./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX --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 30e0974778487c3ac56035f1f8ab25ce73456d36b8987ec761ccfaf99f917331 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:25:12,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:25:12,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-08 17:25:12,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:25:12,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:25:12,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:25:12,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:25:12,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:25:12,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:25:12,464 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:25:12,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:25:12,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:25:12,466 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:25:12,466 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 17:25:12,467 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 17:25:12,467 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 17:25:12,467 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 17:25:12,468 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 17:25:12,468 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 17:25:12,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:25:12,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 17:25:12,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:25:12,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:25:12,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 17:25:12,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 17:25:12,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 17:25:12,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:25:12,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:25:12,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:25:12,475 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 17:25:12,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:25:12,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:25:12,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:25:12,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:25:12,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:25:12,479 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 17:25:12,479 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30e0974778487c3ac56035f1f8ab25ce73456d36b8987ec761ccfaf99f917331 [2024-11-08 17:25:12,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:25:12,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:25:12,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:25:12,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:25:12,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:25:12,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig1.c Unable to find full path for "g++" [2024-11-08 17:25:14,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:25:15,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:25:15,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig1.c [2024-11-08 17:25:15,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/data/a7adf64ec/760ab2297fa042f3aa7047e78e57a3e9/FLAG0b145cd35 [2024-11-08 17:25:15,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/data/a7adf64ec/760ab2297fa042f3aa7047e78e57a3e9 [2024-11-08 17:25:15,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:25:15,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:25:15,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:25:15,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:25:15,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:25:15,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a909bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15, skipping insertion in model container [2024-11-08 17:25:15,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:25:15,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:25:15,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:25:15,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:25:15,649 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:25:15,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15 WrapperNode [2024-11-08 17:25:15,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:25:15,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:25:15,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:25:15,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:25:15,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,678 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-08 17:25:15,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:25:15,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:25:15,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:25:15,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:25:15,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,695 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:25:15,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:25:15,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:25:15,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:25:15,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:25:15,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (1/1) ... [2024-11-08 17:25:15,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:15,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:15,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:15,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 17:25:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:25:15,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:25:15,848 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:25:15,850 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:25:15,936 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 17:25:15,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:25:15,948 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:25:15,948 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:25:15,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:25:15 BoogieIcfgContainer [2024-11-08 17:25:15,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:25:15,950 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 17:25:15,950 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 17:25:15,954 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 17:25:15,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:25:15,955 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 05:25:15" (1/3) ... [2024-11-08 17:25:15,958 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76b52495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:25:15, skipping insertion in model container [2024-11-08 17:25:15,958 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:25:15,958 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:15" (2/3) ... [2024-11-08 17:25:15,958 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76b52495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:25:15, skipping insertion in model container [2024-11-08 17:25:15,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:25:15,959 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:25:15" (3/3) ... [2024-11-08 17:25:15,960 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-Fig1.c [2024-11-08 17:25:16,016 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 17:25:16,017 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 17:25:16,017 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 17:25:16,017 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 17:25:16,017 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 17:25:16,017 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 17:25:16,018 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 17:25:16,018 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 17:25:16,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:16,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-08 17:25:16,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:25:16,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:25:16,043 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 17:25:16,043 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:25:16,043 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 17:25:16,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:16,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-08 17:25:16,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:25:16,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:25:16,047 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 17:25:16,047 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:25:16,054 INFO L745 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~short3#1, main_~x~0#1, main_~y~0#1, main_~m~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~m~0#1;main_~y~0#1 := 0;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_~m~0#1; 8#L18-3true [2024-11-08 17:25:16,054 INFO L747 eck$LassoCheckResult]: Loop: 8#L18-3true assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 4#L18-1true assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 13#L19true assume !(0 != main_#t~nondet1#1);havoc main_#t~nondet1#1; 2#L19-2true main_~y~0#1 := main_~y~0#1 - 1; 8#L18-3true [2024-11-08 17:25:16,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:16,061 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-08 17:25:16,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:16,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986303739] [2024-11-08 17:25:16,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:16,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:16,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:16,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:16,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:16,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1113960, now seen corresponding path program 1 times [2024-11-08 17:25:16,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:16,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218038760] [2024-11-08 17:25:16,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:16,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:16,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:16,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:16,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:16,227 INFO L85 PathProgramCache]: Analyzing trace with hash 889541162, now seen corresponding path program 1 times [2024-11-08 17:25:16,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:16,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645296484] [2024-11-08 17:25:16,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:16,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:16,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:16,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:16,333 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:16,334 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:16,339 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:16,339 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:16,339 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:25:16,339 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:16,339 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:16,343 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:16,344 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration1_Loop [2024-11-08 17:25:16,344 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:16,344 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:16,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,489 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:16,489 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:25:16,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:16,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:16,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:16,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 17:25:16,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:16,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:16,525 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:16,525 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: [] [2024-11-08 17:25:16,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-08 17:25:16,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:16,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:16,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:16,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 17:25:16,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:16,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:16,577 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:16,577 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: [] [2024-11-08 17:25:16,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-08 17:25:16,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:16,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:16,597 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:16,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 17:25:16,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:16,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:16,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-08 17:25:16,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:16,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:16,639 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:16,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 17:25:16,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:25:16,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:16,684 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:25:16,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-08 17:25:16,689 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:16,689 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:16,689 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:16,689 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:16,690 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:25:16,690 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:16,690 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:16,690 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:16,690 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration1_Loop [2024-11-08 17:25:16,690 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:16,690 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:16,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:16,811 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:16,815 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:25:16,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:16,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:16,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:16,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-08 17:25:16,822 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 [2024-11-08 17:25:16,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:16,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:16,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:16,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:16,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:16,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:16,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:16,848 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:25:16,851 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 17:25:16,851 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 17:25:16,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:16,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:16,855 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:16,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-08 17:25:16,858 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:25:16,858 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:25:16,859 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:25:16,860 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2024-11-08 17:25:16,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-08 17:25:16,887 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:25:16,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:16,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:16,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:16,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:25:16,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:17,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-08 17:25:17,076 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2024-11-08 17:25:17,159 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 43 states and 63 transitions. Complement of second has 6 states. [2024-11-08 17:25:17,161 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 [2024-11-08 17:25:17,168 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) [2024-11-08 17:25:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2024-11-08 17:25:17,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-08 17:25:17,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:17,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-08 17:25:17,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:17,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-08 17:25:17,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:17,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 63 transitions. [2024-11-08 17:25:17,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-08 17:25:17,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 24 states and 33 transitions. [2024-11-08 17:25:17,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-08 17:25:17,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-08 17:25:17,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2024-11-08 17:25:17,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:25:17,185 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2024-11-08 17:25:17,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2024-11-08 17:25:17,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-08 17:25:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2024-11-08 17:25:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2024-11-08 17:25:17,205 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2024-11-08 17:25:17,205 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2024-11-08 17:25:17,205 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 17:25:17,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2024-11-08 17:25:17,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-08 17:25:17,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:25:17,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:25:17,207 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:25:17,207 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-08 17:25:17,207 INFO L745 eck$LassoCheckResult]: Stem: 116#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 117#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~short3#1, main_~x~0#1, main_~y~0#1, main_~m~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~m~0#1;main_~y~0#1 := 0;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_~m~0#1; 111#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 103#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 104#L19 assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1; 107#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 108#L20-1 assume !main_#t~short3#1; 112#L20-3 assume !!main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1;main_~y~0#1 := 1 + main_~y~0#1; 113#L20-5 [2024-11-08 17:25:17,208 INFO L747 eck$LassoCheckResult]: Loop: 113#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 122#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 121#L20-3 assume !!main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1;main_~y~0#1 := 1 + main_~y~0#1; 113#L20-5 [2024-11-08 17:25:17,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:17,208 INFO L85 PathProgramCache]: Analyzing trace with hash 149921650, now seen corresponding path program 1 times [2024-11-08 17:25:17,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:17,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203717767] [2024-11-08 17:25:17,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:17,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:17,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:25:17,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203717767] [2024-11-08 17:25:17,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203717767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:25:17,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:25:17,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:25:17,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448268572] [2024-11-08 17:25:17,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:25:17,278 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-08 17:25:17,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:17,279 INFO L85 PathProgramCache]: Analyzing trace with hash 47769, now seen corresponding path program 1 times [2024-11-08 17:25:17,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:17,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848682147] [2024-11-08 17:25:17,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:17,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:17,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:17,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:17,363 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:17,364 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:17,364 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:17,364 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:17,364 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:25:17,364 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,364 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:17,364 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:17,364 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration2_Loop [2024-11-08 17:25:17,364 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:17,364 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:17,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,437 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:17,437 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:25:17,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:17,440 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:17,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-08 17:25:17,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:17,443 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:17,468 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:17,468 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: [] [2024-11-08 17:25:17,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:17,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:17,489 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:17,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-08 17:25:17,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:17,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:17,517 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:17,517 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:17,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:17,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:17,534 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:17,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-08 17:25:17,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:17,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:17,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:17,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:17,567 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:17,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-08 17:25:17,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:25:17,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:17,715 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:25:17,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:17,719 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:17,719 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:17,719 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:17,719 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:17,719 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:25:17,719 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,719 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:17,719 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:17,719 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration2_Loop [2024-11-08 17:25:17,720 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:17,720 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:17,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:17,808 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:17,809 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:25:17,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:17,812 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:17,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-08 17:25:17,814 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 [2024-11-08 17:25:17,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:17,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:17,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:17,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:17,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 17:25:17,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 17:25:17,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:17,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:17,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:17,864 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:17,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-08 17:25:17,867 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 [2024-11-08 17:25:17,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:17,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:17,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:17,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:17,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 17:25:17,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 17:25:17,895 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:17,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-08 17:25:17,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:17,915 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:17,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-08 17:25:17,916 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 [2024-11-08 17:25:17,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:17,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:17,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:17,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:17,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:17,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:17,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:17,941 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:25:17,945 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 17:25:17,945 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 17:25:17,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:17,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:17,947 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:17,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-08 17:25:17,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:25:17,951 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:25:17,951 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:25:17,951 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~m~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~m~0#1 + 1 Supporting invariants [] [2024-11-08 17:25:17,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-08 17:25:17,973 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:25:18,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:18,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:18,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:18,042 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:25:18,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:18,134 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 17:25:18,135 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:18,193 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 67 transitions. Complement of second has 10 states. [2024-11-08 17:25:18,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-08 17:25:18,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:18,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 35 transitions. [2024-11-08 17:25:18,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-08 17:25:18,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:18,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 11 letters. Loop has 3 letters. [2024-11-08 17:25:18,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:18,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 8 letters. Loop has 6 letters. [2024-11-08 17:25:18,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:18,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2024-11-08 17:25:18,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-08 17:25:18,199 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 36 states and 49 transitions. [2024-11-08 17:25:18,199 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-11-08 17:25:18,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2024-11-08 17:25:18,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 49 transitions. [2024-11-08 17:25:18,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:25:18,200 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-08 17:25:18,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 49 transitions. [2024-11-08 17:25:18,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2024-11-08 17:25:18,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 29 states have internal predecessors, (43), 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) [2024-11-08 17:25:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2024-11-08 17:25:18,203 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 43 transitions. [2024-11-08 17:25:18,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:25:18,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:25:18,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:25:18,207 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-08 17:25:18,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:25:18,222 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2024-11-08 17:25:18,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2024-11-08 17:25:18,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-08 17:25:18,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 33 states and 43 transitions. [2024-11-08 17:25:18,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-11-08 17:25:18,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-08 17:25:18,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2024-11-08 17:25:18,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:25:18,226 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-11-08 17:25:18,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2024-11-08 17:25:18,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2024-11-08 17:25:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 29 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2024-11-08 17:25:18,230 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2024-11-08 17:25:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:25:18,231 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2024-11-08 17:25:18,232 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 17:25:18,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 40 transitions. [2024-11-08 17:25:18,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-08 17:25:18,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:25:18,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:25:18,233 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:25:18,234 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:25:18,234 INFO L745 eck$LassoCheckResult]: Stem: 313#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 314#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~short3#1, main_~x~0#1, main_~y~0#1, main_~m~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~m~0#1;main_~y~0#1 := 0;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_~m~0#1; 308#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 300#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 301#L19 assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1; 318#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 323#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 309#L20-3 assume !!main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1;main_~y~0#1 := 1 + main_~y~0#1; 310#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 315#L20-1 assume !main_#t~short3#1; 316#L20-3 [2024-11-08 17:25:18,234 INFO L747 eck$LassoCheckResult]: Loop: 316#L20-3 assume !main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1; 319#L20-6 main_~x~0#1 := main_~x~0#1 - 1; 296#L19-2 main_~y~0#1 := main_~y~0#1 - 1; 297#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 322#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 321#L19 assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1; 304#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 305#L20-1 assume !main_#t~short3#1; 316#L20-3 [2024-11-08 17:25:18,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:18,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1954241415, now seen corresponding path program 1 times [2024-11-08 17:25:18,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:18,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062945705] [2024-11-08 17:25:18,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:18,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:18,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:18,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:18,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1708203824, now seen corresponding path program 1 times [2024-11-08 17:25:18,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:18,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618785817] [2024-11-08 17:25:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:18,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:18,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:18,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:18,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:18,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1193046712, now seen corresponding path program 1 times [2024-11-08 17:25:18,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:18,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083215562] [2024-11-08 17:25:18,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:18,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:18,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:18,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-08 17:25:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:18,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:25:18,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083215562] [2024-11-08 17:25:18,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083215562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:25:18,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849797806] [2024-11-08 17:25:18,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:18,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:25:18,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:18,592 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:25:18,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 17:25:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:18,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:25:18,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:18,855 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:25:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:19,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849797806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:25:19,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:25:19,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-08 17:25:19,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453455941] [2024-11-08 17:25:19,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:25:19,099 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:19,100 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:19,100 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:19,100 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:19,100 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:25:19,100 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:19,100 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:19,100 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:19,100 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration3_Loop [2024-11-08 17:25:19,100 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:19,100 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:19,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,217 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:19,217 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:25:19,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:19,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:19,219 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:19,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-08 17:25:19,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:19,222 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:19,241 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:19,242 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep(ite ULTIMATE.start_main_#t~short3#1 1 0)_3=0} Honda state: {v_rep(ite ULTIMATE.start_main_#t~short3#1 1 0)_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:19,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:19,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:19,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:19,255 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:19,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-08 17:25:19,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:19,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:19,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:19,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:19,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:19,285 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:19,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-08 17:25:19,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:25:19,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:19,397 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:25:19,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:19,400 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:19,401 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:19,401 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:19,401 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:19,401 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:25:19,401 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:19,401 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:19,401 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:19,401 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration3_Loop [2024-11-08 17:25:19,401 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:19,401 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:19,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:19,511 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:19,514 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:25:19,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:19,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:19,516 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:19,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-08 17:25:19,519 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 [2024-11-08 17:25:19,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:19,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:19,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:19,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:19,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:19,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:19,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:19,539 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:19,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:19,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:19,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:19,561 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:19,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-08 17:25:19,563 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 [2024-11-08 17:25:19,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:19,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:19,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:19,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:19,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:19,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:19,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:19,580 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:25:19,585 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-08 17:25:19,585 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 17:25:19,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:19,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:19,587 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:19,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-08 17:25:19,589 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:25:19,589 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:25:19,589 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:25:19,589 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-08 17:25:19,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-08 17:25:19,608 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:25:19,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:19,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:19,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:19,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:25:19,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:19,721 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 17:25:19,722 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 40 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:19,760 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 40 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 88 states and 116 transitions. Complement of second has 7 states. [2024-11-08 17:25:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-08 17:25:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-11-08 17:25:19,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-08 17:25:19,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:19,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 18 letters. Loop has 8 letters. [2024-11-08 17:25:19,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:19,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 10 letters. Loop has 16 letters. [2024-11-08 17:25:19,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:19,763 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 116 transitions. [2024-11-08 17:25:19,768 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-11-08 17:25:19,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 72 states and 94 transitions. [2024-11-08 17:25:19,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2024-11-08 17:25:19,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2024-11-08 17:25:19,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 94 transitions. [2024-11-08 17:25:19,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:25:19,770 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 94 transitions. [2024-11-08 17:25:19,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 94 transitions. [2024-11-08 17:25:19,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2024-11-08 17:25:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 69 states have internal predecessors, (92), 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) [2024-11-08 17:25:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2024-11-08 17:25:19,776 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 92 transitions. [2024-11-08 17:25:19,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:25:19,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 17:25:19,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:25:19,777 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 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) [2024-11-08 17:25:20,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:25:20,274 INFO L93 Difference]: Finished difference Result 125 states and 153 transitions. [2024-11-08 17:25:20,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 153 transitions. [2024-11-08 17:25:20,280 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 44 [2024-11-08 17:25:20,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 108 states and 132 transitions. [2024-11-08 17:25:20,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2024-11-08 17:25:20,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2024-11-08 17:25:20,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:20,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 108 states and 132 transitions. [2024-11-08 17:25:20,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:25:20,288 INFO L218 hiAutomatonCegarLoop]: Abstraction has 108 states and 132 transitions. [2024-11-08 17:25:20,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states and 132 transitions. [2024-11-08 17:25:20,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 89. [2024-11-08 17:25:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 88 states have internal predecessors, (112), 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) [2024-11-08 17:25:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 112 transitions. [2024-11-08 17:25:20,299 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 112 transitions. [2024-11-08 17:25:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 17:25:20,300 INFO L425 stractBuchiCegarLoop]: Abstraction has 89 states and 112 transitions. [2024-11-08 17:25:20,300 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 17:25:20,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 112 transitions. [2024-11-08 17:25:20,305 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 39 [2024-11-08 17:25:20,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:25:20,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:25:20,306 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:25:20,306 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:25:20,306 INFO L745 eck$LassoCheckResult]: Stem: 855#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 856#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~short3#1, main_~x~0#1, main_~y~0#1, main_~m~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~m~0#1;main_~y~0#1 := 0;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_~m~0#1; 859#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 840#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 841#L19 assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1; 858#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 924#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 923#L20-3 assume !!main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1;main_~y~0#1 := 1 + main_~y~0#1; 844#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 845#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 849#L20-3 assume !main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1; 850#L20-6 [2024-11-08 17:25:20,306 INFO L747 eck$LassoCheckResult]: Loop: 850#L20-6 main_~x~0#1 := main_~x~0#1 - 1; 860#L19-2 main_~y~0#1 := main_~y~0#1 - 1; 912#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 909#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 908#L19 assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1; 907#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 905#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 900#L20-3 assume !main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1; 850#L20-6 [2024-11-08 17:25:20,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:20,307 INFO L85 PathProgramCache]: Analyzing trace with hash -451941756, now seen corresponding path program 1 times [2024-11-08 17:25:20,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:20,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277408444] [2024-11-08 17:25:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:20,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:20,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:20,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:20,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:20,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1469021740, now seen corresponding path program 1 times [2024-11-08 17:25:20,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:20,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102806394] [2024-11-08 17:25:20,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:20,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:20,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:20,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:20,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:20,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2063284567, now seen corresponding path program 1 times [2024-11-08 17:25:20,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:20,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054274751] [2024-11-08 17:25:20,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:20,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:20,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:20,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:20,434 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:20,434 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:20,435 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:20,435 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:20,435 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:25:20,435 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,435 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:20,435 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:20,435 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration4_Loop [2024-11-08 17:25:20,436 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:20,436 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:20,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,529 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:20,529 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:25:20,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:20,533 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-08 17:25:20,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:20,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:20,547 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:20,547 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep(ite ULTIMATE.start_main_#t~short3#1 1 0)_5=0} Honda state: {v_rep(ite ULTIMATE.start_main_#t~short3#1 1 0)_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:20,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-08 17:25:20,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:20,562 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-08 17:25:20,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:20,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:20,577 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:20,577 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:20,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-08 17:25:20,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:20,594 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-08 17:25:20,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:20,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:20,617 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:20,618 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:20,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:20,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:20,631 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:20,633 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:20,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-08 17:25:20,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-08 17:25:20,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:20,657 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-08 17:25:20,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:25:20,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:20,727 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:25:20,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:20,730 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:20,730 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:20,730 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:20,730 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:20,730 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:25:20,730 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,731 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:20,731 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:20,731 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration4_Loop [2024-11-08 17:25:20,731 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:20,731 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:20,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:20,832 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:20,833 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:25:20,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:20,835 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-08 17:25:20,837 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 [2024-11-08 17:25:20,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:20,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:20,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:20,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:20,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:20,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:20,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:20,851 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:20,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:20,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:20,864 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-08 17:25:20,867 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 [2024-11-08 17:25:20,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:20,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:20,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:20,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:20,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:20,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:20,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:20,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:20,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:20,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:20,893 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-08 17:25:20,896 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 [2024-11-08 17:25:20,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:20,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:20,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:20,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:20,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:20,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:20,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:20,911 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:25:20,914 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 17:25:20,914 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-08 17:25:20,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:20,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:20,916 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-08 17:25:20,917 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:25:20,918 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:25:20,918 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:25:20,918 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-08 17:25:20,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-08 17:25:20,930 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:25:20,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:20,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:20,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:20,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:25:20,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:21,023 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 17:25:21,023 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 112 transitions. cyclomatic complexity: 30 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:21,054 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 112 transitions. cyclomatic complexity: 30. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 234 states and 299 transitions. Complement of second has 6 states. [2024-11-08 17:25:21,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-08 17:25:21,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2024-11-08 17:25:21,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 11 letters. Loop has 8 letters. [2024-11-08 17:25:21,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:21,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 19 letters. Loop has 8 letters. [2024-11-08 17:25:21,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:21,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 11 letters. Loop has 16 letters. [2024-11-08 17:25:21,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:21,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 234 states and 299 transitions. [2024-11-08 17:25:21,059 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 22 [2024-11-08 17:25:21,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 234 states to 183 states and 231 transitions. [2024-11-08 17:25:21,061 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2024-11-08 17:25:21,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2024-11-08 17:25:21,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183 states and 231 transitions. [2024-11-08 17:25:21,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:25:21,062 INFO L218 hiAutomatonCegarLoop]: Abstraction has 183 states and 231 transitions. [2024-11-08 17:25:21,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states and 231 transitions. [2024-11-08 17:25:21,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 137. [2024-11-08 17:25:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 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) [2024-11-08 17:25:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 177 transitions. [2024-11-08 17:25:21,071 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2024-11-08 17:25:21,071 INFO L425 stractBuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2024-11-08 17:25:21,071 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-08 17:25:21,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 177 transitions. [2024-11-08 17:25:21,073 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-08 17:25:21,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:25:21,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:25:21,073 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:25:21,073 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:25:21,074 INFO L745 eck$LassoCheckResult]: Stem: 1255#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1256#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~short3#1, main_~x~0#1, main_~y~0#1, main_~m~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~m~0#1;main_~y~0#1 := 0;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_~m~0#1; 1262#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 1280#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 1279#L19 assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1; 1278#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 1277#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 1275#L20-3 assume !!main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1;main_~y~0#1 := 1 + main_~y~0#1; 1271#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 1269#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 1270#L20-3 assume !main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1; 1263#L20-6 main_~x~0#1 := main_~x~0#1 - 1; 1264#L19-2 main_~y~0#1 := main_~y~0#1 - 1; 1374#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 1370#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 1244#L19 [2024-11-08 17:25:21,074 INFO L747 eck$LassoCheckResult]: Loop: 1244#L19 assume !(0 != main_#t~nondet1#1);havoc main_#t~nondet1#1; 1239#L19-2 main_~y~0#1 := main_~y~0#1 - 1; 1240#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 1243#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 1244#L19 [2024-11-08 17:25:21,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1369533331, now seen corresponding path program 2 times [2024-11-08 17:25:21,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:21,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851981246] [2024-11-08 17:25:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:21,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:21,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:21,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:21,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:21,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2001960, now seen corresponding path program 2 times [2024-11-08 17:25:21,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:21,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394735549] [2024-11-08 17:25:21,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:21,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:21,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:21,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:21,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:21,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2063927956, now seen corresponding path program 1 times [2024-11-08 17:25:21,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:21,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568389382] [2024-11-08 17:25:21,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:21,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:21,157 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 17:25:21,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:25:21,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568389382] [2024-11-08 17:25:21,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568389382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:25:21,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968218650] [2024-11-08 17:25:21,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:21,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:25:21,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,159 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-08 17:25:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:21,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:25:21,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 17:25:21,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:25:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 17:25:21,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968218650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:25:21,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:25:21,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-08 17:25:21,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714809532] [2024-11-08 17:25:21,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:25:21,296 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:21,296 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:21,296 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:21,296 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:21,296 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:25:21,296 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,296 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:21,296 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:21,296 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration5_Loop [2024-11-08 17:25:21,296 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:21,296 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:21,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,364 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:21,365 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:25:21,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,367 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-08 17:25:21,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:21,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:21,394 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:21,395 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:21,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-08 17:25:21,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,414 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-08 17:25:21,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:21,418 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:21,442 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:21,442 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_9=1} Honda state: {v_rep~unnamed0~0~true_9=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:21,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:21,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,455 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-08 17:25:21,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:21,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:21,476 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:21,476 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_9=0} Honda state: {v_rep~unnamed0~0~false_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:21,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-08 17:25:21,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,492 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-08 17:25:21,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:21,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:21,509 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:21,509 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:21,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:21,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,525 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-08 17:25:21,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:21,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:21,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-08 17:25:21,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,551 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-08 17:25:21,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:25:21,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:21,623 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:25:21,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:21,626 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:21,626 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:21,626 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:21,626 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:21,626 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:25:21,626 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,626 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:21,627 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:21,627 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration5_Loop [2024-11-08 17:25:21,627 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:21,627 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:21,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:21,689 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:21,689 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:25:21,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,691 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-08 17:25:21,694 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 [2024-11-08 17:25:21,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:21,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:21,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:21,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:21,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:21,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:21,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:21,714 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:21,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:21,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,735 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-08 17:25:21,738 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 [2024-11-08 17:25:21,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:21,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:21,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:21,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:21,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 17:25:21,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 17:25:21,761 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:21,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-08 17:25:21,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,781 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-08 17:25:21,784 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 [2024-11-08 17:25:21,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:21,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:21,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:21,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:21,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:21,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:21,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:21,803 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:21,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:21,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,824 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-08 17:25:21,827 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 [2024-11-08 17:25:21,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:21,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:21,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:21,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:21,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 17:25:21,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 17:25:21,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:21,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:21,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,869 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-08 17:25:21,872 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 [2024-11-08 17:25:21,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:21,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:21,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:21,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:21,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:21,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:21,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:21,887 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:25:21,889 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 17:25:21,889 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-08 17:25:21,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:21,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:21,891 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:21,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-08 17:25:21,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:25:21,892 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:25:21,892 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:25:21,892 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-08 17:25:21,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:21,904 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:25:21,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:21,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:21,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:21,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:25:21,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:21,984 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 17:25:21,984 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 177 transitions. cyclomatic complexity: 52 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-08 17:25:22,018 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 177 transitions. cyclomatic complexity: 52. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 151 states and 193 transitions. Complement of second has 7 states. [2024-11-08 17:25:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-08 17:25:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-08 17:25:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-08 17:25:22,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 15 letters. Loop has 4 letters. [2024-11-08 17:25:22,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:22,024 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-08 17:25:22,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:22,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:22,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:22,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:25:22,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:22,107 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 17:25:22,108 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 177 transitions. cyclomatic complexity: 52 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-08 17:25:22,140 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 177 transitions. cyclomatic complexity: 52. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 151 states and 193 transitions. Complement of second has 9 states. [2024-11-08 17:25:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-08 17:25:22,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-08 17:25:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-08 17:25:22,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 15 letters. Loop has 4 letters. [2024-11-08 17:25:22,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:22,146 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-08 17:25:22,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:22,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:22,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:22,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:25:22,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:22,233 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 3 loop predicates [2024-11-08 17:25:22,233 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 177 transitions. cyclomatic complexity: 52 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-08 17:25:22,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 177 transitions. cyclomatic complexity: 52. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 275 states and 379 transitions. Complement of second has 8 states. [2024-11-08 17:25:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-08 17:25:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-08 17:25:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2024-11-08 17:25:22,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 15 letters. Loop has 4 letters. [2024-11-08 17:25:22,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:22,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 19 letters. Loop has 4 letters. [2024-11-08 17:25:22,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:22,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 15 letters. Loop has 8 letters. [2024-11-08 17:25:22,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:22,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 379 transitions. [2024-11-08 17:25:22,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-08 17:25:22,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 204 states and 277 transitions. [2024-11-08 17:25:22,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-11-08 17:25:22,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-11-08 17:25:22,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 277 transitions. [2024-11-08 17:25:22,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:25:22,278 INFO L218 hiAutomatonCegarLoop]: Abstraction has 204 states and 277 transitions. [2024-11-08 17:25:22,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 277 transitions. [2024-11-08 17:25:22,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 173. [2024-11-08 17:25:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 173 states have (on average 1.369942196531792) internal successors, (237), 172 states have internal predecessors, (237), 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) [2024-11-08 17:25:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 237 transitions. [2024-11-08 17:25:22,293 INFO L240 hiAutomatonCegarLoop]: Abstraction has 173 states and 237 transitions. [2024-11-08 17:25:22,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:25:22,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:25:22,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:25:22,294 INFO L87 Difference]: Start difference. First operand 173 states and 237 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:25:22,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:25:22,327 INFO L93 Difference]: Finished difference Result 160 states and 210 transitions. [2024-11-08 17:25:22,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 210 transitions. [2024-11-08 17:25:22,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-08 17:25:22,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 142 states and 192 transitions. [2024-11-08 17:25:22,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-08 17:25:22,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-11-08 17:25:22,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 192 transitions. [2024-11-08 17:25:22,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:25:22,331 INFO L218 hiAutomatonCegarLoop]: Abstraction has 142 states and 192 transitions. [2024-11-08 17:25:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 192 transitions. [2024-11-08 17:25:22,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 133. [2024-11-08 17:25:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 133 states have (on average 1.3759398496240602) internal successors, (183), 132 states have internal predecessors, (183), 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) [2024-11-08 17:25:22,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 183 transitions. [2024-11-08 17:25:22,337 INFO L240 hiAutomatonCegarLoop]: Abstraction has 133 states and 183 transitions. [2024-11-08 17:25:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:25:22,338 INFO L425 stractBuchiCegarLoop]: Abstraction has 133 states and 183 transitions. [2024-11-08 17:25:22,338 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-08 17:25:22,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 183 transitions. [2024-11-08 17:25:22,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-08 17:25:22,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:25:22,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:25:22,340 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 17:25:22,340 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-08 17:25:22,340 INFO L745 eck$LassoCheckResult]: Stem: 2630#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2631#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~short3#1, main_~x~0#1, main_~y~0#1, main_~m~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~m~0#1;main_~y~0#1 := 0;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_~m~0#1; 2628#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 2616#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 2617#L19 assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1; 2649#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 2648#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 2646#L20-3 assume !!main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1;main_~y~0#1 := 1 + main_~y~0#1; 2642#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 2640#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 2641#L20-3 assume !main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1; 2741#L20-6 main_~x~0#1 := main_~x~0#1 - 1; 2740#L19-2 main_~y~0#1 := main_~y~0#1 - 1; 2739#L18-3 assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0; 2738#L18-1 assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);havoc main_#t~nondet1#1; 2650#L19 assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1; 2621#L20-5 [2024-11-08 17:25:22,340 INFO L747 eck$LassoCheckResult]: Loop: 2621#L20-5 main_#t~short3#1 := main_~y~0#1 <= main_~m~0#1; 2622#L20-1 assume main_#t~short3#1;havoc main_#t~nondet2#1;main_#t~short3#1 := 0 != main_#t~nondet2#1; 2632#L20-3 assume !!main_#t~short3#1;havoc main_#t~nondet2#1;havoc main_#t~short3#1;main_~y~0#1 := 1 + main_~y~0#1; 2621#L20-5 [2024-11-08 17:25:22,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:22,340 INFO L85 PathProgramCache]: Analyzing trace with hash 494139713, now seen corresponding path program 3 times [2024-11-08 17:25:22,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:22,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912394833] [2024-11-08 17:25:22,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:22,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:22,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:22,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:22,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:22,354 INFO L85 PathProgramCache]: Analyzing trace with hash 47769, now seen corresponding path program 2 times [2024-11-08 17:25:22,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:22,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281972761] [2024-11-08 17:25:22,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:22,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:22,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:22,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:22,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:22,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2063284569, now seen corresponding path program 4 times [2024-11-08 17:25:22,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:22,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341132698] [2024-11-08 17:25:22,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:22,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:22,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:25:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:25:22,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:25:22,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-08 17:25:22,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:22,461 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:22,461 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:22,461 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:22,461 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:22,461 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:25:22,461 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,461 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:22,461 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:22,461 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration6_Loop [2024-11-08 17:25:22,461 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:22,461 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:22,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,519 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:22,519 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:25:22,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:22,522 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:22,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-08 17:25:22,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:22,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:22,554 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:22,554 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:22,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-08 17:25:22,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:22,574 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:22,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-08 17:25:22,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:22,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:22,603 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:22,604 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:22,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:22,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:22,624 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:22,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-08 17:25:22,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:22,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:22,645 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:22,645 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:22,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:22,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:22,666 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:22,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-08 17:25:22,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:22,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:22,687 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:25:22,687 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep(ite ULTIMATE.start_main_#t~short3#1 1 0)_7=0} Honda state: {v_rep(ite ULTIMATE.start_main_#t~short3#1 1 0)_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:25:22,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:22,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:22,708 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:22,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-08 17:25:22,710 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:25:22,710 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:22,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-08 17:25:22,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:22,741 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:22,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-08 17:25:22,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:25:22,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:25:22,860 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:25:22,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:22,863 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:25:22,863 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:25:22,863 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:25:22,864 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:25:22,864 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:25:22,864 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,864 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:25:22,864 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:25:22,864 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-Fig1.c_Iteration6_Loop [2024-11-08 17:25:22,864 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:25:22,864 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:25:22,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:25:22,929 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:25:22,929 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:25:22,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:22,931 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:22,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-08 17:25:22,933 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 [2024-11-08 17:25:22,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:22,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:22,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:22,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:22,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:22,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:22,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:22,949 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:22,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-08 17:25:22,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:22,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:22,963 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:22,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-08 17:25:22,966 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 [2024-11-08 17:25:22,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:22,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:22,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:22,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:22,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 17:25:22,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 17:25:22,984 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:23,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:23,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:23,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:23,004 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:23,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-08 17:25:23,006 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 [2024-11-08 17:25:23,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:23,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:23,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:23,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:23,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 17:25:23,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 17:25:23,026 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:23,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-08 17:25:23,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:23,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:23,046 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:23,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-08 17:25:23,049 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 [2024-11-08 17:25:23,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:23,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:23,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:23,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:23,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:23,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:23,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:23,068 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:25:23,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-08 17:25:23,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:23,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:23,088 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:23,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-08 17:25:23,091 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 [2024-11-08 17:25:23,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:25:23,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:25:23,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:25:23,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:25:23,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:25:23,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:25:23,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:25:23,109 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:25:23,116 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 17:25:23,117 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 17:25:23,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:25:23,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:23,119 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:23,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-08 17:25:23,121 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:25:23,121 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:25:23,122 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:25:23,122 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~m~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~m~0#1 + 1 Supporting invariants [] [2024-11-08 17:25:23,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-08 17:25:23,140 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:25:23,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:23,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:23,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:23,203 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:25:23,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:23,280 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 17:25:23,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 183 transitions. cyclomatic complexity: 59 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2024-11-08 17:25:23,322 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 183 transitions. cyclomatic complexity: 59. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) Result 152 states and 203 transitions. Complement of second has 9 states. [2024-11-08 17:25:23,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-08 17:25:23,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2024-11-08 17:25:23,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-08 17:25:23,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-08 17:25:23,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:23,325 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-08 17:25:23,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:23,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:23,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:23,385 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:25:23,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:23,453 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 17:25:23,453 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 183 transitions. cyclomatic complexity: 59 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2024-11-08 17:25:23,493 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 183 transitions. cyclomatic complexity: 59. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) Result 152 states and 203 transitions. Complement of second has 9 states. [2024-11-08 17:25:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-08 17:25:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2024-11-08 17:25:23,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-08 17:25:23,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-08 17:25:23,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:23,495 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-08 17:25:23,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:23,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:25:23,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:23,542 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:25:23,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:23,601 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 3 loop predicates [2024-11-08 17:25:23,601 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 183 transitions. cyclomatic complexity: 59 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2024-11-08 17:25:23,643 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 183 transitions. cyclomatic complexity: 59. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) Result 218 states and 272 transitions. Complement of second has 8 states. [2024-11-08 17:25:23,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-08 17:25:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2024-11-08 17:25:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2024-11-08 17:25:23,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-08 17:25:23,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:23,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 19 letters. Loop has 3 letters. [2024-11-08 17:25:23,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:23,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 16 letters. Loop has 6 letters. [2024-11-08 17:25:23,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:25:23,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 272 transitions. [2024-11-08 17:25:23,648 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 17:25:23,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 0 states and 0 transitions. [2024-11-08 17:25:23,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 17:25:23,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 17:25:23,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 17:25:23,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:25:23,648 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:25:23,648 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:25:23,648 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:25:23,648 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-08 17:25:23,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:25:23,649 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 17:25:23,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 17:25:23,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 05:25:23 BoogieIcfgContainer [2024-11-08 17:25:23,656 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 17:25:23,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:25:23,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:25:23,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:25:23,657 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:25:15" (3/4) ... [2024-11-08 17:25:23,660 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:25:23,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:25:23,661 INFO L158 Benchmark]: Toolchain (without parser) took 8255.89ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 137.2MB in the beginning and 113.2MB in the end (delta: 24.0MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2024-11-08 17:25:23,662 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 69.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:25:23,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.75ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 125.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 17:25:23,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.49ms. Allocated memory is still 178.3MB. Free memory was 125.6MB in the beginning and 124.2MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:25:23,663 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 178.3MB. Free memory was 124.2MB in the beginning and 123.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:25:23,663 INFO L158 Benchmark]: RCFGBuilder took 238.97ms. Allocated memory is still 178.3MB. Free memory was 123.1MB in the beginning and 113.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 17:25:23,664 INFO L158 Benchmark]: BuchiAutomizer took 7706.24ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 113.6MB in the beginning and 114.3MB in the end (delta: -663.2kB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-11-08 17:25:23,664 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 213.9MB. Free memory was 114.3MB in the beginning and 113.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:25:23,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 69.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.75ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 125.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.49ms. Allocated memory is still 178.3MB. Free memory was 125.6MB in the beginning and 124.2MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 178.3MB. Free memory was 124.2MB in the beginning and 123.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 238.97ms. Allocated memory is still 178.3MB. Free memory was 123.1MB in the beginning and 113.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7706.24ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 113.6MB in the beginning and 114.3MB in the end (delta: -663.2kB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 213.9MB. Free memory was 114.3MB in the beginning and 113.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (3 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function (((long) 2 * y) + 1) and consists of 4 locations. One deterministic module has affine ranking function ((((long) 2 * m) + ((long) -2 * y)) + 1) and consists of 6 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function ((((long) 2 * m) + ((long) -2 * y)) + 1) and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.6s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 5.2s. Construction of modules took 0.3s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 8. Automata minimization 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 116 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 293 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 137 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 305 IncrementalHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 156 mSDtfsCounter, 305 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT2 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax184 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 16 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 17:25:23,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:23,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-08 17:25:24,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-08 17:25:24,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c299bb0-0096-4c7e-82b0-85c892a6b0b6/bin/uautomizer-verify-jihMAELWvX/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