./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:29:16,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:29:16,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-12-02 06:29:16,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:29:16,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:29:16,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:29:16,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:29:16,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:29:16,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:29:16,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:29:16,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:29:16,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:29:16,320 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:29:16,320 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 06:29:16,320 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 06:29:16,320 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 06:29:16,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 06:29:16,321 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 06:29:16,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:29:16,322 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 06:29:16,322 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:29:16,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:29:16,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:29:16,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:29:16,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:29:16,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 06:29:16,322 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 06:29:16,323 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 [2024-12-02 06:29:16,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:29:16,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:29:16,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:29:16,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:29:16,599 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:29:16,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2024-12-02 06:29:19,905 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/data/70c0e2b52/1f0b0043e3714c91aff3427fba78fdc4/FLAG7c3799e71 [2024-12-02 06:29:20,119 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:29:20,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2024-12-02 06:29:20,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/data/70c0e2b52/1f0b0043e3714c91aff3427fba78fdc4/FLAG7c3799e71 [2024-12-02 06:29:20,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/data/70c0e2b52/1f0b0043e3714c91aff3427fba78fdc4 [2024-12-02 06:29:20,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:29:20,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:29:20,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:29:20,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:29:20,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:29:20,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557e6c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20, skipping insertion in model container [2024-12-02 06:29:20,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:29:20,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:29:20,296 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:29:20,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:29:20,317 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:29:20,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20 WrapperNode [2024-12-02 06:29:20,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:29:20,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:29:20,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:29:20,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:29:20,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,342 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-12-02 06:29:20,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:29:20,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:29:20,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:29:20,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:29:20,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,351 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,356 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 06:29:20,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,358 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:29:20,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:29:20,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:29:20,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:29:20,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (1/1) ... [2024-12-02 06:29:20,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:20,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:20,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:20,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 06:29:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:29:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:29:20,467 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:29:20,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:29:20,528 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-12-02 06:29:20,528 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:29:20,538 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:29:20,538 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:29:20,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:29:20 BoogieIcfgContainer [2024-12-02 06:29:20,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:29:20,539 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 06:29:20,540 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 06:29:20,545 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 06:29:20,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 06:29:20,546 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:29:20" (1/3) ... [2024-12-02 06:29:20,547 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ee34a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:29:20, skipping insertion in model container [2024-12-02 06:29:20,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 06:29:20,547 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:20" (2/3) ... [2024-12-02 06:29:20,548 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ee34a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:29:20, skipping insertion in model container [2024-12-02 06:29:20,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 06:29:20,548 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:29:20" (3/3) ... [2024-12-02 06:29:20,549 INFO L363 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-while2.c [2024-12-02 06:29:20,599 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 06:29:20,599 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 06:29:20,599 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 06:29:20,599 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 06:29:20,599 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 06:29:20,600 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 06:29:20,600 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 06:29:20,600 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 06:29:20,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-12-02 06:29:20,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-12-02 06:29:20,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:29:20,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:29:20,621 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 06:29:20,622 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 06:29:20,622 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 06:29:20,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-12-02 06:29:20,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-12-02 06:29:20,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:29:20,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:29:20,623 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 06:29:20,623 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 06:29:20,629 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_~N~0#1;" [2024-12-02 06:29:20,630 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 0;" "main_~j~0#1 := main_~N~0#1;" "assume !(main_~j~0#1 > 0);" "main_~i~0#1 := main_~i~0#1 - 1;" [2024-12-02 06:29:20,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:20,634 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-12-02 06:29:20,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:29:20,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521286322] [2024-12-02 06:29:20,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:20,702 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:29:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:20,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:29:20,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:20,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1174027, now seen corresponding path program 1 times [2024-12-02 06:29:20,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:29:20,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936204392] [2024-12-02 06:29:20,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:20,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:20,736 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:29:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:20,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:29:20,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:20,743 INFO L85 PathProgramCache]: Analyzing trace with hash 889601229, now seen corresponding path program 1 times [2024-12-02 06:29:20,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:29:20,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019904073] [2024-12-02 06:29:20,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:20,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:20,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 06:29:20,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019904073] [2024-12-02 06:29:20,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019904073] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:29:20,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545547098] [2024-12-02 06:29:20,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:20,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:29:20,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:20,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:29:20,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:29:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:20,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:29:20,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:21,007 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:29:21,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545547098] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:29:21,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:29:21,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-12-02 06:29:21,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933426958] [2024-12-02 06:29:21,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:29:21,125 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 06:29:21,125 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 06:29:21,125 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 06:29:21,126 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 06:29:21,126 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 06:29:21,126 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,126 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 06:29:21,126 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 06:29:21,126 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration1_Loop [2024-12-02 06:29:21,126 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 06:29:21,126 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 06:29:21,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,222 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 06:29:21,223 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 06:29:21,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,227 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 06:29:21,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 06:29:21,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:21,257 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 06:29:21,258 INFO L401 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: [] [2024-12-02 06:29:21,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 06:29:21,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,271 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 06:29:21,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 06:29:21,274 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:21,301 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 06:29:21,301 INFO L401 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: [] [2024-12-02 06:29:21,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 06:29:21,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 06:29:21,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 06:29:21,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:21,337 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 06:29:21,337 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~N~0#1=0} Honda state: {ULTIMATE.start_main_~N~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 06:29:21,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 06:29:21,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 06:29:21,349 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 06:29:21,349 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:21,368 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 06:29:21,368 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 06:29:21,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 06:29:21,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 06:29:21,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 06:29:21,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:21,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 06:29:21,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,416 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 06:29:21,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 06:29:21,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:21,462 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 06:29:21,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 06:29:21,466 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 06:29:21,466 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 06:29:21,466 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 06:29:21,466 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 06:29:21,466 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 06:29:21,466 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,467 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 06:29:21,467 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 06:29:21,467 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration1_Loop [2024-12-02 06:29:21,467 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 06:29:21,467 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 06:29:21,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:21,562 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 06:29:21,567 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 06:29:21,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,571 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 06:29:21,574 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 [2024-12-02 06:29:21,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 06:29:21,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 06:29:21,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 06:29:21,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 06:29:21,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 06:29:21,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 06:29:21,610 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 06:29:21,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 06:29:21,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,623 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 06:29:21,626 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 [2024-12-02 06:29:21,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 06:29:21,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 06:29:21,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 06:29:21,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 06:29:21,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 06:29:21,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 06:29:21,654 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 06:29:21,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 06:29:21,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,666 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-02 06:29:21,669 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 [2024-12-02 06:29:21,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 06:29:21,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 06:29:21,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 06:29:21,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 06:29:21,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 06:29:21,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 06:29:21,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 06:29:21,687 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 06:29:21,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-02 06:29:21,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,695 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-12-02 06:29:21,697 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 [2024-12-02 06:29:21,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 06:29:21,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 06:29:21,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 06:29:21,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 06:29:21,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 06:29:21,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 06:29:21,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 06:29:21,716 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 06:29:21,720 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-12-02 06:29:21,724 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-12-02 06:29:21,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:21,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:21,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:21,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-12-02 06:29:21,730 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 06:29:21,730 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 06:29:21,730 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 06:29:21,731 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-12-02 06:29:21,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-12-02 06:29:21,740 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-02 06:29:21,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:21,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:29:21,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:21,775 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:29:21,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:29:21,842 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 [2024-12-02 06:29:21,844 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-12-02 06:29:21,884 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 25 states and 35 transitions. Complement of second has 6 states. [2024-12-02 06:29:21,885 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 [2024-12-02 06:29:21,889 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) [2024-12-02 06:29:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2024-12-02 06:29:21,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2024-12-02 06:29:21,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:21,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 6 letters. Loop has 4 letters. [2024-12-02 06:29:21,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:21,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 8 letters. [2024-12-02 06:29:21,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:21,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 35 transitions. [2024-12-02 06:29:21,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 06:29:21,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 11 states and 14 transitions. [2024-12-02 06:29:21,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-12-02 06:29:21,901 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-12-02 06:29:21,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-12-02 06:29:21,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 06:29:21,902 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-12-02 06:29:21,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-12-02 06:29:21,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-12-02 06:29:21,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-12-02 06:29:21,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-12-02 06:29:21,923 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-12-02 06:29:21,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 06:29:21,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:29:21,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:29:21,925 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2024-12-02 06:29:22,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:29:22,020 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2024-12-02 06:29:22,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2024-12-02 06:29:22,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-12-02 06:29:22,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 28 transitions. [2024-12-02 06:29:22,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-12-02 06:29:22,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-12-02 06:29:22,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2024-12-02 06:29:22,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 06:29:22,022 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-12-02 06:29:22,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2024-12-02 06:29:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 12. [2024-12-02 06:29:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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) [2024-12-02 06:29:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-12-02 06:29:22,024 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-12-02 06:29:22,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:29:22,026 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-12-02 06:29:22,026 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 06:29:22,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2024-12-02 06:29:22,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 06:29:22,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:29:22,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:29:22,027 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-12-02 06:29:22,027 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 06:29:22,027 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_~N~0#1;" "assume main_~i~0#1 > 0;" "main_~j~0#1 := main_~N~0#1;" [2024-12-02 06:29:22,027 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 > 0;" "main_~j~0#1 := main_~j~0#1 - 1;" [2024-12-02 06:29:22,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:22,028 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-12-02 06:29:22,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:29:22,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483554902] [2024-12-02 06:29:22,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:22,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:22,035 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:29:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:22,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:29:22,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:22,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times [2024-12-02 06:29:22,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:29:22,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351875779] [2024-12-02 06:29:22,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:22,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:22,044 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:29:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:22,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:29:22,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:22,047 INFO L85 PathProgramCache]: Analyzing trace with hash 889601163, now seen corresponding path program 1 times [2024-12-02 06:29:22,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:29:22,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728456969] [2024-12-02 06:29:22,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:22,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:22,054 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:29:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:22,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:29:22,078 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 06:29:22,078 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 06:29:22,078 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 06:29:22,078 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 06:29:22,078 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 06:29:22,078 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,078 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 06:29:22,078 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 06:29:22,078 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration2_Loop [2024-12-02 06:29:22,078 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 06:29:22,078 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 06:29:22,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,132 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 06:29:22,133 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 06:29:22,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,135 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-12-02 06:29:22,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 06:29:22,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:22,167 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 06:29:22,167 INFO L401 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: [] [2024-12-02 06:29:22,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-12-02 06:29:22,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,176 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 06:29:22,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 06:29:22,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:22,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 06:29:22,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,201 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 06:29:22,204 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 06:29:22,204 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:22,236 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 06:29:22,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-12-02 06:29:22,240 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 06:29:22,240 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 06:29:22,240 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 06:29:22,240 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 06:29:22,240 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 06:29:22,240 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,240 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 06:29:22,240 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 06:29:22,240 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration2_Loop [2024-12-02 06:29:22,240 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 06:29:22,240 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 06:29:22,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,292 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 06:29:22,292 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 06:29:22,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,294 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 06:29:22,297 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 [2024-12-02 06:29:22,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 06:29:22,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 06:29:22,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 06:29:22,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 06:29:22,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 06:29:22,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 06:29:22,319 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 06:29:22,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 06:29:22,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,327 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-12-02 06:29:22,330 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 [2024-12-02 06:29:22,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 06:29:22,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 06:29:22,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 06:29:22,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 06:29:22,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 06:29:22,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 06:29:22,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 06:29:22,349 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 06:29:22,352 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-12-02 06:29:22,352 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-12-02 06:29:22,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,357 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-12-02 06:29:22,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 06:29:22,360 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 06:29:22,360 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 06:29:22,360 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-12-02 06:29:22,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-12-02 06:29:22,374 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-02 06:29:22,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:22,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:29:22,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:22,400 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:29:22,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:29:22,418 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 [2024-12-02 06:29:22,418 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 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) [2024-12-02 06:29:22,441 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. 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 22 states and 28 transitions. Complement of second has 5 states. [2024-12-02 06:29:22,441 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 [2024-12-02 06:29:22,442 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) [2024-12-02 06:29:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-12-02 06:29:22,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2024-12-02 06:29:22,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:22,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-12-02 06:29:22,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:22,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2024-12-02 06:29:22,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:22,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2024-12-02 06:29:22,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 06:29:22,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 19 transitions. [2024-12-02 06:29:22,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-12-02 06:29:22,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-12-02 06:29:22,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2024-12-02 06:29:22,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 06:29:22,445 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-12-02 06:29:22,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2024-12-02 06:29:22,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2024-12-02 06:29:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 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) [2024-12-02 06:29:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2024-12-02 06:29:22,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-12-02 06:29:22,447 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-12-02 06:29:22,447 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 06:29:22,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2024-12-02 06:29:22,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 06:29:22,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:29:22,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:29:22,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-12-02 06:29:22,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 06:29:22,449 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_~N~0#1;" "assume main_~i~0#1 > 0;" "main_~j~0#1 := main_~N~0#1;" "assume main_~j~0#1 > 0;" "main_~j~0#1 := main_~j~0#1 - 1;" "assume !(main_~j~0#1 > 0);" "main_~i~0#1 := main_~i~0#1 - 1;" "assume main_~i~0#1 > 0;" "main_~j~0#1 := main_~N~0#1;" [2024-12-02 06:29:22,449 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 > 0;" "main_~j~0#1 := main_~j~0#1 - 1;" [2024-12-02 06:29:22,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:22,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1757906667, now seen corresponding path program 1 times [2024-12-02 06:29:22,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:29:22,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762786953] [2024-12-02 06:29:22,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:22,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:22,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 06:29:22,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762786953] [2024-12-02 06:29:22,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762786953] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:29:22,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214974403] [2024-12-02 06:29:22,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:22,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:29:22,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,547 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-02 06:29:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:22,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 06:29:22,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:22,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:29:22,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214974403] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:29:22,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:29:22,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-12-02 06:29:22,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240894835] [2024-12-02 06:29:22,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:29:22,716 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-12-02 06:29:22,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:22,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 2 times [2024-12-02 06:29:22,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:29:22,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804474377] [2024-12-02 06:29:22,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:22,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:22,720 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:29:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:29:22,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:29:22,738 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 06:29:22,738 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 06:29:22,738 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 06:29:22,738 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 06:29:22,738 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 06:29:22,738 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,738 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 06:29:22,738 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 06:29:22,738 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration3_Loop [2024-12-02 06:29:22,738 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 06:29:22,738 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 06:29:22,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,780 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 06:29:22,780 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 06:29:22,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,782 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-12-02 06:29:22,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 06:29:22,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:22,807 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 06:29:22,807 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 06:29:22,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-12-02 06:29:22,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,815 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-12-02 06:29:22,818 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 06:29:22,818 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:22,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-12-02 06:29:22,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,841 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-12-02 06:29:22,844 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 06:29:22,844 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 06:29:22,875 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 06:29:22,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-12-02 06:29:22,878 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 06:29:22,879 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 06:29:22,879 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 06:29:22,879 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 06:29:22,879 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 06:29:22,879 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,879 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 06:29:22,879 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 06:29:22,879 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration3_Loop [2024-12-02 06:29:22,879 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 06:29:22,879 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 06:29:22,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 06:29:22,924 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 06:29:22,924 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 06:29:22,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,927 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-12-02 06:29:22,929 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 [2024-12-02 06:29:22,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 06:29:22,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 06:29:22,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 06:29:22,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 06:29:22,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 06:29:22,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 06:29:22,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-12-02 06:29:22,969 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 06:29:22,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-12-02 06:29:22,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-12-02 06:29:22,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:22,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:22,980 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:22,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-12-02 06:29:22,983 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 [2024-12-02 06:29:22,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 06:29:22,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 06:29:22,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 06:29:22,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 06:29:22,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 06:29:22,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 06:29:22,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 06:29:23,000 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 06:29:23,003 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-12-02 06:29:23,003 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-12-02 06:29:23,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:29:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:29:23,005 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:29:23,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-12-02 06:29:23,008 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 06:29:23,008 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 06:29:23,008 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 06:29:23,008 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-12-02 06:29:23,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-12-02 06:29:23,015 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-02 06:29:23,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:23,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:29:23,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:23,051 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:29:23,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:29:23,065 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 [2024-12-02 06:29:23,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 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) [2024-12-02 06:29:23,082 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. 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 17 states and 21 transitions. Complement of second has 5 states. [2024-12-02 06:29:23,082 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 [2024-12-02 06:29:23,083 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) [2024-12-02 06:29:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-12-02 06:29:23,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 10 letters. Loop has 2 letters. [2024-12-02 06:29:23,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:23,083 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 06:29:23,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:23,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:29:23,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:23,118 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:29:23,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:29:23,130 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 [2024-12-02 06:29:23,130 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 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) [2024-12-02 06:29:23,144 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. 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 17 states and 21 transitions. Complement of second has 5 states. [2024-12-02 06:29:23,144 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 [2024-12-02 06:29:23,145 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) [2024-12-02 06:29:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-12-02 06:29:23,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 10 letters. Loop has 2 letters. [2024-12-02 06:29:23,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:23,145 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 06:29:23,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:23,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:29:23,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:23,182 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:29:23,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:29:23,196 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 [2024-12-02 06:29:23,196 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 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) [2024-12-02 06:29:23,212 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. 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 15 states and 19 transitions. Complement of second has 4 states. [2024-12-02 06:29:23,212 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 [2024-12-02 06:29:23,213 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) [2024-12-02 06:29:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-12-02 06:29:23,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2024-12-02 06:29:23,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:23,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 12 letters. Loop has 2 letters. [2024-12-02 06:29:23,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:23,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2024-12-02 06:29:23,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 06:29:23,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2024-12-02 06:29:23,215 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 06:29:23,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2024-12-02 06:29:23,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 06:29:23,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 06:29:23,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 06:29:23,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 06:29:23,216 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:29:23,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:29:23,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 06:29:23,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:29:23,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:29:23,217 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 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) [2024-12-02 06:29:23,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:29:23,217 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-12-02 06:29:23,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-12-02 06:29:23,217 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 06:29:23,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:29:23,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 06:29:23,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 06:29:23,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 06:29:23,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 06:29:23,218 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:29:23,218 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:29:23,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:29:23,218 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:29:23,218 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 06:29:23,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:29:23,219 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 06:29:23,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 06:29:23,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:29:23 BoogieIcfgContainer [2024-12-02 06:29:23,228 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 06:29:23,228 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:29:23,228 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:29:23,228 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:29:23,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:29:20" (3/4) ... [2024-12-02 06:29:23,231 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:29:23,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:29:23,233 INFO L158 Benchmark]: Toolchain (without parser) took 3085.09ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 73.4MB in the end (delta: 19.6MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-12-02 06:29:23,233 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:29:23,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.36ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 83.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:29:23,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.53ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.1MB in the end (delta: 889.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:29:23,234 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.3MB in the end (delta: 864.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:29:23,235 INFO L158 Benchmark]: RCFGBuilder took 171.96ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 72.8MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:29:23,235 INFO L158 Benchmark]: BuchiAutomizer took 2688.39ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 74.1MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:29:23,235 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.4MB in the end (delta: 714.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:29:23,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.36ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 83.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.53ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.1MB in the end (delta: 889.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.3MB in the end (delta: 864.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 171.96ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 72.8MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2688.39ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 74.1MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.4MB in the end (delta: 714.9kB). 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function j and consists of 3 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 29 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax210 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 06:29:23,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-12-02 06:29:23,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-02 06:29:23,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:29:23,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a77327-f5dc-4203-aaf4-3fa3c62564e5/bin/uautomizer-verify-84ZbGMXZE1/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