./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 fb567b374acd8bb9754dd21f812a202296c7800faf8be127cd0c1294b076cd75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:59:39,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:59:39,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:59:39,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:59:39,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:59:39,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:59:39,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:59:39,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:59:39,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:59:39,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:59:39,594 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:59:39,594 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:59:39,595 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:59:39,597 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:59:39,597 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:59:39,598 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:59:39,598 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:59:39,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:59:39,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:59:39,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:59:39,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:59:39,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:59:39,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:59:39,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:59:39,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:59:39,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:59:39,604 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:59:39,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:59:39,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:59:39,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:59:39,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:59:39,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:59:39,608 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:59:39,609 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_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb567b374acd8bb9754dd21f812a202296c7800faf8be127cd0c1294b076cd75 [2023-11-06 22:59:39,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:59:40,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:59:40,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:59:40,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:59:40,031 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:59:40,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2023-11-06 22:59:43,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:59:43,595 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:59:43,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2023-11-06 22:59:43,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/data/3f74e2052/2f3d29724bb742b19ad4c357bf136795/FLAG5fe6d4578 [2023-11-06 22:59:43,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/data/3f74e2052/2f3d29724bb742b19ad4c357bf136795 [2023-11-06 22:59:43,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:59:43,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:59:43,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:43,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:59:43,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:59:43,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeacda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43, skipping insertion in model container [2023-11-06 22:59:43,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:59:43,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:43,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:59:43,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:43,854 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:59:43,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43 WrapperNode [2023-11-06 22:59:43,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:43,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:43,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:59:43,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:59:43,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,893 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-06 22:59:43,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:43,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:59:43,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:59:43,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:59:43,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:59:43,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:59:43,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:59:43,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:59:43,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (1/1) ... [2023-11-06 22:59:43,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:43,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:43,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:43,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:59:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:59:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:59:44,151 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:59:44,154 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:59:44,290 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:59:44,298 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:59:44,298 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:59:44,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:44 BoogieIcfgContainer [2023-11-06 22:59:44,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:59:44,303 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:59:44,303 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:59:44,309 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:59:44,310 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:59:44,311 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:59:43" (1/3) ... [2023-11-06 22:59:44,312 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62e66ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:59:44, skipping insertion in model container [2023-11-06 22:59:44,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:59:44,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:43" (2/3) ... [2023-11-06 22:59:44,314 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62e66ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:59:44, skipping insertion in model container [2023-11-06 22:59:44,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:59:44,314 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:44" (3/3) ... [2023-11-06 22:59:44,316 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2023-11-06 22:59:44,387 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:59:44,387 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:59:44,387 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:59:44,387 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:59:44,387 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:59:44,388 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:59:44,388 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:59:44,388 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:59:44,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2023-11-06 22:59:44,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:59:44,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:59:44,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:59:44,420 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:59:44,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:59:44,420 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:59:44,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2023-11-06 22:59:44,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:59:44,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:59:44,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:59:44,424 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:59:44,424 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:59:44,433 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6#L21true assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 5#L23-2true [2023-11-06 22:59:44,433 INFO L750 eck$LassoCheckResult]: Loop: 5#L23-2true assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 3#L25-2true assume !(main_~j~0#1 < main_~m~0#1); 7#L25-3true main_~i~0#1 := 1 + main_~i~0#1; 5#L23-2true [2023-11-06 22:59:44,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:44,441 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-11-06 22:59:44,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:44,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897526468] [2023-11-06 22:59:44,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:44,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:44,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:44,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:44,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:44,590 INFO L85 PathProgramCache]: Analyzing trace with hash 43936, now seen corresponding path program 1 times [2023-11-06 22:59:44,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:44,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167614195] [2023-11-06 22:59:44,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:44,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:44,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:44,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:44,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:44,644 INFO L85 PathProgramCache]: Analyzing trace with hash 889513823, now seen corresponding path program 1 times [2023-11-06 22:59:44,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:44,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661472082] [2023-11-06 22:59:44,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:44,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:44,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:44,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:44,890 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:44,897 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:44,898 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:44,898 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:44,898 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:59:44,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:44,899 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:44,899 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:44,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration1_Loop [2023-11-06 22:59:44,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:44,900 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:44,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:44,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:44,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:44,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:44,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:45,064 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:45,065 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:59:45,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:45,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:45,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:45,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:45,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:45,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:59:45,126 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:59:45,127 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:59:45,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:45,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:45,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:45,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:45,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:45,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:45,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:59:45,177 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:59:45,177 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:59:45,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:45,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:45,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:45,192 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:45,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:45,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:45,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:59:45,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:45,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:45,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:45,230 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:45,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:59:45,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:59:45,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:45,446 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:59:45,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-06 22:59:45,453 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:45,453 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:45,453 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:45,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:45,454 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:59:45,454 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:45,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:45,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:45,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration1_Loop [2023-11-06 22:59:45,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:45,455 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:45,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:45,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:45,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:45,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:45,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:45,599 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:45,606 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:59:45,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:45,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:45,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:45,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:45,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:59:45,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:45,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:45,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:45,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:45,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:59:45,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:59:45,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:59:45,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:45,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:45,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:45,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:45,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:59:45,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:45,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:45,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:45,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:45,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:45,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:59:45,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:59:45,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:59:45,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:45,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:45,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:45,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:45,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:45,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:59:45,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:45,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:59:45,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:45,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:45,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:45,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:59:45,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:59:45,804 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:59:45,809 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:59:45,809 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:59:45,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:45,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:45,845 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:45,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:59:45,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:59:45,849 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:59:45,849 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:59:45,850 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-06 22:59:45,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:45,859 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:59:45,904 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:45,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:45,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:45,941 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:45,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:46,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 22:59:46,076 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-06 22:59:46,203 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 60 transitions. Complement of second has 8 states. [2023-11-06 22:59:46,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-06 22:59:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2023-11-06 22:59:46,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 3 letters. [2023-11-06 22:59:46,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:46,222 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-06 22:59:46,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:46,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 6 letters. [2023-11-06 22:59:46,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:46,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 60 transitions. [2023-11-06 22:59:46,234 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:59:46,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 22 transitions. [2023-11-06 22:59:46,241 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-06 22:59:46,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-06 22:59:46,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 22 transitions. [2023-11-06 22:59:46,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:59:46,244 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 22 transitions. [2023-11-06 22:59:46,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 22 transitions. [2023-11-06 22:59:46,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-06 22:59:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 13 states have internal predecessors, (21), 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) [2023-11-06 22:59:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2023-11-06 22:59:46,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 21 transitions. [2023-11-06 22:59:46,276 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 21 transitions. [2023-11-06 22:59:46,276 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:59:46,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 21 transitions. [2023-11-06 22:59:46,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:59:46,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:59:46,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:59:46,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-06 22:59:46,279 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:59:46,279 INFO L748 eck$LassoCheckResult]: Stem: 106#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 107#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 103#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 104#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 96#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 97#L28-2 [2023-11-06 22:59:46,279 INFO L750 eck$LassoCheckResult]: Loop: 97#L28-2 assume !!(main_~k~0#1 < main_~N~0#1 - 1);main_~k~0#1 := 1 + main_~k~0#1; 97#L28-2 [2023-11-06 22:59:46,280 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:46,280 INFO L85 PathProgramCache]: Analyzing trace with hash 28693995, now seen corresponding path program 1 times [2023-11-06 22:59:46,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:46,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455988075] [2023-11-06 22:59:46,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:46,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:46,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:46,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:46,318 INFO L85 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times [2023-11-06 22:59:46,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:46,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950994420] [2023-11-06 22:59:46,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:46,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:46,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:46,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:46,351 INFO L85 PathProgramCache]: Analyzing trace with hash 889513877, now seen corresponding path program 1 times [2023-11-06 22:59:46,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:46,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113978002] [2023-11-06 22:59:46,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:46,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:46,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:46,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:46,422 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:46,423 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:46,423 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:46,423 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:46,423 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:59:46,423 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:46,424 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:46,424 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:46,424 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration2_Loop [2023-11-06 22:59:46,424 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:46,424 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:46,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:46,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:46,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:46,493 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:46,493 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:59:46,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:46,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:46,495 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:46,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:59:46,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:46,505 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:46,533 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:59:46,534 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:59:46,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:46,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:46,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:46,547 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:46,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:46,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:46,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:59:46,592 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:59:46,593 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:59:46,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:46,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:46,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:46,606 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:46,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:59:46,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:46,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:46,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:46,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:46,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:46,648 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:46,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:59:46,652 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:59:46,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:46,885 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:59:46,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:46,890 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:46,890 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:46,890 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:46,891 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:46,891 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:59:46,891 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:46,891 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:46,891 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:46,891 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration2_Loop [2023-11-06 22:59:46,891 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:46,891 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:46,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:46,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:46,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:46,971 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:46,971 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:59:46,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:46,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:46,973 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:46,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:47,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:59:47,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:47,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:47,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:47,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:47,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:59:47,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:59:47,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:59:47,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:47,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:47,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:47,033 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:47,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:59:47,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:47,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:47,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:47,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:47,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:47,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:59:47,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:59:47,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:59:47,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:47,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:47,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:47,104 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:47,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:59:47,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:47,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:47,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:59:47,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:47,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:47,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:47,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:59:47,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:59:47,138 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:59:47,144 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:59:47,144 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-06 22:59:47,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:47,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:47,148 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:47,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:59:47,150 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:59:47,150 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:59:47,150 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:59:47,150 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~N~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~N~0#1 Supporting invariants [] [2023-11-06 22:59:47,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:47,156 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:59:47,185 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:47,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:47,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:47,219 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:47,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:47,222 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:59:47,222 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 21 transitions. cyclomatic complexity: 10 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-06 22:59:47,253 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 21 transitions. cyclomatic complexity: 10. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 44 transitions. Complement of second has 6 states. [2023-11-06 22:59:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-06 22:59:47,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-11-06 22:59:47,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 1 letters. [2023-11-06 22:59:47,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:47,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2023-11-06 22:59:47,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:47,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-06 22:59:47,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:47,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 44 transitions. [2023-11-06 22:59:47,263 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-06 22:59:47,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 19 states and 28 transitions. [2023-11-06 22:59:47,265 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-06 22:59:47,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-06 22:59:47,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 28 transitions. [2023-11-06 22:59:47,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:59:47,266 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-11-06 22:59:47,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 28 transitions. [2023-11-06 22:59:47,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-06 22:59:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 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) [2023-11-06 22:59:47,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2023-11-06 22:59:47,272 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-11-06 22:59:47,273 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-11-06 22:59:47,274 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:59:47,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2023-11-06 22:59:47,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-06 22:59:47,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:59:47,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:59:47,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:47,279 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:59:47,279 INFO L748 eck$LassoCheckResult]: Stem: 188#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 189#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 185#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 186#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 184#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 193#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 192#L28-3 main_~i~0#1 := main_~k~0#1; 176#L25-2 [2023-11-06 22:59:47,280 INFO L750 eck$LassoCheckResult]: Loop: 176#L25-2 assume !(main_~j~0#1 < main_~m~0#1); 177#L25-3 main_~i~0#1 := 1 + main_~i~0#1; 194#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 176#L25-2 [2023-11-06 22:59:47,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:47,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1805126385, now seen corresponding path program 1 times [2023-11-06 22:59:47,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:47,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855311017] [2023-11-06 22:59:47,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:47,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:47,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:47,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:47,310 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:47,311 INFO L85 PathProgramCache]: Analyzing trace with hash 51226, now seen corresponding path program 2 times [2023-11-06 22:59:47,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:47,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922039984] [2023-11-06 22:59:47,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:47,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:47,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:47,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:47,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:47,345 INFO L85 PathProgramCache]: Analyzing trace with hash -765356246, now seen corresponding path program 1 times [2023-11-06 22:59:47,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:47,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569559401] [2023-11-06 22:59:47,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:47,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:47,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:47,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:47,413 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:47,413 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:47,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:47,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:47,413 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:59:47,413 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:47,413 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:47,414 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:47,414 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration3_Loop [2023-11-06 22:59:47,414 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:47,414 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:47,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:47,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:47,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:47,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:47,506 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:47,506 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:59:47,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:47,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:47,507 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:47,516 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:47,516 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:47,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:59:47,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:47,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:47,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:47,545 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:47,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:59:47,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:47,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:59:47,903 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:59:47,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:47,906 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:47,907 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:47,907 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:47,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:47,907 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:59:47,907 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:47,907 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:47,907 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:47,907 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration3_Loop [2023-11-06 22:59:47,907 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:47,907 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:47,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:47,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:47,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:47,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:48,004 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:48,006 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:59:48,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:48,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:48,008 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:48,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 22:59:48,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:48,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:48,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:59:48,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:48,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:48,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:48,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:59:48,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:59:48,029 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:59:48,034 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:59:48,034 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-06 22:59:48,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:48,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:48,040 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:48,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 22:59:48,041 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:59:48,041 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:59:48,041 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:59:48,042 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-06 22:59:48,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:48,054 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:59:48,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:48,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:48,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:48,108 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:48,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:48,157 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 22:59:48,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:48,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 52 transitions. Complement of second has 8 states. [2023-11-06 22:59:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2023-11-06 22:59:48,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-06 22:59:48,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:48,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-06 22:59:48,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:48,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-06 22:59:48,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:48,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 52 transitions. [2023-11-06 22:59:48,212 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:59:48,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 23 states and 35 transitions. [2023-11-06 22:59:48,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-06 22:59:48,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-06 22:59:48,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 35 transitions. [2023-11-06 22:59:48,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:59:48,214 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 35 transitions. [2023-11-06 22:59:48,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 35 transitions. [2023-11-06 22:59:48,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2023-11-06 22:59:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 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) [2023-11-06 22:59:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2023-11-06 22:59:48,221 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-11-06 22:59:48,221 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-11-06 22:59:48,221 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:59:48,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2023-11-06 22:59:48,222 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:59:48,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:59:48,223 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:59:48,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:48,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:59:48,224 INFO L748 eck$LassoCheckResult]: Stem: 292#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 289#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 285#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 287#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 297#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 296#L28-3 main_~i~0#1 := main_~k~0#1; 281#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 283#L28-2 [2023-11-06 22:59:48,224 INFO L750 eck$LassoCheckResult]: Loop: 283#L28-2 assume !!(main_~k~0#1 < main_~N~0#1 - 1);main_~k~0#1 := 1 + main_~k~0#1; 283#L28-2 [2023-11-06 22:59:48,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:48,225 INFO L85 PathProgramCache]: Analyzing trace with hash 124343110, now seen corresponding path program 2 times [2023-11-06 22:59:48,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:48,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949830090] [2023-11-06 22:59:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:48,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:48,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:48,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:48,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:48,260 INFO L85 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 2 times [2023-11-06 22:59:48,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:48,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41816644] [2023-11-06 22:59:48,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:48,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:48,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:48,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:48,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:48,273 INFO L85 PathProgramCache]: Analyzing trace with hash -440330854, now seen corresponding path program 1 times [2023-11-06 22:59:48,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:48,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731363417] [2023-11-06 22:59:48,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:48,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:48,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:48,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731363417] [2023-11-06 22:59:48,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731363417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:48,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:48,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:59:48,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460726836] [2023-11-06 22:59:48,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:48,376 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:48,377 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:48,377 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:48,377 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:48,377 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:59:48,377 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:48,377 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:48,377 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:48,377 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration4_Loop [2023-11-06 22:59:48,377 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:48,378 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:48,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:48,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:48,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:48,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:48,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:48,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-06 22:59:48,481 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:48,481 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:59:48,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:48,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:48,493 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:48,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 22:59:48,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:48,550 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:48,572 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:59:48,573 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:59:48,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:48,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:48,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:48,584 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:48,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:48,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:48,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 22:59:48,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:48,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:48,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:48,635 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:48,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:59:48,640 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:48,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 22:59:48,811 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:59:48,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-06 22:59:48,815 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:48,815 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:48,815 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:48,815 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:48,815 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:59:48,815 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:48,815 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:48,815 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:48,815 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration4_Loop [2023-11-06 22:59:48,816 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:48,816 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:48,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:48,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:48,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:48,886 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:48,886 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:59:48,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:48,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:48,888 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:48,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:48,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:48,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:59:48,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:48,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:48,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:48,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:59:48,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:59:48,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 22:59:48,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:59:48,929 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:59:48,929 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-06 22:59:48,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:48,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:48,931 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:48,936 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:59:48,936 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:59:48,936 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:59:48,936 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~N~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~N~0#1 Supporting invariants [] [2023-11-06 22:59:48,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 22:59:48,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:48,946 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:59:48,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:48,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:48,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:48,994 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:48,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:48,996 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:59:48,996 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:59:49,015 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 39 transitions. Complement of second has 5 states. [2023-11-06 22:59:49,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:59:49,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-06 22:59:49,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 1 letters. [2023-11-06 22:59:49,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:49,019 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:59:49,033 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:49,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:49,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:49,057 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:49,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:49,058 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:59:49,058 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:59:49,075 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 39 transitions. Complement of second has 5 states. [2023-11-06 22:59:49,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:59:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-06 22:59:49,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 1 letters. [2023-11-06 22:59:49,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:49,081 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:59:49,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:49,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:49,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:49,126 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:49,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:49,127 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:59:49,127 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:59:49,140 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 61 transitions. Complement of second has 5 states. [2023-11-06 22:59:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:59:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2023-11-06 22:59:49,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 8 letters. Loop has 1 letters. [2023-11-06 22:59:49,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:49,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 9 letters. Loop has 1 letters. [2023-11-06 22:59:49,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:49,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-06 22:59:49,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:49,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 61 transitions. [2023-11-06 22:59:49,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:59:49,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 23 states and 34 transitions. [2023-11-06 22:59:49,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-06 22:59:49,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-06 22:59:49,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 34 transitions. [2023-11-06 22:59:49,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:59:49,146 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 34 transitions. [2023-11-06 22:59:49,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 34 transitions. [2023-11-06 22:59:49,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2023-11-06 22:59:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 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) [2023-11-06 22:59:49,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2023-11-06 22:59:49,149 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2023-11-06 22:59:49,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:49,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:59:49,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:59:49,152 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-06 22:59:49,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:49,183 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2023-11-06 22:59:49,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2023-11-06 22:59:49,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:59:49,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2023-11-06 22:59:49,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-06 22:59:49,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-06 22:59:49,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2023-11-06 22:59:49,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:59:49,185 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-11-06 22:59:49,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2023-11-06 22:59:49,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-06 22:59:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 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) [2023-11-06 22:59:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2023-11-06 22:59:49,187 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-11-06 22:59:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:59:49,188 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-11-06 22:59:49,189 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:59:49,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2023-11-06 22:59:49,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:59:49,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:59:49,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:59:49,190 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:49,190 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:59:49,190 INFO L748 eck$LassoCheckResult]: Stem: 556#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 557#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 553#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 549#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 551#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 561#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 560#L28-3 main_~i~0#1 := main_~k~0#1; 545#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 547#L28-2 [2023-11-06 22:59:49,190 INFO L750 eck$LassoCheckResult]: Loop: 547#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 558#L28-3 main_~i~0#1 := main_~k~0#1; 562#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 547#L28-2 [2023-11-06 22:59:49,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:49,191 INFO L85 PathProgramCache]: Analyzing trace with hash 124343110, now seen corresponding path program 3 times [2023-11-06 22:59:49,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:49,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369849054] [2023-11-06 22:59:49,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:49,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:49,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:49,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:49,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:49,204 INFO L85 PathProgramCache]: Analyzing trace with hash 59760, now seen corresponding path program 1 times [2023-11-06 22:59:49,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:49,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783707199] [2023-11-06 22:59:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:49,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:49,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:49,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:49,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:49,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2043810827, now seen corresponding path program 4 times [2023-11-06 22:59:49,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:49,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31547389] [2023-11-06 22:59:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:49,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:49,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:49,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:49,263 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:49,263 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:49,263 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:49,263 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:49,263 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:59:49,263 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,263 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:49,263 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:49,263 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration5_Loop [2023-11-06 22:59:49,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:49,264 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:49,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:49,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:49,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:49,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:49,331 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:49,331 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:59:49,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,332 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 22:59:49,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:49,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:49,353 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:59:49,354 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_9=1} Honda state: {v_rep~unnamed0~0~true_9=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:59:49,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:49,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,361 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 22:59:49,366 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:49,366 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:49,383 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:59:49,384 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_9=0} Honda state: {v_rep~unnamed0~0~false_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:59:49,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:49,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,391 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:49,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:49,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 22:59:49,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:59:49,424 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0, ULTIMATE.start_main_~k~0#1=0, ULTIMATE.start_main_~N~0#1=1} Honda state: {ULTIMATE.start_main_~i~0#1=0, ULTIMATE.start_main_~k~0#1=0, ULTIMATE.start_main_~N~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:59:49,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:49,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,430 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,436 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:49,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:49,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 22:59:49,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:49,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,476 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:59:49,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:49,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 22:59:49,638 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:59:49,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:49,641 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:49,641 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:49,642 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:49,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:49,642 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:59:49,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:49,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:49,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration5_Loop [2023-11-06 22:59:49,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:49,642 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:49,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:49,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:49,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:49,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:49,731 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:49,731 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:59:49,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,734 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:49,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 22:59:49,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:49,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:59:49,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:49,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:49,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:49,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:59:49,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:59:49,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:59:49,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-06 22:59:49,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,769 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-06 22:59:49,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:49,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:49,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:49,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:49,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:49,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:59:49,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:59:49,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:59:49,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:49,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,797 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 22:59:49,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:49,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:49,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:49,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:49,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:49,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:59:49,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:59:49,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:59:49,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:49,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,858 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:49,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:49,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:59:49,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:49,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:49,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:49,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:59:49,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:59:49,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 22:59:49,892 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:59:49,896 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:59:49,896 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-06 22:59:49,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:49,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,900 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:49,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-06 22:59:49,905 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:59:49,906 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:59:49,906 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:59:49,906 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2023-11-06 22:59:49,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:49,910 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:59:49,928 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:49,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:49,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:49,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:49,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:49,969 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:59:49,969 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-06 22:59:49,990 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 49 transitions. Complement of second has 5 states. [2023-11-06 22:59:49,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-06 22:59:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-11-06 22:59:49,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 8 letters. Loop has 3 letters. [2023-11-06 22:59:49,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:49,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-06 22:59:49,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:49,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2023-11-06 22:59:49,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:49,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2023-11-06 22:59:50,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:59:50,006 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 34 states and 45 transitions. [2023-11-06 22:59:50,006 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-06 22:59:50,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-06 22:59:50,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2023-11-06 22:59:50,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:59:50,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 45 transitions. [2023-11-06 22:59:50,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2023-11-06 22:59:50,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2023-11-06 22:59:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 25 states have internal predecessors, (36), 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) [2023-11-06 22:59:50,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2023-11-06 22:59:50,018 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 36 transitions. [2023-11-06 22:59:50,018 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2023-11-06 22:59:50,018 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:59:50,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2023-11-06 22:59:50,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:59:50,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:59:50,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:59:50,022 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:50,022 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:59:50,022 INFO L748 eck$LassoCheckResult]: Stem: 667#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 668#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 663#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 659#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 661#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 677#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 672#L28-3 main_~i~0#1 := main_~k~0#1; 655#L25-2 assume !(main_~j~0#1 < main_~m~0#1); 656#L25-3 main_~i~0#1 := 1 + main_~i~0#1; 666#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 678#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 669#L28-2 [2023-11-06 22:59:50,022 INFO L750 eck$LassoCheckResult]: Loop: 669#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 670#L28-3 main_~i~0#1 := main_~k~0#1; 679#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 669#L28-2 [2023-11-06 22:59:50,023 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:50,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2043760173, now seen corresponding path program 2 times [2023-11-06 22:59:50,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:50,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204043204] [2023-11-06 22:59:50,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:50,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:50,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:50,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:50,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:50,038 INFO L85 PathProgramCache]: Analyzing trace with hash 59760, now seen corresponding path program 2 times [2023-11-06 22:59:50,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:50,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90382460] [2023-11-06 22:59:50,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:50,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:50,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:50,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:50,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:50,046 INFO L85 PathProgramCache]: Analyzing trace with hash 202955716, now seen corresponding path program 3 times [2023-11-06 22:59:50,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:50,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173317846] [2023-11-06 22:59:50,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:50,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:50,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:50,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173317846] [2023-11-06 22:59:50,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173317846] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:59:50,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902352272] [2023-11-06 22:59:50,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:59:50,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:59:50,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:50,136 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:59:50,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-11-06 22:59:50,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-06 22:59:50,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:59:50,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:59:50,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:50,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:59:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:50,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902352272] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:59:50,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:59:50,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2023-11-06 22:59:50,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328016171] [2023-11-06 22:59:50,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:59:50,370 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:50,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:50,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:50,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:50,371 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:59:50,371 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:50,371 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:50,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:50,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration6_Loop [2023-11-06 22:59:50,372 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:50,372 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:50,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:50,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:50,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:50,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:50,462 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:50,462 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:59:50,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:50,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:50,464 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:50,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:50,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:50,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-06 22:59:50,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:50,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:50,511 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:50,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:59:50,517 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:50,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-06 22:59:50,716 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:59:50,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:50,729 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:50,729 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:50,729 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:50,729 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:50,730 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:59:50,730 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:50,730 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:50,730 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:50,730 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration6_Loop [2023-11-06 22:59:50,730 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:50,730 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:50,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:50,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:50,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:50,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:50,824 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:50,824 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:59:50,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:50,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:50,825 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:50,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:59:50,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-06 22:59:50,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:59:50,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:59:50,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:59:50,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:59:50,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:59:50,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:59:50,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:59:50,863 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:59:50,882 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:59:50,883 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-06 22:59:50,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:50,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:50,888 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:50,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:59:50,893 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:59:50,893 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:59:50,893 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2023-11-06 22:59:50,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-06 22:59:50,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:50,905 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:59:50,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:50,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:50,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:50,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:50,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:50,993 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:59:50,993 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-06 22:59:51,023 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 46 states and 63 transitions. Complement of second has 5 states. [2023-11-06 22:59:51,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-06 22:59:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-11-06 22:59:51,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-06 22:59:51,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:51,033 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:59:51,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:51,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:51,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:51,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:51,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:51,097 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:59:51,098 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-06 22:59:51,109 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 46 states and 63 transitions. Complement of second has 5 states. [2023-11-06 22:59:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-06 22:59:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-11-06 22:59:51,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-06 22:59:51,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:51,111 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:59:51,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:51,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:59:51,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:51,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:51,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:51,186 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:59:51,186 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-06 22:59:51,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 50 states and 70 transitions. Complement of second has 4 states. [2023-11-06 22:59:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:59:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-06 22:59:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2023-11-06 22:59:51,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-06 22:59:51,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:51,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-06 22:59:51,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:51,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 11 letters. Loop has 6 letters. [2023-11-06 22:59:51,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:59:51,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 70 transitions. [2023-11-06 22:59:51,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-06 22:59:51,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 36 states and 49 transitions. [2023-11-06 22:59:51,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-06 22:59:51,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-06 22:59:51,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 49 transitions. [2023-11-06 22:59:51,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:59:51,218 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-11-06 22:59:51,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 49 transitions. [2023-11-06 22:59:51,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2023-11-06 22:59:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 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) [2023-11-06 22:59:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2023-11-06 22:59:51,228 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2023-11-06 22:59:51,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:51,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:59:51,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:59:51,229 INFO L87 Difference]: Start difference. First operand 25 states and 36 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 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) [2023-11-06 22:59:51,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:51,333 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2023-11-06 22:59:51,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2023-11-06 22:59:51,334 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2023-11-06 22:59:51,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 48 transitions. [2023-11-06 22:59:51,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-06 22:59:51,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-06 22:59:51,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 48 transitions. [2023-11-06 22:59:51,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:59:51,336 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 48 transitions. [2023-11-06 22:59:51,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 48 transitions. [2023-11-06 22:59:51,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2023-11-06 22:59:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 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) [2023-11-06 22:59:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2023-11-06 22:59:51,340 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2023-11-06 22:59:51,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:59:51,341 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2023-11-06 22:59:51,341 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 22:59:51,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2023-11-06 22:59:51,342 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2023-11-06 22:59:51,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:59:51,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:59:51,343 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-06 22:59:51,343 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1] [2023-11-06 22:59:51,344 INFO L748 eck$LassoCheckResult]: Stem: 1155#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1156#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1152#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 1153#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 1168#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1164#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1161#L28-3 main_~i~0#1 := main_~k~0#1; 1148#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1149#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1172#L28-3 [2023-11-06 22:59:51,344 INFO L750 eck$LassoCheckResult]: Loop: 1172#L28-3 main_~i~0#1 := main_~k~0#1; 1171#L25-2 assume !(main_~j~0#1 < main_~m~0#1); 1170#L25-3 main_~i~0#1 := 1 + main_~i~0#1; 1169#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 1166#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1163#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1161#L28-3 main_~i~0#1 := main_~k~0#1; 1148#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1149#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1172#L28-3 [2023-11-06 22:59:51,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:51,344 INFO L85 PathProgramCache]: Analyzing trace with hash -440330856, now seen corresponding path program 5 times [2023-11-06 22:59:51,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:51,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578277440] [2023-11-06 22:59:51,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:51,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:51,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:51,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:51,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:51,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1332666324, now seen corresponding path program 1 times [2023-11-06 22:59:51,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:51,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37830097] [2023-11-06 22:59:51,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:51,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:51,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:51,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:51,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:51,375 INFO L85 PathProgramCache]: Analyzing trace with hash -779525003, now seen corresponding path program 4 times [2023-11-06 22:59:51,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:51,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319327794] [2023-11-06 22:59:51,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:51,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:51,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:51,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:51,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:51,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:51,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:51,559 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:59:51,559 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:59:51,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:59:51,559 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:59:51,559 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:59:51,559 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:51,559 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:59:51,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:59:51,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration7_Loop [2023-11-06 22:59:51,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:59:51,560 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:59:51,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:51,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:51,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:51,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:59:51,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:59:51,662 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:59:51,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:51,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:51,664 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:51,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-06 22:59:51,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:59:51,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:59:51,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:51,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:59:51,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:51,698 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:51,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-06 22:59:51,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:59:51,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:00:03,755 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-06 23:00:03,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-06 23:00:03,760 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:00:03,760 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:00:03,760 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:00:03,760 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:00:03,761 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:00:03,761 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:03,761 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:00:03,761 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:00:03,761 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration7_Loop [2023-11-06 23:00:03,761 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:00:03,761 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:00:03,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:03,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:03,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:03,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:03,885 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:00:03,886 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:00:03,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:03,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:03,888 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:03,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:00:03,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-06 23:00:03,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:00:03,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:00:03,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:00:03,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:00:03,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:00:03,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:00:03,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:00:03,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:03,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:03,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:03,937 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:03,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-06 23:00:03,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:00:03,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:00:03,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:00:03,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:00:03,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:00:03,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:00:03,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:00:03,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:00:03,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:03,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:03,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:03,976 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:03,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:00:03,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-06 23:00:03,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:00:03,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:00:03,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:00:03,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:00:03,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:00:03,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:00:03,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:00:04,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:00:04,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-06 23:00:04,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:04,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:04,007 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:04,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-06 23:00:04,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:00:04,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:00:04,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:00:04,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:00:04,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:00:04,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:00:04,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:00:04,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:00:04,029 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:00:04,033 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 23:00:04,033 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 23:00:04,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:04,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:04,036 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:04,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-06 23:00:04,040 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:00:04,040 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:00:04,040 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:00:04,040 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-06 23:00:04,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:04,044 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:00:04,065 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:04,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:00:04,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:04,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:00:04,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:00:04,222 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-06 23:00:04,222 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 14 Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:00:04,388 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 14. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 73 transitions. Complement of second has 12 states. [2023-11-06 23:00:04,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-06 23:00:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:00:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2023-11-06 23:00:04,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 9 letters. Loop has 9 letters. [2023-11-06 23:00:04,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:00:04,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 18 letters. Loop has 9 letters. [2023-11-06 23:00:04,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:00:04,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 9 letters. Loop has 18 letters. [2023-11-06 23:00:04,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:00:04,395 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2023-11-06 23:00:04,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:00:04,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 51 states and 64 transitions. [2023-11-06 23:00:04,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-06 23:00:04,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-06 23:00:04,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2023-11-06 23:00:04,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:00:04,401 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-11-06 23:00:04,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2023-11-06 23:00:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 36. [2023-11-06 23:00:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 35 states have internal predecessors, (49), 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) [2023-11-06 23:00:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2023-11-06 23:00:04,408 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-11-06 23:00:04,408 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-11-06 23:00:04,408 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-06 23:00:04,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 49 transitions. [2023-11-06 23:00:04,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:00:04,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:00:04,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:00:04,410 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2023-11-06 23:00:04,410 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:00:04,410 INFO L748 eck$LassoCheckResult]: Stem: 1337#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1338#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1334#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 1335#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 1347#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1342#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1346#L28-3 main_~i~0#1 := main_~k~0#1; 1356#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1350#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1339#L28-3 main_~i~0#1 := main_~k~0#1; 1328#L25-2 [2023-11-06 23:00:04,410 INFO L750 eck$LassoCheckResult]: Loop: 1328#L25-2 assume !(main_~j~0#1 < main_~m~0#1); 1329#L25-3 main_~i~0#1 := 1 + main_~i~0#1; 1332#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 1328#L25-2 [2023-11-06 23:00:04,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:04,411 INFO L85 PathProgramCache]: Analyzing trace with hash -765354612, now seen corresponding path program 6 times [2023-11-06 23:00:04,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:04,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373399915] [2023-11-06 23:00:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:04,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:00:04,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:00:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:00:04,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:00:04,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:04,446 INFO L85 PathProgramCache]: Analyzing trace with hash 51226, now seen corresponding path program 3 times [2023-11-06 23:00:04,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:04,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901119444] [2023-11-06 23:00:04,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:04,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:00:04,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:00:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:00:04,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:00:04,462 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:04,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1302149807, now seen corresponding path program 5 times [2023-11-06 23:00:04,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:04,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253749407] [2023-11-06 23:00:04,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:04,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:00:04,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:00:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:00:04,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:00:04,534 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:00:04,534 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:00:04,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:00:04,535 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:00:04,535 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:00:04,535 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:04,535 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:00:04,535 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:00:04,535 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration8_Loop [2023-11-06 23:00:04,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:00:04,535 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:00:04,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:04,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:04,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:04,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:04,612 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:00:04,612 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:00:04,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:04,614 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:04,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:00:04,621 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:00:04,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-06 23:00:04,656 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:00:04,656 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:00:04,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:04,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:04,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:04,663 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:04,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:00:04,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:00:04,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-06 23:00:04,694 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:00:04,694 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:00:04,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:04,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:04,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:04,700 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:04,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:00:04,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:00:04,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-06 23:00:04,735 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:00:04,735 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_15=0} Honda state: {v_rep~unnamed0~0~false_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:00:04,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:04,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:04,743 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:04,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:00:04,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:00:04,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-06 23:00:04,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:04,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:04,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:04,774 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:04,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-06 23:00:04,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:00:04,778 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:00:05,109 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:00:05,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:05,113 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:00:05,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:00:05,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:00:05,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:00:05,114 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:00:05,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:05,114 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:00:05,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:00:05,114 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration8_Loop [2023-11-06 23:00:05,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:00:05,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:00:05,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:05,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:05,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:05,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:00:05,190 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:00:05,190 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:00:05,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:05,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:05,192 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:05,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-06 23:00:05,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:00:05,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:00:05,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:00:05,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:00:05,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:00:05,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:00:05,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:00:05,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:00:05,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:00:05,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:05,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:05,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:05,237 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:05,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:00:05,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-06 23:00:05,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:00:05,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:00:05,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:00:05,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:00:05,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:00:05,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:00:05,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:00:05,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:05,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:05,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:05,289 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:05,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:00:05,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-06 23:00:05,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:00:05,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:00:05,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:00:05,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:00:05,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:00:05,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:00:05,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:00:05,320 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:00:05,323 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 23:00:05,323 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 23:00:05,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:00:05,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:05,325 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:05,328 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:00:05,329 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:00:05,329 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:00:05,329 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-06 23:00:05,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-06 23:00:05,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:05,337 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:00:05,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:05,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:00:05,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:05,398 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:00:05,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:00:05,418 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:00:05,418 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-06 23:00:05,446 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 77 transitions. Complement of second has 7 states. [2023-11-06 23:00:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:00:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-06 23:00:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-06 23:00:05,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-06 23:00:05,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:00:05,449 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 23:00:05,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:05,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:00:05,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:05,508 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:00:05,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:00:05,524 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:00:05,525 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-06 23:00:05,550 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 77 transitions. Complement of second has 7 states. [2023-11-06 23:00:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:00:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-06 23:00:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-06 23:00:05,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-06 23:00:05,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:00:05,552 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 23:00:05,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:05,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:00:05,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:05,598 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:00:05,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:00:05,613 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:00:05,613 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-06 23:00:05,644 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 74 transitions. Complement of second has 6 states. [2023-11-06 23:00:05,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:00:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-06 23:00:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-06 23:00:05,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-06 23:00:05,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:00:05,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 3 letters. [2023-11-06 23:00:05,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:00:05,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-06 23:00:05,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:00:05,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 74 transitions. [2023-11-06 23:00:05,648 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:00:05,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2023-11-06 23:00:05,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 23:00:05,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 23:00:05,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 23:00:05,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:00:05,649 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:00:05,649 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:00:05,649 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:00:05,649 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-06 23:00:05,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:00:05,650 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:00:05,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 23:00:05,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 11:00:05 BoogieIcfgContainer [2023-11-06 23:00:05,659 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 23:00:05,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:00:05,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:00:05,661 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:00:05,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:44" (3/4) ... [2023-11-06 23:00:05,664 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:00:05,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:00:05,666 INFO L158 Benchmark]: Toolchain (without parser) took 22039.54ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 119.0MB in the beginning and 88.5MB in the end (delta: 30.5MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,666 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:00:05,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.60ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 109.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.70ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 108.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:00:05,668 INFO L158 Benchmark]: Boogie Preprocessor took 26.66ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 107.0MB in the end (delta: 960.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,668 INFO L158 Benchmark]: RCFGBuilder took 379.20ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 97.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,669 INFO L158 Benchmark]: BuchiAutomizer took 21356.35ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 97.5MB in the beginning and 88.5MB in the end (delta: 9.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,669 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 213.9MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:00:05,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.60ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 109.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.70ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 108.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.66ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 107.0MB in the end (delta: 960.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.20ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 97.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 21356.35ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 97.5MB in the beginning and 88.5MB in the end (delta: 9.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 213.9MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (2 trivial, 5 deterministic, 3 nondeterministic). One deterministic module has affine ranking function ((-1 * i) + n) and consists of 5 locations. One deterministic module has affine ranking function (N + (-1 * k)) and consists of 4 locations. One deterministic module has affine ranking function ((-1 * i) + n) and consists of 5 locations. One deterministic module has affine ranking function ((-1 * j) + m) and consists of 3 locations. One deterministic module has affine ranking function (n + (-1 * k)) and consists of 7 locations. One nondeterministic module has affine ranking function (N + (-1 * k)) and consists of 4 locations. One nondeterministic module has affine ranking function ((-1 * j) + m) and consists of 3 locations. One nondeterministic module has affine ranking function ((-1 * i) + n) and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.2s and 9 iterations. TraceHistogramMax:2. Analysis of lassos took 19.0s. Construction of modules took 0.1s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 47 StatesRemovedByMinimization, 7 NontrivialMinimizations. 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 [5, 0, 3, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/5 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 274 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 194 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT6 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax168 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 14.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 23:00:05,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:05,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-06 23:00:06,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:06,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31cca5a4-cf95-4275-a4a1-0a68b90ad99f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE