./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-01-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/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_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-01-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/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_2147f48f-f414-46dc-9743-a6e3942a59a7/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 fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:22:39,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:22:39,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:22:39,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:22:39,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:22:39,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:22:39,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:22:39,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:22:39,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:22:39,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:22:39,205 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:22:39,206 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:22:39,207 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:22:39,208 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:22:39,209 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:22:39,209 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:22:39,210 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:22:39,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:22:39,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:22:39,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:22:39,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:22:39,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:22:39,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:22:39,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:22:39,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:22:39,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:22:39,214 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:22:39,215 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:22:39,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:22:39,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:22:39,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:22:39,217 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:22:39,218 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:22:39,218 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_2147f48f-f414-46dc-9743-a6e3942a59a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac [2023-11-12 02:22:39,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:22:39,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:22:39,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:22:39,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:22:39,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:22:39,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-bwb/and-01-false.c [2023-11-12 02:22:42,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:22:42,911 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:22:42,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/sv-benchmarks/c/termination-bwb/and-01-false.c [2023-11-12 02:22:42,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/data/764ba6a5e/46dd63afc09d4c5091a57f218629a894/FLAG9f6d5cf64 [2023-11-12 02:22:42,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/data/764ba6a5e/46dd63afc09d4c5091a57f218629a894 [2023-11-12 02:22:42,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:22:42,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:22:42,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:42,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:22:42,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:22:42,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:42" (1/1) ... [2023-11-12 02:22:42,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719850d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:42, skipping insertion in model container [2023-11-12 02:22:42,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:42" (1/1) ... [2023-11-12 02:22:42,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:22:43,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:43,191 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:22:43,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:43,217 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:22:43,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43 WrapperNode [2023-11-12 02:22:43,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:43,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:43,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:22:43,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:22:43,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,248 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-11-12 02:22:43,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:43,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:22:43,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:22:43,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:22:43,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:22:43,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:22:43,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:22:43,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:22:43,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (1/1) ... [2023-11-12 02:22:43,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:43,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:43,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:43,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:22:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:22:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:22:43,419 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:22:43,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:22:43,579 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:22:43,590 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:22:43,590 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:22:43,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:43 BoogieIcfgContainer [2023-11-12 02:22:43,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:22:43,596 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:22:43,596 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:22:43,600 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:22:43,601 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:22:43,601 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:22:42" (1/3) ... [2023-11-12 02:22:43,602 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75070259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:22:43, skipping insertion in model container [2023-11-12 02:22:43,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:22:43,602 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:43" (2/3) ... [2023-11-12 02:22:43,603 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75070259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:22:43, skipping insertion in model container [2023-11-12 02:22:43,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:22:43,603 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:43" (3/3) ... [2023-11-12 02:22:43,609 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-01-false.c [2023-11-12 02:22:43,677 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:22:43,677 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:22:43,677 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:22:43,677 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:22:43,678 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:22:43,678 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:22:43,679 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:22:43,680 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:22:43,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 02:22:43,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:22:43,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:22:43,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:22:43,713 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:22:43,713 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:22:43,714 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:22:43,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 02:22:43,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:22:43,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:22:43,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:22:43,718 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:22:43,718 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:22:43,727 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~nondet2#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := 34; 9#L16-2true [2023-11-12 02:22:43,729 INFO L750 eck$LassoCheckResult]: Loop: 9#L16-2true assume !!(0 == main_~x~0#1);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := main_#t~post1#1 - 1;havoc main_#t~post1#1; 3#L18true assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~nondet2#1 := 0; 6#L18-4true main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9#L16-2true [2023-11-12 02:22:43,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:43,738 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-12 02:22:43,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:43,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773813677] [2023-11-12 02:22:43,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:43,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:43,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:43,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:43,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:43,859 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2023-11-12 02:22:43,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:43,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273742048] [2023-11-12 02:22:43,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:43,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:43,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:43,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:43,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:43,882 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2023-11-12 02:22:43,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:43,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943031162] [2023-11-12 02:22:43,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:43,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:43,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:43,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:44,006 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:22:44,007 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:22:44,007 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:22:44,007 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:22:44,007 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-12 02:22:44,008 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,008 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:22:44,008 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:22:44,008 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Loop [2023-11-12 02:22:44,009 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:22:44,009 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:22:44,027 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 02:22:44,041 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 02:22:44,045 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 02:22:44,048 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 02:22:44,105 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:22:44,106 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-12 02:22:44,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:22:44,128 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,128 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-12 02:22:44,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:22:44,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:22:44,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,221 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,221 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-6}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=6}] Lambdas: [1, 7, 1] Nus: [0, 1] [2023-11-12 02:22:44,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:22:44,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,238 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,261 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,261 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:44,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,271 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:22:44,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,317 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:44,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,322 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:22:44,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,343 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,343 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:44,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,366 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:22:44,366 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:22:44,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:22:44,366 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:22:44,367 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-12 02:22:44,367 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,367 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:22:44,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:22:44,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Lasso [2023-11-12 02:22:44,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:22:44,368 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:22:44,370 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 02:22:44,383 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 02:22:44,389 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 02:22:44,395 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 02:22:44,398 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 02:22:44,401 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 02:22:44,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:22:44,456 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-12 02:22:44,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,458 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:22:44,499 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,499 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:44,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,511 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:22:44,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,524 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,538 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,538 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:44,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,549 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:22:44,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,571 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:22:44,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:22:44,576 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,606 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,606 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=34} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-6}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=6}] Lambdas: [1, 7, 1] Nus: [0, 1] [2023-11-12 02:22:44,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,614 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:22:44,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,634 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,634 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:44,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,638 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:22:44,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,658 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,658 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:44,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:44,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:44,667 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:44,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:22:44,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:44,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:44,682 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:44,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:44,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:44,701 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 02:22:44,701 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-12 02:22:44,702 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-12 02:22:44,702 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 02:22:44,702 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-12 02:22:44,703 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-12 02:22:44,703 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 02:22:44,703 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-12 02:22:44,703 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-12 02:22:44,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:22:44 BoogieIcfgContainer [2023-11-12 02:22:44,722 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:22:44,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:22:44,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:22:44,723 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:22:44,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:43" (3/4) ... [2023-11-12 02:22:44,726 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:22:44,768 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:22:44,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:22:44,770 INFO L158 Benchmark]: Toolchain (without parser) took 1822.18ms. Allocated memory is still 165.7MB. Free memory was 125.7MB in the beginning and 70.9MB in the end (delta: 54.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-12 02:22:44,771 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:22:44,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.74ms. Allocated memory is still 165.7MB. Free memory was 125.7MB in the beginning and 130.4MB in the end (delta: -4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:22:44,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.88ms. Allocated memory is still 165.7MB. Free memory was 130.4MB in the beginning and 129.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:22:44,775 INFO L158 Benchmark]: Boogie Preprocessor took 26.00ms. Allocated memory is still 165.7MB. Free memory was 129.0MB in the beginning and 128.3MB in the end (delta: 723.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:22:44,775 INFO L158 Benchmark]: RCFGBuilder took 318.27ms. Allocated memory is still 165.7MB. Free memory was 128.3MB in the beginning and 119.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:22:44,783 INFO L158 Benchmark]: BuchiAutomizer took 1126.69ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 72.8MB in the end (delta: 46.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-12 02:22:44,784 INFO L158 Benchmark]: Witness Printer took 45.95ms. Allocated memory is still 165.7MB. Free memory was 72.8MB in the beginning and 70.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:22:44,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.74ms. Allocated memory is still 165.7MB. Free memory was 125.7MB in the beginning and 130.4MB in the end (delta: -4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.88ms. Allocated memory is still 165.7MB. Free memory was 130.4MB in the beginning and 129.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.00ms. Allocated memory is still 165.7MB. Free memory was 129.0MB in the beginning and 128.3MB in the end (delta: 723.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.27ms. Allocated memory is still 165.7MB. Free memory was 128.3MB in the beginning and 119.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1126.69ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 72.8MB in the end (delta: 46.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 45.95ms. Allocated memory is still 165.7MB. Free memory was 72.8MB in the beginning and 70.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq212 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 16]: Nontermination argument in form of an infinite program execution. [2023-11-12 02:22:44,801 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 02:22:44,802 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-12 02:22:44,802 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-12 02:22:44,802 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 02:22:44,802 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-12 02:22:44,803 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-12 02:22:44,803 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 02:22:44,803 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-12 02:22:44,803 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-12 02:22:44,804 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 02:22:44,804 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-12 02:22:44,804 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-12 02:22:44,805 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 02:22:44,805 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-12 02:22:44,805 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-12 02:22:44,805 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-12 02:22:44,806 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-12 02:22:44,806 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated Nontermination argument in form of an infinite execution State at position 0 is {x=0, NULL=0, a=0, NULL=0, \result=0, NULL=0} State at position 1 is {x=0, NULL=0, a=34, NULL=0, \result=0, NULL=0} For i>1, the state at position i is {x=0 + sum_{k=0}^i 0, NULL=0 + sum_{k=0}^i 0, a=34 + sum_{k=0}^i -6 + -1*7^k + 6 + 6*k*7^(k-1), NULL=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, NULL=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 7, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 16]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int a, x; [L14] x = __VERIFIER_nondet_int() [L15] a = 34 Loop: [L16] COND TRUE x==0 [L17] a-- [L18] EXPR x&a [L18] x=x&a End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:22:44,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2147f48f-f414-46dc-9743-a6e3942a59a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)