:02,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:02,250 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:02,251 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:02,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 16:08:02,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 16:08:02,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:02,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:02,269 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:02,269 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~n=0} Honda state: {sum_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:02,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 16:08:02,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 16:08:02,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:02,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:02,287 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 16:08:02,287 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~m=0} Honda state: {sum_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 16:08:02,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:02,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,291 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 16:08:02,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:08:02,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:02,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 16:08:02,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,309 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 16:08:02,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 16:08:02,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:08:02,372 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 16:08:02,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 16:08:02,375 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:08:02,375 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:08:02,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:08:02,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:08:02,376 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:08:02,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:08:02,376 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:08:02,376 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_25x0-1.c_Iteration1_Loop [2022-12-13 16:08:02,376 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:08:02,376 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:08:02,378 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 16:08:02,380 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 16:08:02,382 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 16:08:02,383 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 16:08:02,385 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 16:08:02,390 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 16:08:02,424 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:08:02,429 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:08:02,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,432 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 16:08:02,437 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 16:08:02,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:02,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:08:02,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:02,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:02,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:02,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:08:02,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:08:02,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:02,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 16:08:02,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,457 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 16:08:02,459 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 16:08:02,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:02,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:08:02,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:02,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:02,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:02,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:08:02,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:08:02,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:02,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 16:08:02,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,476 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 16:08:02,478 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 16:08:02,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:02,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:08:02,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:02,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:02,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:02,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:08:02,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:08:02,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:02,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:02,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,498 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 16:08:02,501 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 16:08:02,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:02,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:08:02,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:02,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:02,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:02,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:08:02,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:08:02,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:08:02,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 16:08:02,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,518 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 16:08:02,520 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 16:08:02,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:08:02,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:08:02,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:08:02,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:08:02,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:08:02,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:08:02,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:08:02,535 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 16:08:02,538 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-12-13 16:08:02,538 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 16:08:02,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:08:02,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:02,589 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:02,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 16:08:02,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 16:08:02,593 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 16:08:02,593 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 16:08:02,594 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sum_#in~n) = 1*sum_#in~n Supporting invariants [] [2022-12-13 16:08:02,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:02,604 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 16:08:02,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:02,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 16:08:02,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:02,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:08:02,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:02,770 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 16:08:02,803 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 16:08:02,804 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 16:08:02,867 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 30 states and 35 transitions. Complement of second has 12 states. [2022-12-13 16:08:02,869 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 16:08:02,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 16:08:02,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2022-12-13 16:08:02,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2022-12-13 16:08:02,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:02,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2022-12-13 16:08:02,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:02,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2022-12-13 16:08:02,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:08:02,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-12-13 16:08:02,877 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 16:08:02,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2022-12-13 16:08:02,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 16:08:02,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 16:08:02,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 16:08:02,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:08:02,880 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:08:02,880 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:08:02,880 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:08:02,880 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 16:08:02,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 16:08:02,880 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 16:08:02,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 16:08:02,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 04:08:02 BoogieIcfgContainer [2022-12-13 16:08:02,885 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 16:08:02,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:08:02,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:08:02,886 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:08:02,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:01" (3/4) ... [2022-12-13 16:08:02,888 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:08:02,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:08:02,888 INFO L158 Benchmark]: Toolchain (without parser) took 1467.44ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 91.3MB in the beginning and 80.0MB in the end (delta: 11.3MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-12-13 16:08:02,889 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:08:02,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.08ms. Allocated memory is still 125.8MB. Free memory was 90.9MB in the beginning and 81.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 16:08:02,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.41ms. Allocated memory is still 125.8MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:08:02,890 INFO L158 Benchmark]: Boogie Preprocessor took 11.49ms. Allocated memory is still 125.8MB. Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:08:02,890 INFO L158 Benchmark]: RCFGBuilder took 175.27ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 69.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 16:08:02,890 INFO L158 Benchmark]: BuchiAutomizer took 1085.12ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 69.9MB in the beginning and 80.0MB in the end (delta: -10.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-12-13 16:08:02,890 INFO L158 Benchmark]: Witness Printer took 2.41ms. Allocated memory is still 151.0MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:08:02,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.08ms. Allocated memory is still 125.8MB. Free memory was 90.9MB in the beginning and 81.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.41ms. Allocated memory is still 125.8MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.49ms. Allocated memory is still 125.8MB. Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 175.27ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 69.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1085.12ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 69.9MB in the beginning and 80.0MB in the end (delta: -10.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 2.41ms. Allocated memory is still 151.0MB. Free memory is still 80.0MB. There was no memory consumed. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg94 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 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 16:08:02,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-12-13 16:08:03,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c001643-e0ef-4f35-ac96-873837c44812/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE