./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya --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 86d4e5d9ff4808cbd51f54a8e918c7da7f8f3d0797ade1f0adcb3da91d131026 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:39:54,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:39:54,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 03:39:54,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:39:54,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:39:54,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:39:54,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:39:54,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:39:54,475 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:39:54,475 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:39:54,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:39:54,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:39:54,477 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:39:54,478 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 03:39:54,478 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 03:39:54,479 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 03:39:54,479 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 03:39:54,480 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 03:39:54,480 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 03:39:54,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:39:54,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 03:39:54,482 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:39:54,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:39:54,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:39:54,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:39:54,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 03:39:54,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 03:39:54,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 03:39:54,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:39:54,486 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:39:54,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:39:54,486 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 03:39:54,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:39:54,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:39:54,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:39:54,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:39:54,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:39:54,488 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 03:39:54,488 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_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86d4e5d9ff4808cbd51f54a8e918c7da7f8f3d0797ade1f0adcb3da91d131026 [2023-11-29 03:39:54,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:39:54,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:39:54,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:39:54,738 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:39:54,739 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:39:54,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/loop-new/count_by_2.i [2023-11-29 03:39:57,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:39:57,750 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:39:57,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/sv-benchmarks/c/loop-new/count_by_2.i [2023-11-29 03:39:57,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/data/235bd1e54/76bdba04966d4fcc8394d5249e310b63/FLAG82767d346 [2023-11-29 03:39:57,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/data/235bd1e54/76bdba04966d4fcc8394d5249e310b63 [2023-11-29 03:39:57,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:39:57,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:39:57,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:39:57,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:39:57,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:39:57,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:39:57" (1/1) ... [2023-11-29 03:39:57,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc5fdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:57, skipping insertion in model container [2023-11-29 03:39:57,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:39:57" (1/1) ... [2023-11-29 03:39:57,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:39:57,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:39:58,004 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:39:58,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:39:58,037 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:39:58,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58 WrapperNode [2023-11-29 03:39:58,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:39:58,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:39:58,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:39:58,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:39:58,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,072 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 27 [2023-11-29 03:39:58,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:39:58,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:39:58,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:39:58,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:39:58,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,098 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]. [2023-11-29 03:39:58,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:39:58,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:39:58,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:39:58,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:39:58,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (1/1) ... [2023-11-29 03:39:58,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:39:58,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:39:58,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:39:58,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 03:39:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:39:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:39:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:39:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:39:58,235 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:39:58,237 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:39:58,312 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:39:58,320 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:39:58,321 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:39:58,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:39:58 BoogieIcfgContainer [2023-11-29 03:39:58,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:39:58,324 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 03:39:58,324 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 03:39:58,328 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 03:39:58,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:39:58,329 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 03:39:57" (1/3) ... [2023-11-29 03:39:58,329 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3af3905b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:39:58, skipping insertion in model container [2023-11-29 03:39:58,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:39:58,330 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:39:58" (2/3) ... [2023-11-29 03:39:58,330 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3af3905b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:39:58, skipping insertion in model container [2023-11-29 03:39:58,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:39:58,331 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:39:58" (3/3) ... [2023-11-29 03:39:58,332 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_by_2.i [2023-11-29 03:39:58,388 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 03:39:58,388 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 03:39:58,388 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 03:39:58,389 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 03:39:58,389 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 03:39:58,389 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 03:39:58,389 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 03:39:58,389 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 03:39:58,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2023-11-29 03:39:58,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 03:39:58,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:39:58,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:39:58,417 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 03:39:58,417 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 03:39:58,418 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 03:39:58,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2023-11-29 03:39:58,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 03:39:58,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:39:58,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:39:58,420 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 03:39:58,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 03:39:58,426 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 12#L26-3true [2023-11-29 03:39:58,427 INFO L750 eck$LassoCheckResult]: Loop: 12#L26-3true assume !!(main_~i~0#1 < 1000000); 8#L26-2true main_~i~0#1 := 2 + main_~i~0#1; 12#L26-3true [2023-11-29 03:39:58,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:39:58,431 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 03:39:58,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:39:58,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197355980] [2023-11-29 03:39:58,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:39:58,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:39:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:39:58,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:39:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:39:58,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:39:58,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:39:58,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-29 03:39:58,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:39:58,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885080052] [2023-11-29 03:39:58,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:39:58,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:39:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:39:58,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:39:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:39:58,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:39:58,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:39:58,565 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-29 03:39:58,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:39:58,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584941368] [2023-11-29 03:39:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:39:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:39:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:39:58,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:39:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:39:58,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:39:58,640 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:39:58,640 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:39:58,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:39:58,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:39:58,641 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:39:58,641 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:39:58,641 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:39:58,641 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:39:58,641 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_2.i_Iteration1_Loop [2023-11-29 03:39:58,641 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:39:58,641 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:39:58,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:39:58,691 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:39:58,692 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:39:58,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:39:58,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:39:58,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:39:58,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 03:39:58,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:39:58,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:39:58,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:39:58,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:39:58,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:39:58,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:39:58,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 03:39:58,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:39:58,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:39:58,745 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:39:58,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 03:39:58,748 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:39:58,748 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:39:58,748 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:39:58,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:39:58,749 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:39:58,749 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:39:58,749 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:39:58,749 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:39:58,749 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_2.i_Iteration1_Loop [2023-11-29 03:39:58,749 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:39:58,749 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:39:58,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:39:58,780 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:39:58,784 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:39:58,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:39:58,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:39:58,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:39:58,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 03:39:58,793 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 [2023-11-29 03:39:58,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:39:58,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:39:58,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:39:58,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:39:58,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:39:58,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:39:58,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:39:58,811 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:39:58,816 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 03:39:58,816 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 03:39:58,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:39:58,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:39:58,841 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:39:58,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 03:39:58,843 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:39:58,844 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:39:58,844 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:39:58,845 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1000000 Supporting invariants [] [2023-11-29 03:39:58,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-29 03:39:58,853 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:39:58,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 03:39:58,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:39:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:39:58,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:39:58,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:39:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:39:58,955 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:39:58,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:39:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:39:59,009 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 [2023-11-29 03:39:59,012 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-29 03:39:59,069 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 29 states and 37 transitions. Complement of second has 8 states. [2023-11-29 03:39:59,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 03:39:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-29 03:39:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2023-11-29 03:39:59,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-29 03:39:59,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:39:59,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-29 03:39:59,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:39:59,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-29 03:39:59,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:39:59,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2023-11-29 03:39:59,083 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:39:59,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2023-11-29 03:39:59,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 03:39:59,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 03:39:59,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 03:39:59,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:39:59,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:39:59,087 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:39:59,087 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:39:59,087 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 03:39:59,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:39:59,087 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:39:59,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 03:39:59,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 03:39:59 BoogieIcfgContainer [2023-11-29 03:39:59,093 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 03:39:59,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:39:59,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:39:59,094 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:39:59,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:39:58" (3/4) ... [2023-11-29 03:39:59,096 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:39:59,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:39:59,098 INFO L158 Benchmark]: Toolchain (without parser) took 1318.39ms. Allocated memory is still 134.2MB. Free memory was 103.9MB in the beginning and 95.7MB in the end (delta: 8.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-29 03:39:59,098 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:39:59,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.84ms. Allocated memory is still 134.2MB. Free memory was 103.4MB in the beginning and 93.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 03:39:59,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.22ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:39:59,100 INFO L158 Benchmark]: Boogie Preprocessor took 34.77ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:39:59,101 INFO L158 Benchmark]: RCFGBuilder took 214.24ms. Allocated memory is still 134.2MB. Free memory was 90.4MB in the beginning and 81.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 03:39:59,101 INFO L158 Benchmark]: BuchiAutomizer took 769.74ms. Allocated memory is still 134.2MB. Free memory was 81.8MB in the beginning and 95.9MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:39:59,102 INFO L158 Benchmark]: Witness Printer took 3.11ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 95.7MB in the end (delta: 229.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:39:59,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.84ms. Allocated memory is still 134.2MB. Free memory was 103.4MB in the beginning and 93.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.22ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.77ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 214.24ms. Allocated memory is still 134.2MB. Free memory was 90.4MB in the beginning and 81.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 769.74ms. Allocated memory is still 134.2MB. Free memory was 81.8MB in the beginning and 95.9MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.11ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 95.7MB in the end (delta: 229.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-1 * i) + 1000000) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 59ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 03:39:59,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ea5a26-eb0d-42fc-aa5a-ef4da8689b48/bin/uautomizer-verify-BQ2R08f2Ya/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