./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/css2003.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/css2003.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd --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 3cc40df30b48f0dde21200c49a8e3c2dcaea3151eb010f51f5a34e59bc04994b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:53:01,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:53:01,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 14:53:01,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:53:01,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:53:01,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:53:01,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:53:01,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:53:01,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:53:01,614 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:53:01,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:53:01,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:53:01,615 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:53:01,615 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:53:01,615 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:53:01,615 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:53:01,615 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:53:01,615 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:53:01,615 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:53:01,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:53:01,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:53:01,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:53:01,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:53:01,618 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:53:01,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:53:01,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:53:01,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:53:01,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:53:01,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:53:01,619 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:53:01,619 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_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd 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 -> 3cc40df30b48f0dde21200c49a8e3c2dcaea3151eb010f51f5a34e59bc04994b [2024-11-13 14:53:01,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:53:01,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:53:01,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:53:01,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:53:01,964 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:53:01,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-lit/css2003.i Unable to find full path for "g++" [2024-11-13 14:53:03,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:53:04,238 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:53:04,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/sv-benchmarks/c/loop-lit/css2003.i [2024-11-13 14:53:04,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/data/ae661b339/f86c31fa20164843a22b4bca04753925/FLAGbb644255d [2024-11-13 14:53:04,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/data/ae661b339/f86c31fa20164843a22b4bca04753925 [2024-11-13 14:53:04,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:53:04,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:53:04,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:53:04,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:53:04,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:53:04,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9f7cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04, skipping insertion in model container [2024-11-13 14:53:04,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:53:04,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:53:04,844 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:53:04,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:53:04,876 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:53:04,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04 WrapperNode [2024-11-13 14:53:04,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:53:04,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:53:04,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:53:04,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:53:04,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,913 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-11-13 14:53:04,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:53:04,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:53:04,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:53:04,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:53:04,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,943 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]. [2024-11-13 14:53:04,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:53:04,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:53:04,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:53:04,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:53:04,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (1/1) ... [2024-11-13 14:53:04,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:53:04,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:53:05,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:53:05,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:53:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:53:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:53:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:53:05,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:53:05,147 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:53:05,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:53:05,319 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 14:53:05,319 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:53:05,337 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:53:05,337 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:53:05,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:53:05 BoogieIcfgContainer [2024-11-13 14:53:05,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:53:05,340 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:53:05,340 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:53:05,348 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:53:05,349 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:53:05,349 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:53:04" (1/3) ... [2024-11-13 14:53:05,351 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2aabbd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:53:05, skipping insertion in model container [2024-11-13 14:53:05,352 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:53:05,352 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:53:04" (2/3) ... [2024-11-13 14:53:05,352 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2aabbd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:53:05, skipping insertion in model container [2024-11-13 14:53:05,353 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:53:05,353 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:53:05" (3/3) ... [2024-11-13 14:53:05,355 INFO L333 chiAutomizerObserver]: Analyzing ICFG css2003.i [2024-11-13 14:53:05,449 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:53:05,449 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:53:05,449 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:53:05,449 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:53:05,450 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:53:05,450 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:53:05,450 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:53:05,450 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:53:05,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:53:05,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-13 14:53:05,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:53:05,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:53:05,490 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 14:53:05,490 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 14:53:05,490 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:53:05,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:53:05,492 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-13 14:53:05,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:53:05,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:53:05,493 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 14:53:05,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 14:53:05,507 INFO L745 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 1;main_~j~0#1 := 1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L29true assume !!(0 <= main_~k~0#1 && main_~k~0#1 <= 1); 4#L30-2true [2024-11-13 14:53:05,507 INFO L747 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~i~0#1 < 1000000);main_~i~0#1 := 1 + main_~i~0#1;main_~j~0#1 := main_~j~0#1 + main_~k~0#1;main_~k~0#1 := main_~k~0#1 - 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if (1 <= main_~i~0#1 + main_~k~0#1 && main_~i~0#1 + main_~k~0#1 <= 2) && main_~i~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7#L18true assume !(0 == __VERIFIER_assert_~cond#1); 9#L18-2true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 4#L30-2true [2024-11-13 14:53:05,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:53:05,517 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-13 14:53:05,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:53:05,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843344549] [2024-11-13 14:53:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:53:05,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:53:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:53:05,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:53:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:53:05,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:53:05,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:53:05,650 INFO L85 PathProgramCache]: Analyzing trace with hash 45137, now seen corresponding path program 1 times [2024-11-13 14:53:05,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:53:05,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717553552] [2024-11-13 14:53:05,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:53:05,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:53:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:53:05,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:53:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:53:05,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:53:05,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:53:05,689 INFO L85 PathProgramCache]: Analyzing trace with hash 889574606, now seen corresponding path program 1 times [2024-11-13 14:53:05,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:53:05,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924447730] [2024-11-13 14:53:05,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:53:05,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:53:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:53:05,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:53:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:53:05,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:53:05,945 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:53:05,946 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:53:05,946 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:53:05,946 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:53:05,947 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:53:05,947 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:53:05,947 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:53:05,947 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:53:05,947 INFO L132 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2024-11-13 14:53:05,948 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:53:05,948 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:53:05,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:53:05,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:53:06,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:53:06,155 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:53:06,156 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:53:06,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:53:06,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:53:06,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:53:06,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 14:53:06,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:53:06,163 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:53:06,186 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:53:06,186 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:53:06,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 14:53:06,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:53:06,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:53:06,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:53:06,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 14:53:06,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:53:06,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:53:06,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 14:53:06,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:53:06,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:53:06,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:53:06,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 14:53:06,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:53:06,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:53:06,320 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:53:06,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 14:53:06,327 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:53:06,327 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:53:06,327 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:53:06,327 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:53:06,327 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:53:06,327 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:53:06,327 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:53:06,327 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:53:06,327 INFO L132 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2024-11-13 14:53:06,327 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:53:06,327 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:53:06,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:53:06,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:53:06,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:53:06,468 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:53:06,474 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:53:06,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:53:06,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:53:06,479 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:53:06,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 14:53:06,497 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 [2024-11-13 14:53:06,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:53:06,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:53:06,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:53:06,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:53:06,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:53:06,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:53:06,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:53:06,534 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:53:06,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 14:53:06,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:53:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:53:06,560 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:53:06,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 14:53:06,565 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 [2024-11-13 14:53:06,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:53:06,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:53:06,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:53:06,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:53:06,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:53:06,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:53:06,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:53:06,596 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:53:06,603 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 14:53:06,608 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 14:53:06,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:53:06,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:53:06,619 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:53:06,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 14:53:06,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:53:06,622 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 14:53:06,622 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:53:06,623 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1999999 Supporting invariants [] [2024-11-13 14:53:06,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 14:53:06,649 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 14:53:06,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:53:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:06,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:53:06,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:53:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:06,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:53:06,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:53:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:53:06,834 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 14:53:06,836 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:53:06,888 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 39 transitions. Complement of second has 6 states. [2024-11-13 14:53:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:53:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:53:06,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2024-11-13 14:53:06,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-13 14:53:06,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:53:06,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-13 14:53:06,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:53:06,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-13 14:53:06,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:53:06,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2024-11-13 14:53:06,911 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:53:06,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2024-11-13 14:53:06,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 14:53:06,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 14:53:06,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 14:53:06,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:53:06,916 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:53:06,916 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:53:06,916 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:53:06,916 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 14:53:06,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:53:06,916 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:53:06,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 14:53:06,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:53:06 BoogieIcfgContainer [2024-11-13 14:53:06,926 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:53:06,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:53:06,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:53:06,927 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:53:06,928 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:53:05" (3/4) ... [2024-11-13 14:53:06,930 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:53:06,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:53:06,932 INFO L158 Benchmark]: Toolchain (without parser) took 2355.98ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 79.1MB in the end (delta: 14.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-13 14:53:06,933 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.1MB in the end (delta: 101.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:53:06,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.14ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:53:06,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.15ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:53:06,934 INFO L158 Benchmark]: Boogie Preprocessor took 45.83ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:53:06,935 INFO L158 Benchmark]: RCFGBuilder took 376.29ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 71.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:53:06,935 INFO L158 Benchmark]: BuchiAutomizer took 1586.38ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 79.6MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:53:06,936 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.1MB in the end (delta: 534.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:53:06,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.1MB in the end (delta: 101.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.14ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.15ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.83ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.29ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 71.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1586.38ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 79.6MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.1MB in the end (delta: 534.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i) + 1999999) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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! [2024-11-13 14:53:06,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 14:53:07,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76416d74-bc71-4dc7-bebd-2bf21d69ed2d/bin/uautomizer-verify-qhAvR1uOyd/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