./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.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_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/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_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/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_48f9f80c-b198-4e38-8916-77cdc8d0347c/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 b329d37fd8bf911c1223006468d56bb06a44739627ad380de3f708faf818709f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:08:07,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:08:07,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 02:08:07,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:08:07,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:08:07,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:08:07,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:08:07,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:08:07,645 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:08:07,646 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:08:07,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:08:07,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:08:07,646 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:08:07,646 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:08:07,647 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:08:07,647 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:08:07,647 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:08:07,647 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:08:07,647 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:08:07,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:08:07,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:08:07,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:08:07,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:08:07,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:08:07,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:08:07,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:08:07,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:08:07,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:08:07,649 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:08:07,649 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:08:07,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:08:07,649 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:08:07,649 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:08:07,649 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:08:07,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:08:07,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:08:07,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:08:07,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:08:07,650 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:08:07,651 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_48f9f80c-b198-4e38-8916-77cdc8d0347c/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 -> b329d37fd8bf911c1223006468d56bb06a44739627ad380de3f708faf818709f [2024-11-28 02:08:07,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:08:07,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:08:07,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:08:07,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:08:07,960 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:08:07,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2024-11-28 02:08:11,073 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/data/053dfa6fd/42fe75aa44b0407983642a49fb84eef7/FLAG0aab13f73 [2024-11-28 02:08:11,328 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:08:11,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2024-11-28 02:08:11,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/data/053dfa6fd/42fe75aa44b0407983642a49fb84eef7/FLAG0aab13f73 [2024-11-28 02:08:11,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/data/053dfa6fd/42fe75aa44b0407983642a49fb84eef7 [2024-11-28 02:08:11,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:08:11,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:08:11,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:08:11,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:08:11,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:08:11,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0cbddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11, skipping insertion in model container [2024-11-28 02:08:11,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:08:11,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:08:11,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:08:11,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:08:11,904 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:08:11,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11 WrapperNode [2024-11-28 02:08:11,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:08:11,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:08:11,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:08:11,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:08:11,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,942 INFO L138 Inliner]: procedures = 13, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-11-28 02:08:11,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:08:11,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:08:11,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:08:11,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:08:11,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,955 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,967 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 02:08:11,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,974 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:08:11,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:08:11,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:08:11,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:08:11,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (1/1) ... [2024-11-28 02:08:11,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:12,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:12,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:12,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:08:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:08:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-28 02:08:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-28 02:08:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:08:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:08:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:08:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-28 02:08:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-28 02:08:12,123 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:08:12,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:08:12,234 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-28 02:08:12,234 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:08:12,247 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:08:12,248 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:08:12,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:08:12 BoogieIcfgContainer [2024-11-28 02:08:12,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:08:12,250 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:08:12,250 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:08:12,259 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:08:12,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:08:12,260 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:08:11" (1/3) ... [2024-11-28 02:08:12,261 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@169aa609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:08:12, skipping insertion in model container [2024-11-28 02:08:12,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:08:12,262 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:11" (2/3) ... [2024-11-28 02:08:12,262 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@169aa609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:08:12, skipping insertion in model container [2024-11-28 02:08:12,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:08:12,262 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:08:12" (3/3) ... [2024-11-28 02:08:12,263 INFO L363 chiAutomizerObserver]: Analyzing ICFG afterrec_2calls-2.c [2024-11-28 02:08:12,317 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:08:12,317 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:08:12,317 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:08:12,317 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:08:12,318 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:08:12,318 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:08:12,318 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:08:12,318 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:08:12,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:08:12,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:08:12,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:08:12,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:08:12,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 02:08:12,349 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:08:12,349 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:08:12,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:08:12,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:08:12,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:08:12,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:08:12,352 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 02:08:12,352 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:08:12,361 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;" "call f(2);"< [2024-11-28 02:08:12,362 INFO L749 eck$LassoCheckResult]: Loop: "~n#1 := #in~n#1;" "assume !(~n#1 < 3);#t~post6#1 := ~n#1;~n#1 := #t~post6#1 - 1;havoc #t~post6#1;" "call f2(~n#1);"< "~n#1 := #in~n#1;" "assume !(~n#1 < 3);#t~post7#1 := ~n#1;~n#1 := #t~post7#1 - 1;havoc #t~post7#1;" "call f(~n#1);"< [2024-11-28 02:08:12,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:12,369 INFO L85 PathProgramCache]: Analyzing trace with hash 40796, now seen corresponding path program 1 times [2024-11-28 02:08:12,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:08:12,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919068537] [2024-11-28 02:08:12,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:12,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:08:12,480 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:08:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:08:12,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:08:12,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:12,516 INFO L85 PathProgramCache]: Analyzing trace with hash 892079717, now seen corresponding path program 1 times [2024-11-28 02:08:12,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:08:12,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629139681] [2024-11-28 02:08:12,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:12,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:08:12,536 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:08:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:08:12,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:08:12,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:12,546 INFO L85 PathProgramCache]: Analyzing trace with hash 30440832, now seen corresponding path program 1 times [2024-11-28 02:08:12,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:08:12,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217337554] [2024-11-28 02:08:12,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:12,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:12,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:08:12,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217337554] [2024-11-28 02:08:12,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217337554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:08:12,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003903777] [2024-11-28 02:08:12,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:12,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:08:12,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:12,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:08:12,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:08:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:12,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:08:12,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:12,807 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:12,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003903777] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:08:12,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:08:12,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-28 02:08:12,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562277965] [2024-11-28 02:08:12,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:08:13,000 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:08:13,001 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:08:13,001 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:08:13,001 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:08:13,001 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:08:13,001 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,002 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:08:13,002 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:08:13,002 INFO L132 ssoRankerPreferences]: Filename of dumped script: afterrec_2calls-2.c_Iteration1_Loop [2024-11-28 02:08:13,002 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:08:13,002 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:08:13,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:08:13,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:08:13,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:08:13,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:08:13,078 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:08:13,079 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:08:13,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:13,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:13,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 02:08:13,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:08:13,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:08:13,111 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:08:13,111 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f2_#t~post7#1=0} Honda state: {f2_#t~post7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:08:13,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 02:08:13,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:13,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:13,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 02:08:13,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:08:13,129 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:08:13,150 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:08:13,151 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f2_#in~n#1=0} Honda state: {f2_#in~n#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:08:13,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:08:13,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:13,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:13,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 02:08:13,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:08:13,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:08:13,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 02:08:13,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:13,212 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:13,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:08:13,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:08:13,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:08:13,275 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:08:13,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 02:08:13,278 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:08:13,279 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:08:13,279 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:08:13,279 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:08:13,279 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:08:13,279 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,279 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:08:13,279 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:08:13,279 INFO L132 ssoRankerPreferences]: Filename of dumped script: afterrec_2calls-2.c_Iteration1_Loop [2024-11-28 02:08:13,279 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:08:13,279 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:08:13,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:08:13,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:08:13,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:08:13,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:08:13,332 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:08:13,336 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:08:13,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:13,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:13,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:08:13,344 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 02:08:13,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:08:13,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:08:13,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:08:13,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:08:13,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:08:13,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:08:13,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:08:13,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:08:13,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 02:08:13,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:13,386 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:13,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:08:13,390 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 02:08:13,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:08:13,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:08:13,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:08:13,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:08:13,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:08:13,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:08:13,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:08:13,414 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:08:13,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:08:13,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:13,428 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:13,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:08:13,434 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 02:08:13,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:08:13,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:08:13,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:08:13,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:08:13,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:08:13,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:08:13,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:08:13,456 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:08:13,460 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:08:13,466 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:08:13,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:08:13,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:13,473 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:13,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:08:13,475 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:08:13,475 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:08:13,478 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:08:13,478 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~n#1) = 1*f_#in~n#1 Supporting invariants [] [2024-11-28 02:08:13,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 02:08:13,492 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:08:13,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:13,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:08:13,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:13,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:08:13,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:13,751 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 02:08:13,783 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-11-28 02:08:13,785 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 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 02:08:14,088 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 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 61 states and 67 transitions. Complement of second has 30 states. [2024-11-28 02:08:14,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-28 02:08:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 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 02:08:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2024-11-28 02:08:14,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-28 02:08:14,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:08:14,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 9 letters. Loop has 6 letters. [2024-11-28 02:08:14,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:08:14,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 3 letters. Loop has 12 letters. [2024-11-28 02:08:14,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:08:14,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 67 transitions. [2024-11-28 02:08:14,112 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:08:14,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 0 states and 0 transitions. [2024-11-28 02:08:14,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:08:14,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:08:14,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:08:14,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:08:14,116 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:08:14,116 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:08:14,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:08:14,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:08:14,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:08:14,119 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 2 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 02:08:14,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:14,121 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-28 02:08:14,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-28 02:08:14,121 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:08:14,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:08:14,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:08:14,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:08:14,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:08:14,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:08:14,122 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:08:14,122 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:08:14,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:08:14,123 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:08:14,123 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:08:14,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:08:14,123 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:08:14,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:08:14,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:08:14 BoogieIcfgContainer [2024-11-28 02:08:14,132 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:08:14,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:08:14,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:08:14,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:08:14,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:08:12" (3/4) ... [2024-11-28 02:08:14,137 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:08:14,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:08:14,139 INFO L158 Benchmark]: Toolchain (without parser) took 2467.94ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 63.0MB in the end (delta: 29.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-28 02:08:14,139 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:08:14,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.93ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:08:14,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.91ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:08:14,141 INFO L158 Benchmark]: Boogie Preprocessor took 42.39ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 888.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:08:14,141 INFO L158 Benchmark]: RCFGBuilder took 262.68ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 71.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:08:14,142 INFO L158 Benchmark]: BuchiAutomizer took 1882.55ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 63.5MB in the end (delta: 7.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-28 02:08:14,142 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.0MB in the end (delta: 524.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:08:14,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.93ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.91ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.39ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 888.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.68ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 71.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1882.55ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 63.5MB in the end (delta: 7.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.0MB in the end (delta: 524.9kB). 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 10 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 7 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 02:08:14,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 02:08:14,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:08:14,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f9f80c-b198-4e38-8916-77cdc8d0347c/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