./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX --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 64bit --witnessprinter.graph.data.programhash 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:23:00,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:23:00,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-08 17:23:00,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:23:00,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:23:00,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:23:00,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:23:00,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:23:00,563 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:23:00,563 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:23:00,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:23:00,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:23:00,565 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:23:00,565 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 17:23:00,566 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 17:23:00,566 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 17:23:00,567 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 17:23:00,567 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 17:23:00,567 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 17:23:00,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:23:00,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 17:23:00,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:23:00,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:23:00,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 17:23:00,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 17:23:00,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 17:23:00,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:23:00,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:23:00,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:23:00,571 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 17:23:00,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:23:00,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:23:00,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:23:00,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:23:00,573 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:23:00,574 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 17:23:00,574 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a [2024-11-08 17:23:00,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:23:00,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:23:00,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:23:00,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:23:00,902 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:23:00,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c Unable to find full path for "g++" [2024-11-08 17:23:02,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:23:03,224 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:23:03,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2024-11-08 17:23:03,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/data/cfbc47881/3efb4fca562d44e48421f44bba16bb01/FLAG0159e6166 [2024-11-08 17:23:03,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/data/cfbc47881/3efb4fca562d44e48421f44bba16bb01 [2024-11-08 17:23:03,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:23:03,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:23:03,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:23:03,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:23:03,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:23:03,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78bbe616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03, skipping insertion in model container [2024-11-08 17:23:03,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:23:03,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:23:03,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:23:03,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:23:03,823 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:23:03,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03 WrapperNode [2024-11-08 17:23:03,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:23:03,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:23:03,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:23:03,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:23:03,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,849 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-08 17:23:03,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:23:03,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:23:03,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:23:03,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:23:03,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,864 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,871 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:23:03,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:23:03,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:23:03,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:23:03,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:23:03,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (1/1) ... [2024-11-08 17:23:03,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:23:03,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:03,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:23:03,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 17:23:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:23:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:23:04,054 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:23:04,057 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:23:04,152 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 17:23:04,152 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:23:04,171 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:23:04,171 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:23:04,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:23:04 BoogieIcfgContainer [2024-11-08 17:23:04,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:23:04,172 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 17:23:04,173 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 17:23:04,177 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 17:23:04,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:23:04,178 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 05:23:03" (1/3) ... [2024-11-08 17:23:04,180 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ecabdb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:23:04, skipping insertion in model container [2024-11-08 17:23:04,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:23:04,180 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:23:03" (2/3) ... [2024-11-08 17:23:04,181 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ecabdb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:23:04, skipping insertion in model container [2024-11-08 17:23:04,181 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:23:04,181 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:23:04" (3/3) ... [2024-11-08 17:23:04,184 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2024-11-08 17:23:04,261 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 17:23:04,262 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 17:23:04,262 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 17:23:04,262 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 17:23:04,263 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 17:23:04,263 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 17:23:04,263 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 17:23:04,264 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 17:23:04,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-08 17:23:04,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-08 17:23:04,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:23:04,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:23:04,297 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 17:23:04,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:23:04,298 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 17:23:04,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-08 17:23:04,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-08 17:23:04,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:23:04,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:23:04,301 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 17:23:04,301 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:23:04,310 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1, main_~max~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~max~0#1;havoc main_#t~nondet0#1;main_~max~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2#L16true assume main_~max~0#1 > 0;main_~a~0#1 := 0;main_~x~0#1 := 1; 11#L19-3true [2024-11-08 17:23:04,310 INFO L747 eck$LassoCheckResult]: Loop: 11#L19-3true assume main_~x~0#1 < main_~max~0#1; 7#L19-1true assume !!(main_~x~0#1 < main_~max~0#1);havoc main_#t~nondet1#1; 10#L20true assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~a~0#1 := 1 + main_~a~0#1; 6#L20-2true main_~x~0#1 := 1 + main_~x~0#1; 11#L19-3true [2024-11-08 17:23:04,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:04,319 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-08 17:23:04,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:23:04,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888761836] [2024-11-08 17:23:04,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:04,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:23:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:23:04,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:23:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:23:04,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:23:04,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:04,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1205642, now seen corresponding path program 1 times [2024-11-08 17:23:04,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:23:04,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478880689] [2024-11-08 17:23:04,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:04,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:23:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:23:04,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:23:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:23:04,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:23:04,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:04,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1804968363, now seen corresponding path program 1 times [2024-11-08 17:23:04,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:23:04,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107654693] [2024-11-08 17:23:04,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:04,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:23:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:23:04,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:23:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:23:04,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:23:04,750 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:23:04,751 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:23:04,751 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:23:04,751 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:23:04,768 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:23:04,768 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:23:04,768 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:23:04,768 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:23:04,769 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2024-11-08 17:23:04,769 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:23:04,769 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:23:04,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:04,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:04,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:04,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:04,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:04,935 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:23:04,936 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:23:04,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:23:04,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:04,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:23:04,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 17:23:04,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:23:04,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:23:04,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-08 17:23:04,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:23:04,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:04,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:23:04,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 17:23:04,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:23:04,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:23:05,174 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:23:05,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-08 17:23:05,179 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:23:05,179 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:23:05,179 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:23:05,179 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:23:05,179 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:23:05,179 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:23:05,179 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:23:05,180 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:23:05,180 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2024-11-08 17:23:05,180 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:23:05,180 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:23:05,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:05,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:05,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:05,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:05,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:23:05,280 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:23:05,284 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:23:05,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:23:05,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:05,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:23:05,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 17:23:05,292 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 [2024-11-08 17:23:05,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:23:05,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:23:05,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:23:05,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:23:05,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:23:05,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:23:05,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:23:05,316 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:23:05,322 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 17:23:05,323 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 17:23:05,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:23:05,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:05,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:23:05,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 17:23:05,331 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:23:05,332 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:23:05,332 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:23:05,333 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~max~0#1) = -1*ULTIMATE.start_main_~x~0#1 + 1*ULTIMATE.start_main_~max~0#1 Supporting invariants [] [2024-11-08 17:23:05,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-08 17:23:05,363 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:23:05,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:05,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:23:05,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:05,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:23:05,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:23:05,644 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 [2024-11-08 17:23:05,648 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-08 17:23:05,717 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 23 states and 27 transitions. Complement of second has 6 states. [2024-11-08 17:23:05,720 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 [2024-11-08 17:23:05,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-08 17:23:05,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-08 17:23:05,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-08 17:23:05,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:23:05,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-08 17:23:05,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:23:05,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-08 17:23:05,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:23:05,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 27 transitions. [2024-11-08 17:23:05,739 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 17:23:05,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2024-11-08 17:23:05,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 17:23:05,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 17:23:05,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 17:23:05,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:23:05,746 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:23:05,746 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:23:05,746 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:23:05,747 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 17:23:05,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:23:05,747 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 17:23:05,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 17:23:05,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 05:23:05 BoogieIcfgContainer [2024-11-08 17:23:05,759 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 17:23:05,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:23:05,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:23:05,760 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:23:05,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:23:04" (3/4) ... [2024-11-08 17:23:05,764 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:23:05,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:23:05,767 INFO L158 Benchmark]: Toolchain (without parser) took 2194.80ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 119.7MB in the beginning and 138.0MB in the end (delta: -18.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 17:23:05,768 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 92.3MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:23:05,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.68ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 108.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:23:05,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.15ms. Allocated memory is still 153.1MB. Free memory was 108.2MB in the beginning and 106.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:23:05,770 INFO L158 Benchmark]: Boogie Preprocessor took 30.66ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 105.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:23:05,771 INFO L158 Benchmark]: RCFGBuilder took 290.27ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 97.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 17:23:05,772 INFO L158 Benchmark]: BuchiAutomizer took 1586.34ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 96.8MB in the beginning and 138.0MB in the end (delta: -41.2MB). Peak memory consumption was 3.0kB. Max. memory is 16.1GB. [2024-11-08 17:23:05,773 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 192.9MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:23:05,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 92.3MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.68ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 108.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.15ms. Allocated memory is still 153.1MB. Free memory was 108.2MB in the beginning and 106.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.66ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 105.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.27ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 97.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1586.34ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 96.8MB in the beginning and 138.0MB in the end (delta: -41.2MB). Peak memory consumption was 3.0kB. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 192.9MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (max + ((long) -1 * x)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax170 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 47ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 17:23:05,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-08 17:23:06,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041e7733-c735-44bb-b977-a1bd334ab065/bin/uautomizer-verify-jihMAELWvX/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