./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d893efacd65ca909eb9b8ab6c750c1daa6fbbdd40268b7a15c770813d19a300 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:08,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:08,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:33:08,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:08,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:08,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:08,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:08,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:08,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:08,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:08,168 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:08,168 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:33:08,169 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:33:08,170 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:33:08,170 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:33:08,171 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:33:08,172 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:33:08,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:08,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:33:08,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:08,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:08,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:33:08,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:33:08,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:33:08,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:33:08,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:08,177 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:33:08,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:08,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:08,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:08,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:08,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:08,181 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:33:08,181 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_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d893efacd65ca909eb9b8ab6c750c1daa6fbbdd40268b7a15c770813d19a300 [2023-11-12 02:33:08,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:08,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:08,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:08,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:08,467 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:08,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c [2023-11-12 02:33:12,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:12,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:12,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c [2023-11-12 02:33:12,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/data/4d4e91e40/ce22a91bc9da4e63a6ec77451524384d/FLAGd9d5cbec6 [2023-11-12 02:33:12,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/data/4d4e91e40/ce22a91bc9da4e63a6ec77451524384d [2023-11-12 02:33:12,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:12,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:12,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:12,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:12,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:12,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250aa23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12, skipping insertion in model container [2023-11-12 02:33:12,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:12,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:12,470 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:12,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:12,502 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:12,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12 WrapperNode [2023-11-12 02:33:12,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:12,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:12,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:12,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:12,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,548 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2023-11-12 02:33:12,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:12,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:12,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:12,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:12,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:12,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:12,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:12,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:12,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (1/1) ... [2023-11-12 02:33:12,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:12,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:12,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:12,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:12,723 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:12,725 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:12,830 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:12,838 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:12,839 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:33:12,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:12 BoogieIcfgContainer [2023-11-12 02:33:12,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:12,843 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:33:12,843 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:33:12,861 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:33:12,862 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:33:12,863 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:33:12" (1/3) ... [2023-11-12 02:33:12,864 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3722e6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:33:12, skipping insertion in model container [2023-11-12 02:33:12,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:33:12,865 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:12" (2/3) ... [2023-11-12 02:33:12,865 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3722e6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:33:12, skipping insertion in model container [2023-11-12 02:33:12,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:33:12,865 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:12" (3/3) ... [2023-11-12 02:33:12,867 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-easy1.c [2023-11-12 02:33:12,969 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:33:12,970 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:33:12,970 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:33:12,970 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:33:12,970 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:33:12,971 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:33:12,973 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:33:12,973 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:33:12,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-12 02:33:13,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:33:13,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:13,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:13,022 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:33:13,022 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:33:13,023 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:33:13,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-12 02:33:13,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:33:13,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:13,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:13,025 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:33:13,025 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:33:13,032 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 100;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L14-2true [2023-11-12 02:33:13,033 INFO L750 eck$LassoCheckResult]: Loop: 8#L14-2true assume !!(main_~x~0#1 < 40); 7#L14true assume !(0 == main_~z~0#1);main_~x~0#1 := 2 + main_~x~0#1; 8#L14-2true [2023-11-12 02:33:13,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:13,040 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-12 02:33:13,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:13,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308010613] [2023-11-12 02:33:13,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:13,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:13,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:13,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:13,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:13,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2023-11-12 02:33:13,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:13,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370087341] [2023-11-12 02:33:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:13,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:13,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:13,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:13,195 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-11-12 02:33:13,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:13,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701087537] [2023-11-12 02:33:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:13,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:13,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:13,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:13,306 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:33:13,307 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:33:13,307 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:33:13,307 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:33:13,307 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-12 02:33:13,307 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:13,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:33:13,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:33:13,308 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-easy1.c_Iteration1_Loop [2023-11-12 02:33:13,308 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:33:13,309 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:33:13,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:13,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:13,414 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:33:13,415 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-12 02:33:13,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:13,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:13,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:13,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:33:13,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:33:13,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:33:13,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-12 02:33:13,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:13,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:13,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:13,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:33:13,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:33:13,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:33:13,517 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-12 02:33:13,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:13,528 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:33:13,529 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:33:13,529 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:33:13,529 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:33:13,529 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:33:13,529 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:13,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:33:13,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:33:13,530 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-easy1.c_Iteration1_Loop [2023-11-12 02:33:13,530 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:33:13,530 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:33:13,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:13,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:13,589 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:33:13,595 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:33:13,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:13,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:13,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:13,614 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 [2023-11-12 02:33:13,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:33:13,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:13,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:13,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:13,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:13,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:13,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:13,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:13,645 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:33:13,652 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-12 02:33:13,652 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-12 02:33:13,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:13,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:13,694 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:13,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:33:13,704 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:33:13,705 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-12 02:33:13,705 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:33:13,706 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~x~0#1 + 40 Supporting invariants [] [2023-11-12 02:33:13,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:13,725 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-12 02:33:13,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:13,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:33:13,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:13,821 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:33:13,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:13,895 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 [2023-11-12 02:33:13,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-12 02:33:13,969 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 16 states and 21 transitions. Complement of second has 8 states. [2023-11-12 02:33:13,972 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 [2023-11-12 02:33:13,978 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) [2023-11-12 02:33:13,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-12 02:33:13,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-12 02:33:13,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:13,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-12 02:33:13,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:13,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-12 02:33:13,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:13,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2023-11-12 02:33:13,988 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:33:13,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2023-11-12 02:33:13,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:33:13,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:33:13,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:33:13,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:13,995 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:33:13,995 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:33:13,995 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:33:13,995 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:33:13,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:33:13,996 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:33:13,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:33:14,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:33:14 BoogieIcfgContainer [2023-11-12 02:33:14,006 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:33:14,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:33:14,007 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:33:14,007 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:33:14,008 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:12" (3/4) ... [2023-11-12 02:33:14,010 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:33:14,012 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:33:14,013 INFO L158 Benchmark]: Toolchain (without parser) took 1775.60ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 78.9MB in the beginning and 103.6MB in the end (delta: -24.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-12 02:33:14,014 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:14,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.20ms. Allocated memory is still 123.7MB. Free memory was 78.9MB in the beginning and 69.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:33:14,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.63ms. Allocated memory is still 123.7MB. Free memory was 69.5MB in the beginning and 68.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:14,017 INFO L158 Benchmark]: Boogie Preprocessor took 25.51ms. Allocated memory is still 123.7MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 989.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:14,018 INFO L158 Benchmark]: RCFGBuilder took 265.38ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 67.1MB in the beginning and 139.3MB in the end (delta: -72.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-11-12 02:33:14,019 INFO L158 Benchmark]: BuchiAutomizer took 1162.79ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 104.7MB in the end (delta: 34.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-12 02:33:14,020 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 169.9MB. Free memory was 104.7MB in the beginning and 103.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:14,024 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.20ms. Allocated memory is still 123.7MB. Free memory was 78.9MB in the beginning and 69.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.63ms. Allocated memory is still 123.7MB. Free memory was 69.5MB in the beginning and 68.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.51ms. Allocated memory is still 123.7MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 989.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 265.38ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 67.1MB in the beginning and 139.3MB in the end (delta: -72.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1162.79ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 104.7MB in the end (delta: 34.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 169.9MB. Free memory was 104.7MB in the beginning and 103.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 (40 + (-1 * x)) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp71 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 109ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-12 02:33:14,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:14,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c34db9-7d9d-49a1-a762-500bf5c3fd80/bin/uautomizer-verify-uTZkv6EMXl/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