./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:58:45,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:58:45,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 20:58:45,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:58:45,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:58:45,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:58:45,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:58:45,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:58:45,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:58:45,324 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:58:45,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:58:45,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:58:45,326 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:58:45,329 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 20:58:45,329 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 20:58:45,330 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 20:58:45,330 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 20:58:45,331 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 20:58:45,331 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 20:58:45,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:58:45,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 20:58:45,333 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:58:45,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:58:45,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:58:45,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:58:45,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 20:58:45,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 20:58:45,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 20:58:45,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 20:58:45,337 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:58:45,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:58:45,339 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 20:58:45,339 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:58:45,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:58:45,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:58:45,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:58:45,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:58:45,342 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 20:58:45,342 INFO L153 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_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 [2023-11-21 20:58:45,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:58:45,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:58:45,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:58:45,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:58:45,676 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:58:45,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/recursive/Addition02.c [2023-11-21 20:58:48,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:58:48,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:58:48,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/sv-benchmarks/c/recursive/Addition02.c [2023-11-21 20:58:48,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/data/3baf09a33/544c27a00bac4b9084146e6659edaa46/FLAGad24a6e04 [2023-11-21 20:58:48,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/data/3baf09a33/544c27a00bac4b9084146e6659edaa46 [2023-11-21 20:58:49,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:58:49,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:58:49,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:58:49,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:58:49,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:58:49,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:58:48" (1/1) ... [2023-11-21 20:58:49,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4a84bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49, skipping insertion in model container [2023-11-21 20:58:49,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:58:48" (1/1) ... [2023-11-21 20:58:49,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:58:49,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:58:49,255 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:58:49,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:58:49,294 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:58:49,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49 WrapperNode [2023-11-21 20:58:49,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:58:49,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:58:49,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:58:49,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:58:49,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,334 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-11-21 20:58:49,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:58:49,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:58:49,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:58:49,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:58:49,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,348 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,356 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 20:58:49,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:58:49,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:58:49,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:58:49,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:58:49,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (1/1) ... [2023-11-21 20:58:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:49,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:49,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:49,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 20:58:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:58:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:58:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:58:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 20:58:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2023-11-21 20:58:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2023-11-21 20:58:49,522 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:58:49,525 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:58:49,652 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:58:49,666 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:58:49,666 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 20:58:49,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:49 BoogieIcfgContainer [2023-11-21 20:58:49,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:58:49,669 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 20:58:49,669 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 20:58:49,673 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 20:58:49,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:58:49,675 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 08:58:48" (1/3) ... [2023-11-21 20:58:49,676 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a9bded2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:58:49, skipping insertion in model container [2023-11-21 20:58:49,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:58:49,681 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:49" (2/3) ... [2023-11-21 20:58:49,683 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a9bded2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:58:49, skipping insertion in model container [2023-11-21 20:58:49,683 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:58:49,684 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:49" (3/3) ... [2023-11-21 20:58:49,686 INFO L332 chiAutomizerObserver]: Analyzing ICFG Addition02.c [2023-11-21 20:58:49,795 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 20:58:49,796 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 20:58:49,796 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 20:58:49,796 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 20:58:49,796 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 20:58:49,796 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 20:58:49,796 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 20:58:49,797 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 20:58:49,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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) [2023-11-21 20:58:49,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-21 20:58:49,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:58:49,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:58:49,838 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 20:58:49,838 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 20:58:49,838 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 20:58:49,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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) [2023-11-21 20:58:49,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-21 20:58:49,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:58:49,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:58:49,842 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 20:58:49,842 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 20:58:49,850 INFO L748 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 4#L30true assume !(main_~m~0#1 < 0 || main_~m~0#1 > 1073741823);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 10#L36true assume !(main_~n~0#1 < 0 || main_~n~0#1 > 1073741823); 18#L41true call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 6#$Ultimate##0true [2023-11-21 20:58:49,851 INFO L750 eck$LassoCheckResult]: Loop: 6#$Ultimate##0true ~m := #in~m;~n := #in~n; 7#L16true assume !(0 == ~n); 15#L19true assume ~n > 0; 16#L20true call #t~ret4 := addition(1 + ~m, ~n - 1);< 6#$Ultimate##0true [2023-11-21 20:58:49,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:49,856 INFO L85 PathProgramCache]: Analyzing trace with hash 28695877, now seen corresponding path program 1 times [2023-11-21 20:58:49,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:49,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087589466] [2023-11-21 20:58:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:49,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:58:49,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:58:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:58:50,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:58:50,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1758770, now seen corresponding path program 1 times [2023-11-21 20:58:50,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:50,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388506058] [2023-11-21 20:58:50,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:58:50,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:58:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:58:50,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:58:50,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:50,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1297641846, now seen corresponding path program 1 times [2023-11-21 20:58:50,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:50,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366186688] [2023-11-21 20:58:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:50,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:58:50,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:58:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:58:50,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:58:50,299 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:58:50,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:58:50,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:58:50,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:58:50,300 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 20:58:50,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:58:50,301 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:58:50,301 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2023-11-21 20:58:50,301 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:58:50,301 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:58:50,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,410 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:58:50,411 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 20:58:50,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:50,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:50,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 20:58:50,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:58:50,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:50,441 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:58:50,441 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:58:50,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-21 20:58:50,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:50,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:50,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 20:58:50,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:58:50,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:50,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:50,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:50,485 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:50,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 20:58:50,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:58:50,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:50,525 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:58:50,525 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=7}, {addition_#in~m=-3}, {addition_#in~m=-3}] Lambdas: [1, 0, 1] Nus: [0, 1] [2023-11-21 20:58:50,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-21 20:58:50,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:50,545 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:50,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 20:58:50,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:58:50,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:50,570 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:58:50,570 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:58:50,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-21 20:58:50,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:50,590 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:50,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:58:50,597 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:50,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 20:58:50,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:50,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:50,644 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:50,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:58:50,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:50,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 20:58:50,739 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 20:58:50,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:50,743 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:58:50,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:58:50,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:58:50,744 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:58:50,744 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:58:50,744 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,744 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:58:50,744 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:58:50,744 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2023-11-21 20:58:50,744 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:58:50,745 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:58:50,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:50,838 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:58:50,843 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:58:50,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:50,846 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:50,853 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 [2023-11-21 20:58:50,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:58:50,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:58:50,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:58:50,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:58:50,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:58:50,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:58:50,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:58:50,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 20:58:50,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:58:50,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:50,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:50,914 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:50,921 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 [2023-11-21 20:58:50,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:58:50,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:58:50,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:58:50,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:58:50,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:58:50,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:58:50,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:58:50,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 20:58:50,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:58:50,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:50,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:50,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:50,973 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:50,986 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 [2023-11-21 20:58:50,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:58:50,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:58:50,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:58:50,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:58:50,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:58:51,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:58:51,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:58:51,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 20:58:51,011 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:58:51,015 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 20:58:51,016 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 20:58:51,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:51,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:51,044 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:51,051 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:58:51,051 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 20:58:51,051 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:58:51,052 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2023-11-21 20:58:51,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 20:58:51,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:51,083 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 20:58:51,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:51,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 20:58:51,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:58:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:51,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 20:58:51,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:58:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:58:51,268 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 [2023-11-21 20:58:51,270 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:58:51,379 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 74 transitions. Complement of second has 12 states. [2023-11-21 20:58:51,381 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 [2023-11-21 20:58:51,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:58:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-21 20:58:51,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-21 20:58:51,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:58:51,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-21 20:58:51,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:58:51,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-21 20:58:51,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:58:51,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 74 transitions. [2023-11-21 20:58:51,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-21 20:58:51,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 27 states and 30 transitions. [2023-11-21 20:58:51,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-21 20:58:51,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-21 20:58:51,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2023-11-21 20:58:51,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 20:58:51,410 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 30 transitions. [2023-11-21 20:58:51,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2023-11-21 20:58:51,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2023-11-21 20:58:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:58:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2023-11-21 20:58:51,441 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-21 20:58:51,441 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-21 20:58:51,441 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 20:58:51,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2023-11-21 20:58:51,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-21 20:58:51,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:58:51,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:58:51,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:58:51,446 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 20:58:51,447 INFO L748 eck$LassoCheckResult]: Stem: 152#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 153#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 144#L30 assume !(main_~m~0#1 < 0 || main_~m~0#1 > 1073741823);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 145#L36 assume !(main_~n~0#1 < 0 || main_~n~0#1 > 1073741823); 141#L41 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 143#$Ultimate##0 ~m := #in~m;~n := #in~n; 148#L16 assume !(0 == ~n); 150#L19 assume !(~n > 0); 146#L22 [2023-11-21 20:58:51,447 INFO L750 eck$LassoCheckResult]: Loop: 146#L22 assume ~n < 0; 138#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 140#$Ultimate##0 ~m := #in~m;~n := #in~n; 155#L16 assume !(0 == ~n); 154#L19 assume !(~n > 0); 146#L22 [2023-11-21 20:58:51,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:51,453 INFO L85 PathProgramCache]: Analyzing trace with hash 180406748, now seen corresponding path program 1 times [2023-11-21 20:58:51,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:51,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270556125] [2023-11-21 20:58:51,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:51,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:58:51,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:58:51,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270556125] [2023-11-21 20:58:51,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270556125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:58:51,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:58:51,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 20:58:51,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125762333] [2023-11-21 20:58:51,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:58:51,599 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 20:58:51,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:51,600 INFO L85 PathProgramCache]: Analyzing trace with hash 67056695, now seen corresponding path program 1 times [2023-11-21 20:58:51,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:51,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25994945] [2023-11-21 20:58:51,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:51,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:58:51,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:58:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:58:51,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:58:51,732 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:58:51,732 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:58:51,733 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:58:51,733 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:58:51,733 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 20:58:51,733 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:51,733 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:58:51,733 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:58:51,733 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2023-11-21 20:58:51,734 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:58:51,734 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:58:51,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:51,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:51,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:51,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:51,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:51,816 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:58:51,817 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 20:58:51,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:51,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:51,821 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:51,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:58:51,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:51,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 20:58:51,856 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:58:51,857 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:58:51,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:51,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:51,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:51,882 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:51,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:58:51,884 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:51,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 20:58:51,906 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:58:51,906 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:58:51,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:51,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:51,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:51,930 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:51,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:58:51,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:51,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 20:58:51,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:51,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:51,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:51,998 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:52,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:58:52,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:52,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 20:58:52,174 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:58:52,174 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0, addition_~m=-6} Honda state: {addition_#in~m=0, addition_~m=-6} Generalized eigenvectors: [{addition_#in~m=-2, addition_~m=-1}, {addition_#in~m=1, addition_~m=0}, {addition_#in~m=-6, addition_~m=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2023-11-21 20:58:52,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:52,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:52,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:52,191 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:52,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 20:58:52,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:58:52,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:52,207 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:58:52,207 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:58:52,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:52,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:52,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:52,220 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:52,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 20:58:52,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:58:52,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:52,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:52,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:52,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:52,255 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:52,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 20:58:52,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:58:52,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:58:55,735 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 20:58:55,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:55,739 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:58:55,739 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:58:55,739 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:58:55,739 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:58:55,740 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:58:55,740 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:55,740 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:58:55,740 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:58:55,740 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2023-11-21 20:58:55,740 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:58:55,740 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:58:55,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:55,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:55,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:55,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:55,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:58:55,862 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:58:55,862 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:58:55,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:55,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:55,869 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:55,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:55,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 20:58:55,877 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 [2023-11-21 20:58:55,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:58:55,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:58:55,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:58:55,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:58:55,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:58:55,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:58:55,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:58:55,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:58:55,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:55,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:55,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:55,932 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:55,946 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 [2023-11-21 20:58:55,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:58:55,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:58:55,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:58:55,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:58:55,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:58:55,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:58:55,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:58:55,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 20:58:55,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:58:56,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:56,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:56,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:56,004 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:56,007 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 [2023-11-21 20:58:56,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:58:56,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:58:56,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:58:56,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:58:56,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:58:56,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 20:58:56,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:58:56,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:58:56,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:58:56,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:56,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:56,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:56,064 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:56,066 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 [2023-11-21 20:58:56,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 20:58:56,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:58:56,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:58:56,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:58:56,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:58:56,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:58:56,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:58:56,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:58:56,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:58:56,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:56,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:56,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:56,117 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:56,119 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 [2023-11-21 20:58:56,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:58:56,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:58:56,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:58:56,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:58:56,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:58:56,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 20:58:56,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:58:56,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:58:56,143 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:58:56,147 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 20:58:56,147 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 20:58:56,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:58:56,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:56,149 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:56,151 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:58:56,151 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 20:58:56,151 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:58:56,151 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2023-11-21 20:58:56,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 20:58:56,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:56,169 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 20:58:56,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:56,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 20:58:56,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:58:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:56,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 20:58:56,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:58:56,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:58:56,340 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-21 20:58:56,340 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:58:56,394 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 13 states. [2023-11-21 20:58:56,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 20:58:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:58:56,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2023-11-21 20:58:56,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. [2023-11-21 20:58:56,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:58:56,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 5 letters. [2023-11-21 20:58:56,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:58:56,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 10 letters. [2023-11-21 20:58:56,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:58:56,404 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2023-11-21 20:58:56,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-21 20:58:56,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 31 transitions. [2023-11-21 20:58:56,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-21 20:58:56,418 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-21 20:58:56,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2023-11-21 20:58:56,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 20:58:56,419 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-21 20:58:56,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2023-11-21 20:58:56,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2023-11-21 20:58:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:58:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2023-11-21 20:58:56,425 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-21 20:58:56,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:58:56,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 20:58:56,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 20:58:56,429 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:58:56,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:58:56,467 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2023-11-21 20:58:56,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2023-11-21 20:58:56,469 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 20:58:56,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2023-11-21 20:58:56,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 20:58:56,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 20:58:56,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 20:58:56,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:58:56,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:58:56,470 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:58:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 20:58:56,473 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:58:56,473 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 20:58:56,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 20:58:56,474 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 20:58:56,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 20:58:56,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 08:58:56 BoogieIcfgContainer [2023-11-21 20:58:56,486 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 20:58:56,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 20:58:56,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 20:58:56,487 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 20:58:56,487 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:49" (3/4) ... [2023-11-21 20:58:56,490 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 20:58:56,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 20:58:56,493 INFO L158 Benchmark]: Toolchain (without parser) took 7485.16ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 95.9MB in the beginning and 129.0MB in the end (delta: -33.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-21 20:58:56,494 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:58:56,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.62ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 85.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 20:58:56,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.46ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 84.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:58:56,496 INFO L158 Benchmark]: Boogie Preprocessor took 29.47ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 82.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:58:56,504 INFO L158 Benchmark]: RCFGBuilder took 302.65ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 72.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 20:58:56,505 INFO L158 Benchmark]: BuchiAutomizer took 6816.78ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 72.2MB in the beginning and 130.1MB in the end (delta: -57.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:58:56,505 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 188.7MB. Free memory was 130.1MB in the beginning and 129.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:58:56,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.62ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 85.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.46ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 84.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.47ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 82.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.65ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 72.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 6816.78ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 72.2MB in the beginning and 130.1MB in the end (delta: -57.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 188.7MB. Free memory was 130.1MB in the beginning and 129.0MB in the end (delta: 1.0MB). 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function (-1 * n) and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 30 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp83 dnf100 smp100 tf111 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 20:58:56,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 20:58:56,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b638088-d2b9-442a-8927-2cf64d76bac9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE