./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/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_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/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_c577cdd1-2402-4cc5-beab-bed736fef349/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 d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:19:58,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:19:58,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 04:19:58,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:19:58,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:19:58,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:19:58,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:19:58,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:19:58,258 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:19:58,258 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:19:58,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:19:58,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:19:58,260 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:19:58,260 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 04:19:58,261 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 04:19:58,261 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 04:19:58,262 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 04:19:58,262 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 04:19:58,263 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 04:19:58,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:19:58,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 04:19:58,265 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:19:58,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:19:58,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:19:58,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:19:58,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 04:19:58,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 04:19:58,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 04:19:58,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:19:58,268 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:19:58,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:19:58,269 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 04:19:58,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:19:58,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:19:58,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:19:58,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:19:58,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:19:58,271 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 04:19:58,271 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_c577cdd1-2402-4cc5-beab-bed736fef349/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 [2023-11-29 04:19:58,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:19:58,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:19:58,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:19:58,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:19:58,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:19:58,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2023-11-29 04:20:01,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:20:01,391 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:20:01,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2023-11-29 04:20:01,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/data/35547ff3f/4d90f4ea68a94568a0f28d473daf0f07/FLAG4af5e0810 [2023-11-29 04:20:01,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/data/35547ff3f/4d90f4ea68a94568a0f28d473daf0f07 [2023-11-29 04:20:01,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:20:01,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:20:01,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:20:01,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:20:01,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:20:01,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25407b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01, skipping insertion in model container [2023-11-29 04:20:01,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:20:01,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:20:01,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:20:01,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:20:01,644 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:20:01,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01 WrapperNode [2023-11-29 04:20:01,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:20:01,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:20:01,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:20:01,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:20:01,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,678 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-29 04:20:01,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:20:01,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:20:01,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:20:01,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:20:01,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,702 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 04:20:01,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:20:01,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:20:01,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:20:01,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:20:01,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (1/1) ... [2023-11-29 04:20:01,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:01,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:01,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:01,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 04:20:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:20:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:20:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:20:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:20:01,850 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:20:01,853 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:20:01,942 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:20:01,949 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:20:01,950 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:20:01,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:20:01 BoogieIcfgContainer [2023-11-29 04:20:01,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:20:01,952 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 04:20:01,952 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 04:20:01,956 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 04:20:01,957 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:20:01,957 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 04:20:01" (1/3) ... [2023-11-29 04:20:01,958 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@86bc29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:20:01, skipping insertion in model container [2023-11-29 04:20:01,958 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:20:01,959 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:20:01" (2/3) ... [2023-11-29 04:20:01,959 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@86bc29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:20:01, skipping insertion in model container [2023-11-29 04:20:01,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:20:01,959 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:20:01" (3/3) ... [2023-11-29 04:20:01,961 INFO L332 chiAutomizerObserver]: Analyzing ICFG cggmp2005_variant.i [2023-11-29 04:20:02,015 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 04:20:02,015 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 04:20:02,016 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 04:20:02,016 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 04:20:02,016 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 04:20:02,016 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 04:20:02,016 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 04:20:02,016 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 04:20:02,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:20:02,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-29 04:20:02,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:20:02,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:20:02,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 04:20:02,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-29 04:20:02,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 04:20:02,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:20:02,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-29 04:20:02,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:20:02,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:20:02,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 04:20:02,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-29 04:20:02,045 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~lo~0#1, main_~mid~0#1, main_~hi~0#1;havoc main_~lo~0#1;havoc main_~mid~0#1;havoc main_~hi~0#1;main_~lo~0#1 := 0;havoc main_#t~nondet1#1;main_~mid~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L28true assume !!(main_~mid~0#1 > 0 && main_~mid~0#1 <= 1000000);main_~hi~0#1 := 2 * main_~mid~0#1; 4#L30-2true [2023-11-29 04:20:02,045 INFO L750 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~mid~0#1 > 0);main_~lo~0#1 := 1 + main_~lo~0#1;main_~hi~0#1 := main_~hi~0#1 - 1;main_~mid~0#1 := main_~mid~0#1 - 1; 4#L30-2true [2023-11-29 04:20:02,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:20:02,050 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-29 04:20:02,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:20:02,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955874446] [2023-11-29 04:20:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:20:02,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:20:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:20:02,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:20:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:20:02,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:20:02,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:20:02,166 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-11-29 04:20:02,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:20:02,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306750633] [2023-11-29 04:20:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:20:02,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:20:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:20:02,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:20:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:20:02,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:20:02,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:20:02,182 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-11-29 04:20:02,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:20:02,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850822902] [2023-11-29 04:20:02,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:20:02,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:20:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:20:02,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:20:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:20:02,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:20:02,285 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:20:02,285 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:20:02,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:20:02,286 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:20:02,286 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:20:02,286 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:20:02,286 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:20:02,287 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2023-11-29 04:20:02,287 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:20:02,287 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:20:02,302 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 04:20:02,313 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 04:20:02,318 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 04:20:02,372 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:20:02,372 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:20:02,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 04:20:02,385 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:20:02,385 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:20:02,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-29 04:20:02,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 04:20:02,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:20:02,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:20:02,448 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:20:02,449 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~lo~0#1=0} Honda state: {ULTIMATE.start_main_~lo~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~lo~0#1=0}, {ULTIMATE.start_main_~lo~0#1=1}, {ULTIMATE.start_main_~lo~0#1=0}] Lambdas: [9, 1, 0] Nus: [0, 0] [2023-11-29 04:20:02,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 04:20:02,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 04:20:02,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:20:02,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:20:02,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 04:20:02,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,474 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 04:20:02,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:20:02,477 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:20:02,506 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:20:02,506 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~hi~0#1=0} Honda state: {ULTIMATE.start_main_~hi~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~hi~0#1=3}, {ULTIMATE.start_main_~hi~0#1=2}, {ULTIMATE.start_main_~hi~0#1=-6}] Lambdas: [1, 4, 1] Nus: [0, 1] [2023-11-29 04:20:02,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 04:20:02,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,511 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 04:20:02,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:20:02,514 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:20:02,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 04:20:02,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,533 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 04:20:02,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:20:02,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:20:02,558 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:20:02,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 04:20:02,562 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:20:02,562 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:20:02,562 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:20:02,562 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:20:02,563 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:20:02,563 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:20:02,563 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:20:02,563 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2023-11-29 04:20:02,563 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:20:02,563 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:20:02,565 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 04:20:02,569 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 04:20:02,574 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 04:20:02,620 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:20:02,625 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:20:02,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,627 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 04:20:02,642 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 04:20:02,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:20:02,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:20:02,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:20:02,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:20:02,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:20:02,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:20:02,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:20:02,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:20:02,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 04:20:02,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,664 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 04:20:02,666 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 04:20:02,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:20:02,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:20:02,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:20:02,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:20:02,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:20:02,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:20:02,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:20:02,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:20:02,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 04:20:02,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,686 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 04:20:02,689 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 04:20:02,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:20:02,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:20:02,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:20:02,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:20:02,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:20:02,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:20:02,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:20:02,703 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:20:02,707 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 04:20:02,707 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 04:20:02,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:20:02,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:20:02,733 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:20:02,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 04:20:02,735 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:20:02,735 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:20:02,735 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:20:02,735 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~mid~0#1) = 1*ULTIMATE.start_main_~mid~0#1 Supporting invariants [] [2023-11-29 04:20:02,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-29 04:20:02,741 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:20:02,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:20:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:20:02,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:20:02,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:20:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:20:02,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:20:02,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:20:02,792 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 04:20:02,818 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 04:20:02,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 04:20:02,856 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 31 states and 38 transitions. Complement of second has 6 states. [2023-11-29 04:20:02,859 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 [2023-11-29 04:20:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 04:20:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2023-11-29 04:20:02,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 1 letters. [2023-11-29 04:20:02,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:20:02,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 4 letters. Loop has 1 letters. [2023-11-29 04:20:02,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:20:02,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-29 04:20:02,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:20:02,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2023-11-29 04:20:02,871 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:20:02,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2023-11-29 04:20:02,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 04:20:02,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 04:20:02,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 04:20:02,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:20:02,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:20:02,876 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:20:02,876 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:20:02,876 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 04:20:02,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:20:02,876 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:20:02,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 04:20:02,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 04:20:02 BoogieIcfgContainer [2023-11-29 04:20:02,883 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 04:20:02,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:20:02,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:20:02,884 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:20:02,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:20:01" (3/4) ... [2023-11-29 04:20:02,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:20:02,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:20:02,887 INFO L158 Benchmark]: Toolchain (without parser) took 1469.88ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 89.8MB in the end (delta: 21.7MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-29 04:20:02,888 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:20:02,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.84ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 101.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:20:02,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.64ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 99.8MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:20:02,890 INFO L158 Benchmark]: Boogie Preprocessor took 33.18ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 98.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:20:02,890 INFO L158 Benchmark]: RCFGBuilder took 238.20ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 89.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:20:02,891 INFO L158 Benchmark]: BuchiAutomizer took 930.81ms. Allocated memory is still 155.2MB. Free memory was 88.9MB in the beginning and 90.5MB in the end (delta: -1.5MB). Peak memory consumption was 449.2kB. Max. memory is 16.1GB. [2023-11-29 04:20:02,891 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 155.2MB. Free memory was 90.5MB in the beginning and 89.8MB in the end (delta: 633.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:20:02,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.84ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 101.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.64ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 99.8MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.18ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 98.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 238.20ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 89.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 930.81ms. Allocated memory is still 155.2MB. Free memory was 88.9MB in the beginning and 90.5MB in the end (delta: -1.5MB). Peak memory consumption was 449.2kB. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 155.2MB. Free memory was 90.5MB in the beginning and 89.8MB in the end (delta: 633.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function mid and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 04:20:02,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 04:20:03,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577cdd1-2402-4cc5-beab-bed736fef349/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