./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc --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 64bit --witnessprinter.graph.data.programhash b4d53423478efbe88c69a2c2de1bb984f61e7e586fd7bb6761452f26ace425f7 --- 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-5e519f3 [2022-11-02 20:24:07,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:24:07,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:24:07,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:24:07,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:24:07,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:24:07,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:24:07,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:24:07,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:24:07,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:24:07,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:24:07,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:24:07,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:24:07,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:24:07,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:24:07,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:24:07,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:24:07,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:24:07,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:24:07,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:24:07,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:24:07,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:24:07,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:24:07,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:24:07,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:24:07,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:24:07,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:24:07,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:24:07,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:24:07,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:24:07,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:24:07,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:24:07,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:24:07,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:24:07,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:24:07,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:24:07,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:24:07,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:24:07,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:24:07,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:24:07,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:24:07,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:24:07,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:24:07,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:24:07,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:24:07,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:24:07,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:24:07,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:24:07,461 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:24:07,461 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:24:07,461 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:24:07,461 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:24:07,463 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:24:07,463 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:24:07,463 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:24:07,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:24:07,464 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:24:07,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:24:07,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:24:07,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:24:07,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:24:07,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:24:07,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:24:07,466 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:24:07,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:24:07,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:24:07,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:24:07,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:24:07,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:24:07,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:24:07,469 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:24:07,469 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_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4d53423478efbe88c69a2c2de1bb984f61e7e586fd7bb6761452f26ace425f7 [2022-11-02 20:24:07,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:24:07,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:24:07,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:24:07,837 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:24:07,838 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:24:07,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion.c [2022-11-02 20:24:07,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/data/4ea0fdf89/46b77a38d1db490d9bde043b012ee80e/FLAGb0e7b8ee8 [2022-11-02 20:24:08,485 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:24:08,486 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/sv-benchmarks/c/termination-crafted/McCarthy91_Recursion.c [2022-11-02 20:24:08,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/data/4ea0fdf89/46b77a38d1db490d9bde043b012ee80e/FLAGb0e7b8ee8 [2022-11-02 20:24:08,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/data/4ea0fdf89/46b77a38d1db490d9bde043b012ee80e [2022-11-02 20:24:08,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:24:08,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:24:08,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:24:08,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:24:08,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:24:08,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:24:08" (1/1) ... [2022-11-02 20:24:08,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ae22b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:08, skipping insertion in model container [2022-11-02 20:24:08,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:24:08" (1/1) ... [2022-11-02 20:24:08,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:24:08,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:24:09,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:24:09,109 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:24:09,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:24:09,144 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:24:09,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09 WrapperNode [2022-11-02 20:24:09,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:24:09,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:24:09,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:24:09,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:24:09,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,191 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6 [2022-11-02 20:24:09,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:24:09,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:24:09,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:24:09,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:24:09,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,211 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:24:09,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:24:09,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:24:09,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:24:09,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (1/1) ... [2022-11-02 20:24:09,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:09,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:09,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:09,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:24:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:24:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:24:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure mc91 [2022-11-02 20:24:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mc91 [2022-11-02 20:24:09,381 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:24:09,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:24:09,516 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:24:09,524 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:24:09,525 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:24:09,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:24:09 BoogieIcfgContainer [2022-11-02 20:24:09,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:24:09,528 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:24:09,528 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:24:09,534 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:24:09,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:24:09,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:24:08" (1/3) ... [2022-11-02 20:24:09,537 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@730f4d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:24:09, skipping insertion in model container [2022-11-02 20:24:09,537 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:24:09,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:09" (2/3) ... [2022-11-02 20:24:09,538 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@730f4d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:24:09, skipping insertion in model container [2022-11-02 20:24:09,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:24:09,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:24:09" (3/3) ... [2022-11-02 20:24:09,542 INFO L332 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Recursion.c [2022-11-02 20:24:09,622 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:24:09,623 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:24:09,623 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:24:09,623 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:24:09,623 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:24:09,623 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:24:09,623 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:24:09,624 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:24:09,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2022-11-02 20:24:09,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:24:09,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:24:09,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:24:09,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:24:09,690 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:24:09,690 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:24:09,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2022-11-02 20:24:09,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:24:09,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:24:09,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:24:09,695 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:24:09,695 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:24:09,704 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~ret3#1, main_~x~0#1;main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2#L16true call main_#t~ret3#1 := mc91(main_~x~0#1);< 6#mc91ENTRYtrue [2022-11-02 20:24:09,705 INFO L750 eck$LassoCheckResult]: Loop: 6#mc91ENTRYtrue ~n := #in~n; 10#L10true assume !(~n > 100); 11#L11true call #t~ret0 := mc91(11 + ~n);< 6#mc91ENTRYtrue [2022-11-02 20:24:09,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:09,713 INFO L85 PathProgramCache]: Analyzing trace with hash 29870, now seen corresponding path program 1 times [2022-11-02 20:24:09,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:09,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850146570] [2022-11-02 20:24:09,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:09,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:09,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:09,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:09,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash 37870, now seen corresponding path program 1 times [2022-11-02 20:24:09,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:09,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378942536] [2022-11-02 20:24:09,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:09,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:09,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:09,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:09,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:09,934 INFO L85 PathProgramCache]: Analyzing trace with hash 889865249, now seen corresponding path program 1 times [2022-11-02 20:24:09,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:09,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20557713] [2022-11-02 20:24:09,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:09,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:09,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:09,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:10,147 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:24:10,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:24:10,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:24:10,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:24:10,148 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:24:10,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:10,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:24:10,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:24:10,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Recursion.c_Iteration1_Loop [2022-11-02 20:24:10,150 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:24:10,150 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:24:10,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,320 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:24:10,321 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:24:10,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:10,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:10,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:10,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:24:10,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:24:10,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:24:10,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-02 20:24:10,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:10,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:10,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:10,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:24:10,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:24:10,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:24:10,521 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:24:10,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:24:10,533 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:24:10,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:24:10,533 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:24:10,533 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:24:10,533 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:24:10,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:10,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:24:10,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:24:10,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Recursion.c_Iteration1_Loop [2022-11-02 20:24:10,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:24:10,534 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:24:10,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,557 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:10,640 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:24:10,645 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:24:10,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:10,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:10,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:10,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:24:10,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:24:10,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:24:10,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:24:10,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:24:10,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:24:10,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:24:10,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:24:10,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:24:10,691 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:24:10,700 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-02 20:24:10,701 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:24:10,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:10,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:10,707 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:10,720 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:24:10,720 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:24:10,721 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:24:10,722 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mc91_#in~n) = -2*mc91_#in~n + 211 Supporting invariants [] [2022-11-02 20:24:10,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:24:10,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:24:10,774 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:24:10,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:10,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:24:10,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:24:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:10,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:24:10,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:24:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:24:11,011 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 [2022-11-02 20:24:11,014 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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 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) [2022-11-02 20:24:11,130 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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 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 32 states and 39 transitions. Complement of second has 12 states. [2022-11-02 20:24:11,133 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 [2022-11-02 20:24:11,139 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) [2022-11-02 20:24:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2022-11-02 20:24:11,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-02 20:24:11,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:24:11,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-02 20:24:11,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:24:11,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-02 20:24:11,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:24:11,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2022-11-02 20:24:11,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:24:11,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 19 states and 25 transitions. [2022-11-02 20:24:11,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-02 20:24:11,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-02 20:24:11,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-11-02 20:24:11,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:24:11,171 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-02 20:24:11,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-11-02 20:24:11,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2022-11-02 20:24:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-02 20:24:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-02 20:24:11,221 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-02 20:24:11,221 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-02 20:24:11,222 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:24:11,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2022-11-02 20:24:11,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:24:11,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:24:11,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:24:11,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:11,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:11,229 INFO L748 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 108#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~ret3#1, main_~x~0#1;main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 103#L16 call main_#t~ret3#1 := mc91(main_~x~0#1);< 104#mc91ENTRY ~n := #in~n; 109#L10 assume !(~n > 100); 101#L11 call #t~ret0 := mc91(11 + ~n);< 102#mc91ENTRY ~n := #in~n; 110#L10 assume ~n > 100;#res := ~n - 10; 105#mc91FINAL assume true; 106#mc91EXIT >#20#return; 99#L11-1 [2022-11-02 20:24:11,229 INFO L750 eck$LassoCheckResult]: Loop: 99#L11-1 call #t~ret1 := mc91(#t~ret0);< 100#mc91ENTRY ~n := #in~n; 113#L10 assume !(~n > 100); 98#L11 call #t~ret0 := mc91(11 + ~n);< 100#mc91ENTRY ~n := #in~n; 113#L10 assume ~n > 100;#res := ~n - 10; 112#mc91FINAL assume true; 114#mc91EXIT >#20#return; 99#L11-1 [2022-11-02 20:24:11,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:11,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1612519912, now seen corresponding path program 1 times [2022-11-02 20:24:11,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:11,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977564881] [2022-11-02 20:24:11,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:11,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:11,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:11,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:11,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:11,280 INFO L85 PathProgramCache]: Analyzing trace with hash -696734814, now seen corresponding path program 1 times [2022-11-02 20:24:11,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:11,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284533658] [2022-11-02 20:24:11,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:11,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:11,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:11,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:11,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:11,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1110240905, now seen corresponding path program 1 times [2022-11-02 20:24:11,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:11,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580587535] [2022-11-02 20:24:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:11,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:11,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:11,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:11,562 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:24:11,563 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:24:11,563 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:24:11,563 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:24:11,563 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:24:11,563 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:11,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:24:11,564 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:24:11,564 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Recursion.c_Iteration2_Loop [2022-11-02 20:24:11,564 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:24:11,564 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:24:11,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:11,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:11,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:24:11,635 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:24:11,635 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:24:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:11,637 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:11,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:24:11,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:24:11,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:24:11,671 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:24:11,671 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mc91_#t~ret1=0} Honda state: {mc91_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:24:11,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:24:11,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:11,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:11,697 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:11,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:24:11,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:24:11,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:24:11,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:24:11,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:11,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:11,791 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:11,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:24:11,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:24:11,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:24:11,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96345c0-34a6-4ad2-a66d-71bb7d52c12b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0