./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB --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 f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:04:22,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:04:22,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 05:04:22,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:04:22,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:04:22,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:04:22,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:04:22,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:04:22,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:04:22,884 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:04:22,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:04:22,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:04:22,886 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:04:22,887 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 05:04:22,887 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 05:04:22,887 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 05:04:22,887 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 05:04:22,887 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 05:04:22,888 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 05:04:22,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:04:22,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 05:04:22,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:04:22,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:04:22,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 05:04:22,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 05:04:22,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 05:04:22,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:04:22,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:04:22,890 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 05:04:22,890 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:04:22,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:04:22,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:04:22,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:04:22,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:04:22,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 05:04:22,891 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 05:04:22,891 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 [2024-11-28 05:04:23,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:04:23,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:04:23,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:04:23,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:04:23,281 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:04:23,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2024-11-28 05:04:26,872 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/data/6860ddab3/70601dd03b6e405693330dda1323fd0a/FLAGe143ff6c3 [2024-11-28 05:04:27,168 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:04:27,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2024-11-28 05:04:27,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/data/6860ddab3/70601dd03b6e405693330dda1323fd0a/FLAGe143ff6c3 [2024-11-28 05:04:27,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/data/6860ddab3/70601dd03b6e405693330dda1323fd0a [2024-11-28 05:04:27,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:04:27,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:04:27,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:04:27,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:04:27,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:04:27,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c3814a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27, skipping insertion in model container [2024-11-28 05:04:27,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:04:27,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:04:27,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:04:27,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:04:27,543 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:04:27,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27 WrapperNode [2024-11-28 05:04:27,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:04:27,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:04:27,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:04:27,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:04:27,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,578 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-28 05:04:27,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:04:27,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:04:27,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:04:27,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:04:27,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,598 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 05:04:27,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,600 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:04:27,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:04:27,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:04:27,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:04:27,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (1/1) ... [2024-11-28 05:04:27,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:27,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:27,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:27,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 05:04:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:04:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:04:27,759 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:04:27,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:04:27,833 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-28 05:04:27,834 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:04:27,848 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:04:27,849 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:04:27,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:04:27 BoogieIcfgContainer [2024-11-28 05:04:27,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:04:27,851 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 05:04:27,851 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 05:04:27,860 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 05:04:27,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:04:27,861 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 05:04:27" (1/3) ... [2024-11-28 05:04:27,863 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e4cab11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:04:27, skipping insertion in model container [2024-11-28 05:04:27,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:04:27,863 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:27" (2/3) ... [2024-11-28 05:04:27,864 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e4cab11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:04:27, skipping insertion in model container [2024-11-28 05:04:27,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:04:27,864 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:04:27" (3/3) ... [2024-11-28 05:04:27,865 INFO L363 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2024-11-28 05:04:27,928 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 05:04:27,929 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 05:04:27,929 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 05:04:27,929 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 05:04:27,929 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 05:04:27,929 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 05:04:27,929 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 05:04:27,930 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 05:04:27,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:27,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 05:04:27,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:04:27,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:04:27,961 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 05:04:27,961 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 05:04:27,962 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 05:04:27,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:27,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 05:04:27,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:04:27,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:04:27,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 05:04:27,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 05:04:27,974 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2024-11-28 05:04:27,974 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;" "main_~j~0#1 := 0;" "assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9);" "main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-28 05:04:27,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:27,985 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 05:04:27,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:27,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709225302] [2024-11-28 05:04:27,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:27,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:28,080 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:28,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:28,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1174027, now seen corresponding path program 1 times [2024-11-28 05:04:28,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:28,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982851488] [2024-11-28 05:04:28,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:28,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:28,127 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:28,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:28,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:28,140 INFO L85 PathProgramCache]: Analyzing trace with hash 889601229, now seen corresponding path program 1 times [2024-11-28 05:04:28,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:28,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815934057] [2024-11-28 05:04:28,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:28,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:28,155 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:28,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:28,303 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:04:28,304 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:04:28,304 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:04:28,304 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:04:28,304 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:04:28,305 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,305 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:04:28,305 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:04:28,305 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration1_Loop [2024-11-28 05:04:28,305 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:04:28,305 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:04:28,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:28,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:28,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:28,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:28,462 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:04:28,462 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:04:28,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 05:04:28,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:28,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:28,496 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:04:28,496 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: [] [2024-11-28 05:04:28,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:28,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 05:04:28,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:28,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:28,529 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:04:28,529 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: [] [2024-11-28 05:04:28,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 05:04:28,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 05:04:28,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:28,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:28,565 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:04:28,565 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 05:04:28,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 05:04:28,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,577 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 05:04:28,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:28,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:28,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 05:04:28,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,606 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 05:04:28,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:04:28,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:28,646 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:04:28,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 05:04:28,654 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:04:28,654 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:04:28,654 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:04:28,654 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:04:28,654 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:04:28,654 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,654 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:04:28,655 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:04:28,655 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration1_Loop [2024-11-28 05:04:28,655 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:04:28,655 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:04:28,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:28,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:28,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:28,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:28,776 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:04:28,781 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:04:28,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,784 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 05:04:28,791 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 [2024-11-28 05:04:28,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:04:28,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:04:28,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:04:28,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:04:28,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:04:28,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:04:28,831 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:04:28,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:28,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,845 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 05:04:28,849 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 [2024-11-28 05:04:28,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:04:28,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:04:28,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:04:28,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:04:28,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:04:28,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:04:28,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:04:28,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 05:04:28,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 05:04:28,899 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 [2024-11-28 05:04:28,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:04:28,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:04:28,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:04:28,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:04:28,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:04:28,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:04:28,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:04:28,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:04:28,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 05:04:28,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,935 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 05:04:28,938 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 [2024-11-28 05:04:28,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:04:28,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:04:28,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:04:28,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:04:28,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:04:28,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:04:28,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:04:28,963 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:04:28,967 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:04:28,971 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:04:28,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:28,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:28,981 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:28,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 05:04:28,982 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:04:28,983 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:04:28,983 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:04:28,983 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 5 Supporting invariants [] [2024-11-28 05:04:28,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 05:04:28,994 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:04:29,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:29,038 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:04:29,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:29,054 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:04:29,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:29,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 05:04:29,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:04:29,188 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 [2024-11-28 05:04:29,190 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2024-11-28 05:04:29,342 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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 35 states and 50 transitions. Complement of second has 10 states. [2024-11-28 05:04:29,344 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 [2024-11-28 05:04:29,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2024-11-28 05:04:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2024-11-28 05:04:29,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 05:04:29,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:29,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 05:04:29,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:29,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-28 05:04:29,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:29,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 50 transitions. [2024-11-28 05:04:29,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 05:04:29,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 20 states and 25 transitions. [2024-11-28 05:04:29,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-28 05:04:29,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-28 05:04:29,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2024-11-28 05:04:29,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:04:29,371 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-28 05:04:29,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2024-11-28 05:04:29,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2024-11-28 05:04:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 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) [2024-11-28 05:04:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2024-11-28 05:04:29,410 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-28 05:04:29,411 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-28 05:04:29,411 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 05:04:29,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2024-11-28 05:04:29,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 05:04:29,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:04:29,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:04:29,412 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 05:04:29,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 05:04:29,414 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~i~0#1 < 5;" [2024-11-28 05:04:29,414 INFO L749 eck$LassoCheckResult]: Loop: "main_~j~0#1 := 0;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9);" "main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < 5;" [2024-11-28 05:04:29,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 1 times [2024-11-28 05:04:29,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:29,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568612647] [2024-11-28 05:04:29,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:29,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:29,426 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:29,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:29,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:29,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1248352307, now seen corresponding path program 1 times [2024-11-28 05:04:29,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:29,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323401665] [2024-11-28 05:04:29,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:29,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:29,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:04:29,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323401665] [2024-11-28 05:04:29,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323401665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:04:29,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020041847] [2024-11-28 05:04:29,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:29,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:04:29,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:29,560 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:04:29,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 05:04:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:29,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:04:29,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:29,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:04:29,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020041847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:04:29,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:04:29,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 05:04:29,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158200209] [2024-11-28 05:04:29,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:04:29,750 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 05:04:29,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:04:29,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:04:29,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:04:29,754 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:29,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:04:29,812 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2024-11-28 05:04:29,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2024-11-28 05:04:29,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-28 05:04:29,814 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 34 transitions. [2024-11-28 05:04:29,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-28 05:04:29,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-28 05:04:29,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 34 transitions. [2024-11-28 05:04:29,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:04:29,815 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-11-28 05:04:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 34 transitions. [2024-11-28 05:04:29,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-28 05:04:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 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) [2024-11-28 05:04:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2024-11-28 05:04:29,823 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-11-28 05:04:29,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:04:29,825 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-11-28 05:04:29,825 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 05:04:29,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2024-11-28 05:04:29,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-28 05:04:29,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:04:29,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:04:29,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 05:04:29,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 1, 1, 1, 1] [2024-11-28 05:04:29,826 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~i~0#1 < 5;" [2024-11-28 05:04:29,827 INFO L749 eck$LassoCheckResult]: Loop: "main_~j~0#1 := 0;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9);" "main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < 5;" [2024-11-28 05:04:29,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:29,827 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 2 times [2024-11-28 05:04:29,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:29,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560305922] [2024-11-28 05:04:29,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:29,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:29,833 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:29,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:29,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:29,837 INFO L85 PathProgramCache]: Analyzing trace with hash -98076633, now seen corresponding path program 2 times [2024-11-28 05:04:29,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:29,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932579067] [2024-11-28 05:04:29,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:29,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:30,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:04:30,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932579067] [2024-11-28 05:04:30,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932579067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:04:30,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710542] [2024-11-28 05:04:30,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:30,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:04:30,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:30,067 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:04:30,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 05:04:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:30,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:04:30,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:30,217 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:04:30,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710542] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:04:30,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:04:30,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-28 05:04:30,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825571033] [2024-11-28 05:04:30,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:04:30,482 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 05:04:30,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:04:30,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:04:30,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=104, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:04:30,484 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. cyclomatic complexity: 7 Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 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) [2024-11-28 05:04:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:04:30,598 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2024-11-28 05:04:30,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 58 transitions. [2024-11-28 05:04:30,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2024-11-28 05:04:30,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 53 states and 58 transitions. [2024-11-28 05:04:30,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-11-28 05:04:30,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-28 05:04:30,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 58 transitions. [2024-11-28 05:04:30,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:04:30,605 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 58 transitions. [2024-11-28 05:04:30,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 58 transitions. [2024-11-28 05:04:30,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-28 05:04:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 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) [2024-11-28 05:04:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2024-11-28 05:04:30,612 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 58 transitions. [2024-11-28 05:04:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:04:30,613 INFO L425 stractBuchiCegarLoop]: Abstraction has 53 states and 58 transitions. [2024-11-28 05:04:30,613 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 05:04:30,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 58 transitions. [2024-11-28 05:04:30,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2024-11-28 05:04:30,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:04:30,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:04:30,620 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 05:04:30,620 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 10, 1, 1, 1, 1] [2024-11-28 05:04:30,620 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~i~0#1 < 5;" [2024-11-28 05:04:30,620 INFO L749 eck$LassoCheckResult]: Loop: "main_~j~0#1 := 0;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" "assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9);" "main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < 5;" [2024-11-28 05:04:30,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:30,620 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 3 times [2024-11-28 05:04:30,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:30,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511720211] [2024-11-28 05:04:30,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:30,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:30,625 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:30,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:30,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:30,628 INFO L85 PathProgramCache]: Analyzing trace with hash 657367823, now seen corresponding path program 3 times [2024-11-28 05:04:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:30,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578177594] [2024-11-28 05:04:30,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:30,649 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:30,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:30,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:30,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1190892621, now seen corresponding path program 1 times [2024-11-28 05:04:30,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:30,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153156224] [2024-11-28 05:04:30,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:30,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:30,699 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:30,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:30,910 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:04:30,911 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:04:30,911 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:04:30,911 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:04:30,911 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:04:30,911 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:30,911 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:04:30,911 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:04:30,911 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration4_Loop [2024-11-28 05:04:30,912 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:04:30,912 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:04:30,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:30,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:30,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:30,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:30,993 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:04:30,993 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:04:30,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:30,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:30,996 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 05:04:31,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:31,001 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:31,024 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:04:31,024 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: [] [2024-11-28 05:04:31,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:31,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,034 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 05:04:31,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:31,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:31,065 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:04:31,066 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 05:04:31,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 05:04:31,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,075 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 05:04:31,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:31,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:31,102 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:04:31,102 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: [] [2024-11-28 05:04:31,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 05:04:31,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,110 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 05:04:31,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:31,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:31,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:31,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,134 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 05:04:31,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:04:31,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:31,171 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:04:31,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 05:04:31,174 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:04:31,174 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:04:31,174 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:04:31,174 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:04:31,174 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:04:31,174 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,175 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:04:31,175 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:04:31,175 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration4_Loop [2024-11-28 05:04:31,175 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:04:31,175 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:04:31,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,278 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:04:31,278 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:04:31,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,281 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 05:04:31,286 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 [2024-11-28 05:04:31,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:04:31,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:04:31,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:04:31,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:04:31,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:04:31,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:04:31,314 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:04:31,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 05:04:31,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,329 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 05:04:31,334 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 [2024-11-28 05:04:31,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:04:31,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:04:31,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:04:31,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:04:31,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:04:31,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:04:31,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:04:31,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:04:31,367 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:04:31,367 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:04:31,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,373 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 05:04:31,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:04:31,376 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:04:31,376 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:04:31,376 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 7 Supporting invariants [] [2024-11-28 05:04:31,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 05:04:31,389 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:04:31,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:31,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:04:31,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:31,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:04:31,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 05:04:31,568 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 [2024-11-28 05:04:31,568 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 58 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:31,611 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 58 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 110 transitions. Complement of second has 6 states. [2024-11-28 05:04:31,613 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 [2024-11-28 05:04:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-28 05:04:31,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 24 letters. [2024-11-28 05:04:31,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:31,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 27 letters. Loop has 24 letters. [2024-11-28 05:04:31,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:31,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 48 letters. [2024-11-28 05:04:31,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:31,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 110 transitions. [2024-11-28 05:04:31,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 05:04:31,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 75 states and 82 transitions. [2024-11-28 05:04:31,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2024-11-28 05:04:31,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-11-28 05:04:31,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 82 transitions. [2024-11-28 05:04:31,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:04:31,624 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 82 transitions. [2024-11-28 05:04:31,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 82 transitions. [2024-11-28 05:04:31,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 56. [2024-11-28 05:04:31,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.125) internal successors, (63), 55 states have internal predecessors, (63), 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) [2024-11-28 05:04:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2024-11-28 05:04:31,628 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 63 transitions. [2024-11-28 05:04:31,628 INFO L425 stractBuchiCegarLoop]: Abstraction has 56 states and 63 transitions. [2024-11-28 05:04:31,628 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 05:04:31,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 63 transitions. [2024-11-28 05:04:31,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 05:04:31,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:04:31,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:04:31,630 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 05:04:31,630 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:04:31,630 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~i~0#1 < 5;" "main_~j~0#1 := 0;" [2024-11-28 05:04:31,630 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" [2024-11-28 05:04:31,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:31,631 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-28 05:04:31,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:31,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493271222] [2024-11-28 05:04:31,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:31,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:31,636 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:31,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:31,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:31,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times [2024-11-28 05:04:31,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:31,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453941343] [2024-11-28 05:04:31,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:31,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:31,644 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:31,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:31,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:31,647 INFO L85 PathProgramCache]: Analyzing trace with hash 889601163, now seen corresponding path program 1 times [2024-11-28 05:04:31,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:31,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764699465] [2024-11-28 05:04:31,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:31,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:31,653 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:31,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:31,687 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:04:31,688 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:04:31,688 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:04:31,688 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:04:31,688 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:04:31,688 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,688 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:04:31,688 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:04:31,688 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration5_Loop [2024-11-28 05:04:31,688 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:04:31,688 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:04:31,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,773 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:04:31,774 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:04:31,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,776 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 05:04:31,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:31,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:31,813 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:04:31,813 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=3} Honda state: {ULTIMATE.start_main_~i~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 05:04:31,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 05:04:31,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,828 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 05:04:31,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:31,833 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:31,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 05:04:31,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:31,869 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:31,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 05:04:31,874 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:04:31,874 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:31,914 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:04:31,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:31,919 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:04:31,919 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:04:31,919 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:04:31,919 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:04:31,919 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:04:31,919 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:31,919 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:04:31,919 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:04:31,919 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration5_Loop [2024-11-28 05:04:31,919 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:04:31,920 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:04:31,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:31,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:32,002 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:04:32,002 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:04:32,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:32,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:32,005 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:32,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 05:04:32,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 05:04:32,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:04:32,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:04:32,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:04:32,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:04:32,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:04:32,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:04:32,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:04:32,031 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:04:32,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 05:04:32,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:32,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:32,045 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:32,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 05:04:32,051 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 [2024-11-28 05:04:32,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:04:32,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:04:32,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:04:32,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:04:32,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:04:32,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:04:32,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:04:32,073 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:04:32,077 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:04:32,077 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:04:32,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:32,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:32,082 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:32,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 05:04:32,085 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:04:32,085 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:04:32,085 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:04:32,085 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 19 Supporting invariants [] [2024-11-28 05:04:32,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:32,097 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:04:32,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:32,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:04:32,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:32,134 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:04:32,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:04:32,155 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 [2024-11-28 05:04:32,155 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 10 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) [2024-11-28 05:04:32,185 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 10. 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 124 states and 138 transitions. Complement of second has 5 states. [2024-11-28 05:04:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 05:04:32,189 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) [2024-11-28 05:04:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-28 05:04:32,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-28 05:04:32,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:32,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-28 05:04:32,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:32,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-28 05:04:32,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:32,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 138 transitions. [2024-11-28 05:04:32,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 05:04:32,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 100 states and 110 transitions. [2024-11-28 05:04:32,201 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-28 05:04:32,201 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-28 05:04:32,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 110 transitions. [2024-11-28 05:04:32,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:04:32,202 INFO L218 hiAutomatonCegarLoop]: Abstraction has 100 states and 110 transitions. [2024-11-28 05:04:32,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 110 transitions. [2024-11-28 05:04:32,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 57. [2024-11-28 05:04:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.1228070175438596) internal successors, (64), 56 states have internal predecessors, (64), 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) [2024-11-28 05:04:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2024-11-28 05:04:32,208 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 64 transitions. [2024-11-28 05:04:32,209 INFO L425 stractBuchiCegarLoop]: Abstraction has 57 states and 64 transitions. [2024-11-28 05:04:32,209 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 05:04:32,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 64 transitions. [2024-11-28 05:04:32,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 05:04:32,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:04:32,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:04:32,211 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2024-11-28 05:04:32,211 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:04:32,211 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~i~0#1 < 5;" "main_~j~0#1 := 0;" "assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9);" "main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < 5;" "main_~j~0#1 := 0;" [2024-11-28 05:04:32,212 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 2 && main_~j~0#1 <= 9;" "main_~j~0#1 := 1 + main_~j~0#1;" [2024-11-28 05:04:32,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:32,212 INFO L85 PathProgramCache]: Analyzing trace with hash 208289425, now seen corresponding path program 2 times [2024-11-28 05:04:32,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:32,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022444424] [2024-11-28 05:04:32,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:32,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:32,223 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:32,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:32,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:32,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 2 times [2024-11-28 05:04:32,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:32,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56224528] [2024-11-28 05:04:32,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:32,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:32,240 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:32,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:32,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:32,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1697324907, now seen corresponding path program 2 times [2024-11-28 05:04:32,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:04:32,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545777417] [2024-11-28 05:04:32,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:32,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:32,250 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:04:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:04:32,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:04:32,280 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:04:32,280 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:04:32,281 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:04:32,281 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:04:32,281 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:04:32,281 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:32,281 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:04:32,281 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:04:32,281 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration6_Loop [2024-11-28 05:04:32,281 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:04:32,281 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:04:32,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:32,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:32,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:32,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:32,353 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:04:32,353 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:04:32,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:32,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:32,356 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:32,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 05:04:32,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:04:32,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:32,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:32,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:32,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:32,396 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:32,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:04:32,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:04:32,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 05:04:32,442 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:04:32,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 05:04:32,447 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:04:32,447 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:04:32,447 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:04:32,447 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:04:32,447 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:04:32,447 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:32,447 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:04:32,447 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:04:32,447 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration6_Loop [2024-11-28 05:04:32,447 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:04:32,447 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:04:32,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:32,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:32,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:32,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:04:32,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 05:04:32,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 05:04:32,544 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:04:32,544 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:04:32,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:32,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:32,547 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:32,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 05:04:32,557 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 [2024-11-28 05:04:32,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:04:32,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:04:32,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:04:32,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:04:32,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:04:32,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:04:32,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:04:32,582 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:04:32,586 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:04:32,586 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:04:32,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:04:32,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:32,589 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:32,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 05:04:32,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:04:32,593 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:04:32,593 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:04:32,593 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 19 Supporting invariants [] [2024-11-28 05:04:32,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-28 05:04:32,602 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:04:32,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:32,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:04:32,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:32,660 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:04:32,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:04:32,683 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 [2024-11-28 05:04:32,684 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 64 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:32,713 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 64 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 132 transitions. Complement of second has 5 states. [2024-11-28 05:04:32,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 05:04:32,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-28 05:04:32,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-28 05:04:32,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:32,719 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 05:04:32,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:32,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:04:32,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:32,772 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:04:32,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:04:32,796 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 05:04:32,796 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 64 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:32,828 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 64 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 132 transitions. Complement of second has 5 states. [2024-11-28 05:04:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 05:04:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-28 05:04:32,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-28 05:04:32,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:32,830 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 05:04:32,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:32,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:04:32,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:32,879 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:04:32,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:04:32,901 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 05:04:32,902 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 64 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:32,931 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 64 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 79 states and 89 transitions. Complement of second has 4 states. [2024-11-28 05:04:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 05:04:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-28 05:04:32,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-28 05:04:32,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:32,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-28 05:04:32,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:32,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-28 05:04:32,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:04:32,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 89 transitions. [2024-11-28 05:04:32,935 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:04:32,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 0 states and 0 transitions. [2024-11-28 05:04:32,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 05:04:32,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 05:04:32,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 05:04:32,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 05:04:32,936 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:04:32,936 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:04:32,936 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:04:32,936 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 05:04:32,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:04:32,936 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:04:32,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 05:04:32,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 05:04:32 BoogieIcfgContainer [2024-11-28 05:04:32,948 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 05:04:32,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:04:32,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:04:32,950 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:04:32,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:04:27" (3/4) ... [2024-11-28 05:04:32,954 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:04:32,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:04:32,956 INFO L158 Benchmark]: Toolchain (without parser) took 5694.64ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.4MB in the beginning and 304.1MB in the end (delta: -209.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-28 05:04:32,957 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:04:32,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.40ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:04:32,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.06ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:04:32,958 INFO L158 Benchmark]: Boogie Preprocessor took 31.27ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 908.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:04:32,958 INFO L158 Benchmark]: RCFGBuilder took 239.11ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 74.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:04:32,959 INFO L158 Benchmark]: BuchiAutomizer took 5097.19ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 74.2MB in the beginning and 304.9MB in the end (delta: -230.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-28 05:04:32,959 INFO L158 Benchmark]: Witness Printer took 6.16ms. Allocated memory is still 352.3MB. Free memory was 304.9MB in the beginning and 304.1MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:04:32,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.40ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.06ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.27ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 908.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 239.11ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 74.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5097.19ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 74.2MB in the beginning and 304.9MB in the end (delta: -230.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 6.16ms. Allocated memory is still 352.3MB. Free memory was 304.9MB in the beginning and 304.1MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long) -2 * i) + 5) and consists of 6 locations. One deterministic module has affine ranking function (((long) -2 * i) + 7) and consists of 4 locations. One deterministic module has affine ranking function (((long) -2 * j) + 19) and consists of 3 locations. One nondeterministic module has affine ranking function (((long) -2 * j) + 19) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 7 iterations. TraceHistogramMax:10. Analysis of lassos took 3.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 65 StatesRemovedByMinimization, 3 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 100/100 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 38 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax199 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp93 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 05:04:32,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:33,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:33,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 05:04:33,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd65e93b-048d-4f4b-95e7-8a5a9bb83369/bin/uautomizer-verify-aQ6SnzHsRB/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