./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gj2007b.i --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_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/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_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gj2007b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/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_8e6d03d1-ccda-4317-91fd-a929896667e2/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 a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:44:28,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:44:28,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:44:29,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:44:29,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:44:29,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:44:29,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:44:29,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:44:29,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:44:29,069 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:44:29,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:44:29,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:44:29,071 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:44:29,071 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:44:29,071 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:44:29,071 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:44:29,071 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:44:29,072 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:44:29,072 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:44:29,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:44:29,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:44:29,073 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:44:29,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:44:29,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:44:29,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:44:29,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:44:29,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:44:29,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:44:29,074 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:44:29,074 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:44:29,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:44:29,074 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:44:29,075 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:44:29,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:44:29,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:44:29,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:44:29,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:44:29,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:44:29,077 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:44:29,077 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_8e6d03d1-ccda-4317-91fd-a929896667e2/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 -> a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 [2024-11-28 04:44:29,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:44:29,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:44:29,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:44:29,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:44:29,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:44:29,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/loop-lit/gj2007b.i [2024-11-28 04:44:32,965 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/data/9eada737e/79a1558673114fa38148e553eb97c63c/FLAG04b8d72c7 [2024-11-28 04:44:33,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:44:33,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/sv-benchmarks/c/loop-lit/gj2007b.i [2024-11-28 04:44:33,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/data/9eada737e/79a1558673114fa38148e553eb97c63c/FLAG04b8d72c7 [2024-11-28 04:44:33,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/data/9eada737e/79a1558673114fa38148e553eb97c63c [2024-11-28 04:44:33,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:44:33,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:44:33,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:44:33,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:44:33,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:44:33,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313fe749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33, skipping insertion in model container [2024-11-28 04:44:33,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:44:33,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:44:33,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:44:33,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:44:33,682 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:44:33,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33 WrapperNode [2024-11-28 04:44:33,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:44:33,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:44:33,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:44:33,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:44:33,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,729 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 42 [2024-11-28 04:44:33,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:44:33,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:44:33,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:44:33,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:44:33,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,757 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 04:44:33,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,761 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:44:33,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:44:33,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:44:33,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:44:33,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (1/1) ... [2024-11-28 04:44:33,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:44:33,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:33,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:44:33,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:44:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:44:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:44:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:44:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:44:33,918 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:44:33,920 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:44:34,102 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-28 04:44:34,106 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:44:34,120 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:44:34,121 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:44:34,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:34 BoogieIcfgContainer [2024-11-28 04:44:34,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:44:34,124 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:44:34,126 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:44:34,134 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:44:34,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:44:34,135 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:44:33" (1/3) ... [2024-11-28 04:44:34,137 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6faae9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:44:34, skipping insertion in model container [2024-11-28 04:44:34,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:44:34,138 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:33" (2/3) ... [2024-11-28 04:44:34,138 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6faae9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:44:34, skipping insertion in model container [2024-11-28 04:44:34,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:44:34,140 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:34" (3/3) ... [2024-11-28 04:44:34,142 INFO L363 chiAutomizerObserver]: Analyzing ICFG gj2007b.i [2024-11-28 04:44:34,233 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:44:34,233 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:44:34,234 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:44:34,234 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:44:34,234 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:44:34,235 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:44:34,235 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:44:34,236 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:44:34,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2024-11-28 04:44:34,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:44:34,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:44:34,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:44:34,280 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:44:34,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:44:34,281 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:44:34,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2024-11-28 04:44:34,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:44:34,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:44:34,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:44:34,284 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:44:34,284 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:44:34,295 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~m~0#1, main_~n~0#1;main_~x~0#1 := 0;main_~m~0#1 := 0;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2024-11-28 04:44:34,295 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 < main_~n~0#1;" "havoc main_#t~nondet2#1;" "assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;" "main_~x~0#1 := 1 + main_~x~0#1;" [2024-11-28 04:44:34,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:34,304 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 04:44:34,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:44:34,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385954911] [2024-11-28 04:44:34,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:34,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:44:34,435 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:44:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:44:34,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:44:34,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:34,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1173927, now seen corresponding path program 1 times [2024-11-28 04:44:34,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:44:34,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303617686] [2024-11-28 04:44:34,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:34,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:44:34,486 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:44:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:44:34,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:44:34,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:34,495 INFO L85 PathProgramCache]: Analyzing trace with hash 889601129, now seen corresponding path program 1 times [2024-11-28 04:44:34,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:44:34,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772922130] [2024-11-28 04:44:34,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:34,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:44:34,513 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:44:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:44:34,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:44:34,666 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:44:34,669 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:44:34,670 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:44:34,670 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:44:34,671 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:44:34,671 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:44:34,671 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:44:34,672 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:44:34,672 INFO L132 ssoRankerPreferences]: Filename of dumped script: gj2007b.i_Iteration1_Loop [2024-11-28 04:44:34,673 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:44:34,674 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:44:34,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:44:34,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:44:34,809 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:44:34,810 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:44:34,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:44:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:34,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:44:34,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 04:44:34,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:44:34,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:44:34,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:34,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:44:34,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:34,864 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:44:34,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 04:44:34,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:44:34,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:44:34,994 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:44:35,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 04:44:35,000 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:44:35,001 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:44:35,001 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:44:35,001 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:44:35,001 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:44:35,001 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:44:35,001 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:44:35,001 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:44:35,001 INFO L132 ssoRankerPreferences]: Filename of dumped script: gj2007b.i_Iteration1_Loop [2024-11-28 04:44:35,001 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:44:35,001 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:44:35,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:44:35,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:44:35,074 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:44:35,080 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:44:35,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:44:35,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:35,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:44:35,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 04:44:35,091 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 04:44:35,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:44:35,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:44:35,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:44:35,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:44:35,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:44:35,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:44:35,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:44:35,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:44:35,139 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:44:35,145 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:44:35,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:44:35,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:35,152 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:44:35,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 04:44:35,155 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:44:35,155 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:44:35,156 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:44:35,156 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~x~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-28 04:44:35,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 04:44:35,168 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:44:35,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:35,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:44:35,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:35,259 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:44:35,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:35,335 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 04:44:35,378 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 [2024-11-28 04:44:35,382 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2024-11-28 04:44:35,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 38 states and 51 transitions. Complement of second has 6 states. [2024-11-28 04:44:35,471 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 [2024-11-28 04:44:35,477 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) [2024-11-28 04:44:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2024-11-28 04:44:35,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 04:44:35,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:44:35,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 04:44:35,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:44:35,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-28 04:44:35,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:44:35,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2024-11-28 04:44:35,524 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:44:35,526 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2024-11-28 04:44:35,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 04:44:35,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 04:44:35,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 04:44:35,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:44:35,530 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:44:35,531 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:44:35,531 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:44:35,531 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:44:35,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:44:35,531 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:44:35,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 04:44:35,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 04:44:35,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:44:35 BoogieIcfgContainer [2024-11-28 04:44:35,545 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:44:35,546 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:44:35,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:44:35,548 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:44:35,549 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:34" (3/4) ... [2024-11-28 04:44:35,551 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:44:35,552 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:44:35,554 INFO L158 Benchmark]: Toolchain (without parser) took 2192.45ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 89.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-28 04:44:35,554 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:44:35,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.94ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 83.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:44:35,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.13ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:44:35,555 INFO L158 Benchmark]: Boogie Preprocessor took 40.40ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:44:35,556 INFO L158 Benchmark]: RCFGBuilder took 350.95ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 71.2MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:44:35,556 INFO L158 Benchmark]: BuchiAutomizer took 1420.99ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 89.5MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:44:35,557 INFO L158 Benchmark]: Witness Printer took 6.68ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 89.5MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:44:35,559 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.94ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 83.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.13ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.40ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 350.95ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 71.2MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1420.99ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 89.5MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.68ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 89.5MB in the end (delta: 21.0kB). 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 (n + ((long long) -1 * x)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 75ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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 04:44:35,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6d03d1-ccda-4317-91fd-a929896667e2/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