./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-01-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:27:00,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:27:00,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 05:27:00,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:27:00,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:27:00,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:27:00,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:27:00,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:27:00,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:27:00,163 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:27:00,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:27:00,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:27:00,165 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:27:00,165 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 05:27:00,166 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 05:27:00,166 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 05:27:00,167 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 05:27:00,167 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 05:27:00,168 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 05:27:00,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:27:00,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 05:27:00,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:27:00,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:27:00,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 05:27:00,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 05:27:00,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 05:27:00,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:27:00,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:27:00,172 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 05:27:00,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:27:00,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:27:00,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:27:00,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:27:00,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:27:00,175 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 05:27:00,175 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_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac [2023-11-29 05:27:00,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:27:00,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:27:00,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:27:00,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:27:00,394 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:27:00,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-bwb/and-01-false.c [2023-11-29 05:27:03,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:27:03,322 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:27:03,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/sv-benchmarks/c/termination-bwb/and-01-false.c [2023-11-29 05:27:03,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/data/c1328a1a3/d1eda19011514a868e262a45c1f17b17/FLAGd041da36b [2023-11-29 05:27:03,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/data/c1328a1a3/d1eda19011514a868e262a45c1f17b17 [2023-11-29 05:27:03,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:27:03,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:27:03,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:27:03,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:27:03,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:27:03,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca54fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03, skipping insertion in model container [2023-11-29 05:27:03,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,367 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:27:03,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:27:03,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:27:03,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:27:03,508 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:27:03,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03 WrapperNode [2023-11-29 05:27:03,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:27:03,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:27:03,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:27:03,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:27:03,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,534 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-11-29 05:27:03,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:27:03,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:27:03,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:27:03,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:27:03,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,549 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 05:27:03,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:27:03,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:27:03,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:27:03,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:27:03,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (1/1) ... [2023-11-29 05:27:03,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:03,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:03,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 05:27:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:27:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:27:03,676 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:27:03,678 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:27:03,759 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:27:03,769 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:27:03,769 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:27:03,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:27:03 BoogieIcfgContainer [2023-11-29 05:27:03,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:27:03,773 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 05:27:03,773 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 05:27:03,777 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 05:27:03,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:27:03,778 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 05:27:03" (1/3) ... [2023-11-29 05:27:03,779 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f1c961d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:27:03, skipping insertion in model container [2023-11-29 05:27:03,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:27:03,779 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:03" (2/3) ... [2023-11-29 05:27:03,780 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f1c961d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:27:03, skipping insertion in model container [2023-11-29 05:27:03,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:27:03,780 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:27:03" (3/3) ... [2023-11-29 05:27:03,782 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-01-false.c [2023-11-29 05:27:03,833 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 05:27:03,833 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 05:27:03,833 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 05:27:03,833 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 05:27:03,834 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 05:27:03,834 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 05:27:03,834 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 05:27:03,834 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 05:27:03,838 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) [2023-11-29 05:27:03,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 05:27:03,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:03,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:03,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 05:27:03,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:03,858 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 05:27:03,858 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) [2023-11-29 05:27:03,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 05:27:03,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:03,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:03,860 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 05:27:03,860 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:03,867 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~nondet2#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := 34; 9#L16-2true [2023-11-29 05:27:03,867 INFO L750 eck$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 [2023-11-29 05:27:03,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:03,873 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 05:27:03,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:03,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146064660] [2023-11-29 05:27:03,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:03,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:03,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:03,967 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2023-11-29 05:27:03,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:03,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465695217] [2023-11-29 05:27:03,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:03,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:03,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:03,991 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2023-11-29 05:27:03,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:03,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568850544] [2023-11-29 05:27:03,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:03,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:04,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:04,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:04,109 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:27:04,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:27:04,110 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:27:04,110 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:27:04,110 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 05:27:04,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:27:04,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:27:04,111 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Loop [2023-11-29 05:27:04,111 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:27:04,111 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:27:04,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,203 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:27:04,204 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 05:27:04,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 05:27:04,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:04,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 05:27:04,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 05:27:04,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,285 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,286 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] [2023-11-29 05:27:04,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 05:27:04,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 05:27:04,294 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,310 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,310 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: [] [2023-11-29 05:27:04,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 05:27:04,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,316 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 05:27:04,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,334 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,334 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: [] [2023-11-29 05:27:04,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 05:27:04,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,341 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 05:27:04,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,361 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,362 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: [] [2023-11-29 05:27:04,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 05:27:04,373 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:27:04,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:27:04,374 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:27:04,374 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:27:04,374 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 05:27:04,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:27:04,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:27:04,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Lasso [2023-11-29 05:27:04,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:27:04,375 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:27:04,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,454 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:27:04,454 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 05:27:04,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,457 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 05:27:04,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,477 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,477 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: [] [2023-11-29 05:27:04,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:04,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,482 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 05:27:04,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,500 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,500 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: [] [2023-11-29 05:27:04,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 05:27:04,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,506 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 05:27:04,509 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,509 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 05:27:04,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,527 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 05:27:04,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 05:27:04,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,562 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,563 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] [2023-11-29 05:27:04,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 05:27:04,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,567 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 05:27:04,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,582 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,582 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: [] [2023-11-29 05:27:04,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 05:27:04,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,587 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 05:27:04,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,590 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,604 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: [] [2023-11-29 05:27:04,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 05:27:04,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,608 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 05:27:04,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:27:04,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:27:04,638 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:27:04,638 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: [] [2023-11-29 05:27:04,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 05:27:04,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-29 05:27:04,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-29 05:27:04,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-29 05:27:04,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-29 05:27:04,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-29 05:27:04,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-29 05:27:04,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-29 05:27:04,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-29 05:27:04,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-29 05:27:04,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 05:27:04 BoogieIcfgContainer [2023-11-29 05:27:04,664 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 05:27:04,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:27:04,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:27:04,665 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:27:04,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:27:03" (3/4) ... [2023-11-29 05:27:04,667 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-29 05:27:04,705 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:27:04,706 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:27:04,707 INFO L158 Benchmark]: Toolchain (without parser) took 1361.38ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 123.2MB in the end (delta: -1.6MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-29 05:27:04,708 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory was 69.0MB in the beginning and 68.9MB in the end (delta: 150.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:27:04,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.56ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 112.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 05:27:04,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.95ms. Allocated memory is still 153.1MB. Free memory was 112.1MB in the beginning and 110.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:27:04,709 INFO L158 Benchmark]: Boogie Preprocessor took 24.59ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 109.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:27:04,710 INFO L158 Benchmark]: RCFGBuilder took 211.44ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 100.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 05:27:04,710 INFO L158 Benchmark]: BuchiAutomizer took 891.75ms. Allocated memory is still 153.1MB. Free memory was 100.6MB in the beginning and 121.3MB in the end (delta: -20.7MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-29 05:27:04,711 INFO L158 Benchmark]: Witness Printer took 40.87ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 123.2MB in the end (delta: -1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:27:04,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory was 69.0MB in the beginning and 68.9MB in the end (delta: 150.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.56ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 112.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.95ms. Allocated memory is still 153.1MB. Free memory was 112.1MB in the beginning and 110.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.59ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 109.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 211.44ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 100.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 891.75ms. Allocated memory is still 153.1MB. Free memory was 100.6MB in the beginning and 121.3MB in the end (delta: -20.7MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 40.87ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 123.2MB in the end (delta: -1.9MB). 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 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 0.3s 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. [2023-11-29 05:27:04,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-29 05:27:04,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-29 05:27:04,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-29 05:27:04,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-29 05:27:04,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-29 05:27:04,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-29 05:27:04,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-29 05:27:04,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-29 05:27:04,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-29 05:27:04,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-29 05:27:04,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-29 05:27:04,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-29 05:27:04,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-29 05:27:04,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-29 05:27:04,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-29 05:27:04,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-29 05:27:04,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-29 05:27:04,726 WARN L1572 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, a=0, \result=0} State at position 1 is {x=0, a=34, \result=0} For i>1, the state at position i is {x=0 + sum_{k=0}^i 0, a=34 + sum_{k=0}^i -6 + -1*7^k + 6 + 6*k*7^(k-1), \result=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! [2023-11-29 05:27:04,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac7996a-214f-44f8-84a5-5dd2a20575af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)