./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB --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 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:06:50,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:06:51,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 02:06:51,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:06:51,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:06:51,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:06:51,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:06:51,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:06:51,098 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:06:51,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:06:51,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:06:51,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:06:51,099 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:06:51,100 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:06:51,100 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:06:51,100 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:06:51,102 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:06:51,102 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:06:51,102 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:06:51,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:06:51,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:06:51,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:06:51,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:06:51,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:06:51,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:06:51,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:06:51,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:06:51,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:06:51,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:06:51,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:06:51,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:06:51,104 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:06:51,104 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:06:51,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:06:51,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:06:51,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:51,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:06:51,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:06:51,105 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:06:51,106 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2024-11-28 02:06:51,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:06:51,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:06:51,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:06:51,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:06:51,478 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:06:51,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/recursive/Addition03-1.c [2024-11-28 02:06:54,555 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/data/40ea3dce7/c8944ac639cf4254a7e699063532a114/FLAG8a9fe2a5d [2024-11-28 02:06:54,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:06:54,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/sv-benchmarks/c/recursive/Addition03-1.c [2024-11-28 02:06:54,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/data/40ea3dce7/c8944ac639cf4254a7e699063532a114/FLAG8a9fe2a5d [2024-11-28 02:06:54,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/data/40ea3dce7/c8944ac639cf4254a7e699063532a114 [2024-11-28 02:06:54,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:06:54,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:06:54,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:54,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:06:54,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:06:54,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3b4b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54, skipping insertion in model container [2024-11-28 02:06:54,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:06:55,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:55,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:06:55,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:55,138 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:06:55,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55 WrapperNode [2024-11-28 02:06:55,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:55,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:55,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:06:55,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:06:55,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,175 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-28 02:06:55,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:55,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:06:55,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:06:55,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:06:55,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,200 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:06:55,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,207 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:06:55,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:06:55,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:06:55,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:06:55,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:55,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:55,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:55,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:06:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:06:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:06:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:06:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:06:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2024-11-28 02:06:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2024-11-28 02:06:55,367 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:06:55,369 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:06:55,521 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-28 02:06:55,521 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:06:55,536 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:06:55,537 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:06:55,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:55 BoogieIcfgContainer [2024-11-28 02:06:55,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:06:55,539 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:06:55,539 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:06:55,546 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:06:55,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:06:55,547 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:06:54" (1/3) ... [2024-11-28 02:06:55,549 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62535177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:06:55, skipping insertion in model container [2024-11-28 02:06:55,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:06:55,550 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (2/3) ... [2024-11-28 02:06:55,550 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62535177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:06:55, skipping insertion in model container [2024-11-28 02:06:55,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:06:55,550 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:55" (3/3) ... [2024-11-28 02:06:55,552 INFO L363 chiAutomizerObserver]: Analyzing ICFG Addition03-1.c [2024-11-28 02:06:55,618 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:06:55,618 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:06:55,618 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:06:55,618 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:06:55,619 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:06:55,619 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:06:55,619 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:06:55,619 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:06:55,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 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) [2024-11-28 02:06:55,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:06:55,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:55,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:55,656 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 02:06:55,656 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:55,656 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:06:55,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 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) [2024-11-28 02:06:55,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:06:55,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:55,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:55,662 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 02:06:55,662 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:55,671 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);"< [2024-11-28 02:06:55,671 INFO L749 eck$LassoCheckResult]: Loop: "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume ~n > 0;" "call #t~ret4 := addition(1 + ~m, ~n - 1);"< [2024-11-28 02:06:55,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,681 INFO L85 PathProgramCache]: Analyzing trace with hash 29888, now seen corresponding path program 1 times [2024-11-28 02:06:55,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:55,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643540124] [2024-11-28 02:06:55,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:55,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,796 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:55,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1450930, now seen corresponding path program 1 times [2024-11-28 02:06:55,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:55,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891734929] [2024-11-28 02:06:55,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:55,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,850 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:55,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1832919281, now seen corresponding path program 1 times [2024-11-28 02:06:55,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:55,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387949864] [2024-11-28 02:06:55,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:55,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,876 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:56,125 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:06:56,125 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:06:56,126 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:06:56,126 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:06:56,127 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:06:56,129 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,129 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:06:56,129 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:06:56,130 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2024-11-28 02:06:56,130 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:06:56,130 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:06:56,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,279 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:06:56,279 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:06:56,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 02:06:56,289 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:56,290 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:56,313 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:56,314 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:06:56,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 02:06:56,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 02:06:56,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:56,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:56,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 02:06:56,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,367 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 02:06:56,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:06:56,372 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:56,416 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:56,416 INFO L401 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=2}, {addition_#in~m=-8}] Lambdas: [1, 5, 1] Nus: [0, 1] [2024-11-28 02:06:56,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:56,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:56,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:56,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 02:06:56,450 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:56,450 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:06:56,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 02:06:56,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,462 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:06:56,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:56,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:56,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:56,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,494 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:06:56,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:06:56,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:56,558 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:06:56,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 02:06:56,563 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:06:56,563 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:06:56,564 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:06:56,564 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:06:56,564 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:06:56,564 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,564 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:06:56,564 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:06:56,564 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2024-11-28 02:06:56,564 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:06:56,564 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:06:56,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,700 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:06:56,705 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:06:56,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,709 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:06:56,743 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 [2024-11-28 02:06:56,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:56,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:56,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:56,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:56,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:56,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:56,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:56,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:56,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:56,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,796 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:06:56,802 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 [2024-11-28 02:06:56,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:56,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:56,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:56,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:56,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:56,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:56,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:56,835 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:56,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:56,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,849 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:06:56,854 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 [2024-11-28 02:06:56,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:56,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:56,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:56,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:56,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:56,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:56,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:56,880 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:06:56,886 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:06:56,892 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:06:56,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,896 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 02:06:56,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:06:56,904 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:06:56,904 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:06:56,904 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2024-11-28 02:06:56,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:56,923 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:06:56,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:06:57,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:06:57,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:57,152 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 [2024-11-28 02:06:57,155 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-28 02:06:57,300 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 50 states and 68 transitions. Complement of second has 16 states. [2024-11-28 02:06:57,302 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 [2024-11-28 02:06:57,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-28 02:06:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-28 02:06:57,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-28 02:06:57,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:57,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-28 02:06:57,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:57,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-28 02:06:57,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:57,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 68 transitions. [2024-11-28 02:06:57,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:06:57,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 25 states and 28 transitions. [2024-11-28 02:06:57,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-28 02:06:57,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-28 02:06:57,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2024-11-28 02:06:57,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:06:57,326 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-28 02:06:57,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2024-11-28 02:06:57,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2024-11-28 02:06:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2024-11-28 02:06:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-11-28 02:06:57,351 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-28 02:06:57,351 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-28 02:06:57,351 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:06:57,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2024-11-28 02:06:57,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:06:57,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:57,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:57,355 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:06:57,355 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:06:57,355 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume !(~n > 0);" [2024-11-28 02:06:57,355 INFO L749 eck$LassoCheckResult]: Loop: "assume ~n < 0;" "call #t~ret5 := addition(~m - 1, 1 + ~n);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume !(~n > 0);" [2024-11-28 02:06:57,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,357 INFO L85 PathProgramCache]: Analyzing trace with hash 890410423, now seen corresponding path program 1 times [2024-11-28 02:06:57,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:57,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800295918] [2024-11-28 02:06:57,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,373 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:57,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,384 INFO L85 PathProgramCache]: Analyzing trace with hash 57513645, now seen corresponding path program 1 times [2024-11-28 02:06:57,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:57,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133708709] [2024-11-28 02:06:57,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,391 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:57,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1572724041, now seen corresponding path program 1 times [2024-11-28 02:06:57,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:57,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626628600] [2024-11-28 02:06:57,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,413 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:57,636 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:06:57,636 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:06:57,636 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:06:57,636 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:06:57,636 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:06:57,636 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:57,636 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:06:57,636 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:06:57,636 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2024-11-28 02:06:57,636 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:06:57,636 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:06:57,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:57,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:57,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:57,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:57,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:57,743 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:06:57,743 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:06:57,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:57,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,745 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 02:06:57,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:57,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:57,769 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:57,770 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:06:57,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 02:06:57,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:57,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,783 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 02:06:57,788 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:57,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:57,806 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:57,806 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:06:57,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 02:06:57,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:57,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,819 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 02:06:57,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:57,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:57,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:57,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:57,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,862 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:06:57,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:06:57,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:58,063 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:58,064 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-3, addition_~m=0} Honda state: {addition_#in~m=-3, addition_~m=0} Generalized eigenvectors: [{addition_#in~m=4, addition_~m=1}, {addition_#in~m=-11, addition_~m=-2}, {addition_#in~m=9, addition_~m=0}] Lambdas: [3, 1, 0] Nus: [1, 1] [2024-11-28 02:06:58,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 02:06:58,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,072 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:06:58,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:58,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:58,089 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:58,089 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:06:58,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 02:06:58,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,098 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:06:58,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:58,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:58,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 02:06:58,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,139 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:06:58,142 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:06:58,142 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:58,320 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:06:58,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 02:06:58,325 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:06:58,325 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:06:58,325 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:06:58,325 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:06:58,325 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:06:58,325 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,325 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:06:58,325 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:06:58,325 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2024-11-28 02:06:58,325 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:06:58,325 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:06:58,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:58,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:58,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:58,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:58,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:58,434 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:06:58,434 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:06:58,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,436 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 02:06:58,441 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 [2024-11-28 02:06:58,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:58,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:58,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:58,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:58,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:58,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:58,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:58,461 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:58,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 02:06:58,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,473 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:06:58,479 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 [2024-11-28 02:06:58,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:58,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:58,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:58,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:58,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:58,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:58,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:58,502 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:58,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:58,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,519 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,523 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 [2024-11-28 02:06:58,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:06:58,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:58,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:58,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:58,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:58,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:58,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:58,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:58,543 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:58,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:58,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,552 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 02:06:58,555 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 [2024-11-28 02:06:58,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:58,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:58,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:58,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:58,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:58,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:58,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:58,573 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:58,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 02:06:58,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,585 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 02:06:58,590 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 [2024-11-28 02:06:58,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:58,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:58,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:58,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:58,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:58,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:58,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:58,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:06:58,615 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:06:58,615 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:06:58,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:58,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,618 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 02:06:58,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:06:58,623 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:06:58,623 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:06:58,623 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2024-11-28 02:06:58,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 02:06:58,635 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:06:58,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:58,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:06:58,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:58,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:06:58,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:58,789 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 [2024-11-28 02:06:58,789 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-28 02:06:58,827 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 30 states and 35 transitions. Complement of second has 13 states. [2024-11-28 02:06:58,827 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 [2024-11-28 02:06:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-28 02:06:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-11-28 02:06:58,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 5 letters. [2024-11-28 02:06:58,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:58,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-28 02:06:58,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:58,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 10 letters. [2024-11-28 02:06:58,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:58,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2024-11-28 02:06:58,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:06:58,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 25 states and 29 transitions. [2024-11-28 02:06:58,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-28 02:06:58,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-28 02:06:58,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2024-11-28 02:06:58,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:06:58,832 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-11-28 02:06:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2024-11-28 02:06:58,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-11-28 02:06:58,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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) [2024-11-28 02:06:58,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-11-28 02:06:58,836 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-11-28 02:06:58,836 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-11-28 02:06:58,836 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 02:06:58,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2024-11-28 02:06:58,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:06:58,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:58,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:58,837 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:58,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:58,837 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume !(~n > 0);" "assume ~n < 0;" "call #t~ret5 := addition(~m - 1, 1 + ~n);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume ~n > 0;" [2024-11-28 02:06:58,837 INFO L749 eck$LassoCheckResult]: Loop: "call #t~ret4 := addition(1 + ~m, ~n - 1);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume ~n > 0;" [2024-11-28 02:06:58,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:58,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1572724044, now seen corresponding path program 1 times [2024-11-28 02:06:58,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:58,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737197617] [2024-11-28 02:06:58,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:58,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:58,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 02:06:58,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 02:06:59,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:06:59,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737197617] [2024-11-28 02:06:59,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737197617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:06:59,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921157535] [2024-11-28 02:06:59,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:59,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,013 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 02:06:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:59,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:06:59,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:59,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:06:59,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921157535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:06:59,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:06:59,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-28 02:06:59,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35293460] [2024-11-28 02:06:59,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:06:59,092 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 02:06:59,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:59,092 INFO L85 PathProgramCache]: Analyzing trace with hash 2042800, now seen corresponding path program 2 times [2024-11-28 02:06:59,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:59,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141061038] [2024-11-28 02:06:59,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:59,097 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:59,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:59,213 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:06:59,213 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:06:59,213 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:06:59,213 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:06:59,213 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:06:59,213 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,213 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:06:59,213 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:06:59,213 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2024-11-28 02:06:59,213 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:06:59,213 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:06:59,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,300 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:06:59,300 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:06:59,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,302 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 02:06:59,307 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:59,307 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:59,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:59,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,344 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:06:59,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:59,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 02:06:59,496 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:59,496 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-1, addition_~m=0} Honda state: {addition_#in~m=-1, addition_~m=0} Generalized eigenvectors: [{addition_#in~m=2, addition_~m=1}, {addition_#in~m=-1, addition_~m=0}, {addition_#in~m=1, addition_~m=0}] Lambdas: [1, 1, 0] Nus: [1, 1] [2024-11-28 02:06:59,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:59,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,502 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 02:06:59,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:59,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:59,516 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:59,516 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:06:59,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 02:06:59,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,525 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 02:06:59,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:59,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:59,540 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:59,540 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:06:59,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 02:06:59,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,548 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 02:06:59,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:59,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:59,563 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:06:59,563 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:06:59,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:59,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,571 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 02:06:59,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:59,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:59,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:59,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,609 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 02:06:59,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:06:59,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:59,783 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:06:59,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:59,787 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:06:59,787 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:06:59,787 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:06:59,787 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:06:59,787 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:06:59,787 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,787 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:06:59,787 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:06:59,787 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2024-11-28 02:06:59,787 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:06:59,787 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:06:59,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:59,868 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:06:59,868 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:06:59,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,874 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 02:06:59,877 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 [2024-11-28 02:06:59,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:59,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:59,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:59,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:59,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:59,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:59,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:59,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:59,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-28 02:06:59,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,909 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 02:06:59,911 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 [2024-11-28 02:06:59,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:59,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:59,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:59,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:59,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:59,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:59,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:59,927 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:59,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 02:06:59,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,938 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 02:06:59,942 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 [2024-11-28 02:06:59,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:59,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:59,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:59,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:59,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:59,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:59,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:59,961 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:59,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:59,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:59,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,973 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 02:06:59,977 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 [2024-11-28 02:06:59,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:59,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:59,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:59,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:59,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:59,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:59,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:59,997 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:07:00,002 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:07:00,002 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:07:00,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:00,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:00,004 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:00,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 02:07:00,008 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:07:00,008 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:07:00,008 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:07:00,008 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2024-11-28 02:07:00,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:00,018 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:07:00,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:00,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:07:00,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:00,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:07:00,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:00,127 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 [2024-11-28 02:07:00,128 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:00,180 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 63 transitions. Complement of second has 9 states. [2024-11-28 02:07:00,182 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 [2024-11-28 02:07:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-11-28 02:07:00,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-28 02:07:00,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:00,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2024-11-28 02:07:00,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:00,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 8 letters. [2024-11-28 02:07:00,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:00,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 63 transitions. [2024-11-28 02:07:00,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:07:00,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 47 states and 55 transitions. [2024-11-28 02:07:00,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-11-28 02:07:00,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-11-28 02:07:00,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 55 transitions. [2024-11-28 02:07:00,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:07:00,192 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-11-28 02:07:00,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 55 transitions. [2024-11-28 02:07:00,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2024-11-28 02:07:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 32 states have internal predecessors, (37), 8 states have call successors, (11), 8 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-28 02:07:00,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-28 02:07:00,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:07:00,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:00,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:00,199 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-28 02:07:00,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:00,244 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2024-11-28 02:07:00,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 31 transitions. [2024-11-28 02:07:00,245 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:07:00,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2024-11-28 02:07:00,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:07:00,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:07:00,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:07:00,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:07:00,245 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:07:00,245 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:07:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:07:00,247 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:07:00,247 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 02:07:00,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:07:00,247 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:07:00,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:07:00,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:07:00 BoogieIcfgContainer [2024-11-28 02:07:00,256 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:07:00,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:07:00,257 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:07:00,257 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:07:00,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:55" (3/4) ... [2024-11-28 02:07:00,260 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:07:00,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:07:00,265 INFO L158 Benchmark]: Toolchain (without parser) took 5372.23ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 44.5MB in the end (delta: 48.6MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-28 02:07:00,266 INFO L158 Benchmark]: CDTParser took 1.09ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:00,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.11ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:00,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.43ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.4MB in the end (delta: 955.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:00,268 INFO L158 Benchmark]: Boogie Preprocessor took 41.80ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:00,268 INFO L158 Benchmark]: RCFGBuilder took 317.98ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 71.0MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:07:00,268 INFO L158 Benchmark]: BuchiAutomizer took 4717.29ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 44.5MB in the end (delta: 26.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-28 02:07:00,268 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:00,270 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.11ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.43ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.4MB in the end (delta: 955.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.80ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.98ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 71.0MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4717.29ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 44.5MB in the end (delta: 26.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 21.1kB). 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. One deterministic module has affine ranking function ((__int128) -1 * n) and consists of 5 locations. One deterministic module has affine ranking function n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 3.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 37 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf92 smp89 dnf100 smp100 tf110 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 75ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 02:07:00,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-28 02:07:00,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-28 02:07:00,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893eb519-ec7c-42ce-bb0f-7d4997b384dd/bin/uautomizer-verify-aQ6SnzHsRB/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