./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC --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 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:36:07,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:36:07,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-23 18:36:07,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:36:07,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:36:07,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:36:07,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:36:07,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:36:07,262 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:36:07,262 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:36:07,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:36:07,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:36:07,264 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:36:07,264 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 18:36:07,264 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 18:36:07,264 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 18:36:07,264 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 18:36:07,264 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 18:36:07,264 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 18:36:07,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:36:07,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 18:36:07,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:36:07,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:36:07,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 18:36:07,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 18:36:07,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 18:36:07,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:36:07,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:36:07,266 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 18:36:07,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:36:07,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:36:07,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:36:07,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:36:07,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:36:07,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 18:36:07,267 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 18:36:07,267 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_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC 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 -> 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 [2024-11-23 18:36:07,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:36:07,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:36:07,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:36:07,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:36:07,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:36:07,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2024-11-23 18:36:10,487 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/data/5689cb062/0b1cdc3c67974df1b9130e87a1afe608/FLAG937bac35b [2024-11-23 18:36:10,778 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:36:10,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2024-11-23 18:36:10,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/data/5689cb062/0b1cdc3c67974df1b9130e87a1afe608/FLAG937bac35b [2024-11-23 18:36:10,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/data/5689cb062/0b1cdc3c67974df1b9130e87a1afe608 [2024-11-23 18:36:10,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:36:10,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:36:10,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:36:10,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:36:10,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:36:10,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dc517e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10, skipping insertion in model container [2024-11-23 18:36:10,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:36:11,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:36:11,041 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:36:11,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:36:11,065 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:36:11,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11 WrapperNode [2024-11-23 18:36:11,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:36:11,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:36:11,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:36:11,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:36:11,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,094 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-23 18:36:11,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:36:11,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:36:11,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:36:11,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:36:11,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,110 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 18:36:11,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,113 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:36:11,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:36:11,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:36:11,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:36:11,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (1/1) ... [2024-11-23 18:36:11,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:11,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:11,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:11,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 18:36:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:36:11,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:36:11,267 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:36:11,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:36:11,353 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-23 18:36:11,353 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:36:11,366 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:36:11,366 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 18:36:11,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:11 BoogieIcfgContainer [2024-11-23 18:36:11,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:36:11,367 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 18:36:11,368 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 18:36:11,374 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 18:36:11,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 18:36:11,375 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 06:36:10" (1/3) ... [2024-11-23 18:36:11,377 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d81ed79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:36:11, skipping insertion in model container [2024-11-23 18:36:11,377 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 18:36:11,377 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:11" (2/3) ... [2024-11-23 18:36:11,378 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d81ed79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:36:11, skipping insertion in model container [2024-11-23 18:36:11,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 18:36:11,379 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:11" (3/3) ... [2024-11-23 18:36:11,380 INFO L363 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2024-11-23 18:36:11,445 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 18:36:11,446 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 18:36:11,446 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 18:36:11,446 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 18:36:11,446 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 18:36:11,447 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 18:36:11,447 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 18:36:11,447 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 18:36:11,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:36:11,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 18:36:11,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:36:11,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:36:11,474 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-23 18:36:11,474 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 18:36:11,475 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 18:36:11,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:36:11,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 18:36:11,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:36:11,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:36:11,477 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-23 18:36:11,477 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 18:36:11,484 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0;" [2024-11-23 18:36:11,484 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;" [2024-11-23 18:36:11,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:11,489 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-23 18:36:11,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:11,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018365232] [2024-11-23 18:36:11,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:11,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:11,582 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:11,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:36:11,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:11,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 1 times [2024-11-23 18:36:11,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:11,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475288995] [2024-11-23 18:36:11,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:11,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:11,623 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:11,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:36:11,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:11,632 INFO L85 PathProgramCache]: Analyzing trace with hash 28693896, now seen corresponding path program 1 times [2024-11-23 18:36:11,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:11,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281370623] [2024-11-23 18:36:11,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:11,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:11,653 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:11,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:36:11,755 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:36:11,755 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:36:11,755 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:36:11,755 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:36:11,756 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 18:36:11,756 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:11,756 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:36:11,756 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:36:11,756 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration1_Loop [2024-11-23 18:36:11,756 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:36:11,756 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:36:11,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:11,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:11,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:11,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:11,892 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:36:11,892 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 18:36:11,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:11,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:11,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:11,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-23 18:36:11,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:36:11,902 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:11,930 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:36:11,930 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: [] [2024-11-23 18:36:11,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-23 18:36:11,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:11,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:11,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:11,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-23 18:36:11,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:36:11,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:11,976 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:36:11,976 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: [] [2024-11-23 18:36:11,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-23 18:36:11,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:11,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:11,988 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:11,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:36:11,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:11,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-23 18:36:12,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-23 18:36:12,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:12,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:12,026 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:12,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-23 18:36:12,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 18:36:12,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:12,118 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 18:36:12,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:12,122 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:36:12,122 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:36:12,122 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:36:12,122 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:36:12,122 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 18:36:12,122 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:12,122 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:36:12,122 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:36:12,122 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration1_Loop [2024-11-23 18:36:12,122 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:36:12,122 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:36:12,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:12,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:12,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:12,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:12,251 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:36:12,255 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 18:36:12,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:12,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:12,259 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:12,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-23 18:36:12,265 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 [2024-11-23 18:36:12,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:36:12,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:36:12,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:36:12,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:36:12,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 18:36:12,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 18:36:12,303 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:36:12,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-23 18:36:12,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:12,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:12,314 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:12,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-23 18:36:12,319 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 [2024-11-23 18:36:12,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:36:12,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:36:12,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:36:12,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:36:12,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 18:36:12,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 18:36:12,357 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:36:12,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:12,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:12,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:12,378 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:12,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-23 18:36:12,380 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 [2024-11-23 18:36:12,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:36:12,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:36:12,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:36:12,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:36:12,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:36:12,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:36:12,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:36:12,401 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 18:36:12,408 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-23 18:36:12,415 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 18:36:12,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:12,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:12,420 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:12,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-23 18:36:12,423 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 18:36:12,423 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 18:36:12,423 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 18:36:12,424 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2024-11-23 18:36:12,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-23 18:36:12,436 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 18:36:12,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:12,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:36:12,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:12,500 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:12,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:36:12,538 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 18:36:12,540 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-23 18:36:12,596 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 33 transitions. Complement of second has 6 states. [2024-11-23 18:36:12,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 18:36:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-23 18:36:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-11-23 18:36:12,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-23 18:36:12,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:12,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-23 18:36:12,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:12,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-23 18:36:12,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:12,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2024-11-23 18:36:12,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 18:36:12,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 9 states and 12 transitions. [2024-11-23 18:36:12,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-23 18:36:12,627 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-23 18:36:12,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-23 18:36:12,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 18:36:12,628 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-23 18:36:12,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-23 18:36:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-23 18:36:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:36:12,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-23 18:36:12,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-23 18:36:12,676 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-23 18:36:12,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:12,677 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 18:36:12,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-23 18:36:12,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 18:36:12,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:36:12,678 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:36:12,678 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-23 18:36:12,678 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 18:36:12,678 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-23 18:36:12,678 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;" [2024-11-23 18:36:12,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:12,679 INFO L85 PathProgramCache]: Analyzing trace with hash 28693898, now seen corresponding path program 1 times [2024-11-23 18:36:12,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:12,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358507195] [2024-11-23 18:36:12,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:12,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:12,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 18:36:12,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358507195] [2024-11-23 18:36:12,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358507195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:12,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16799417] [2024-11-23 18:36:12,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:12,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:12,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:12,753 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:36:12,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 18:36:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:12,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:36:12,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:12,814 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:36:12,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16799417] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:36:12,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:36:12,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 3 [2024-11-23 18:36:12,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416290656] [2024-11-23 18:36:12,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:36:12,872 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-23 18:36:12,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:12,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 2 times [2024-11-23 18:36:12,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:12,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554117562] [2024-11-23 18:36:12,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:12,883 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:12,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:36:12,940 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:36:12,940 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:36:12,940 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:36:12,940 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:36:12,940 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 18:36:12,940 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:12,940 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:36:12,940 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:36:12,940 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration2_Loop [2024-11-23 18:36:12,940 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:36:12,940 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:36:12,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:12,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:12,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:12,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,026 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:36:13,027 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 18:36:13,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,029 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-23 18:36:13,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:36:13,036 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:13,063 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:36:13,063 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: [] [2024-11-23 18:36:13,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:13,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,073 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-23 18:36:13,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:36:13,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:13,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-23 18:36:13,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,096 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-23 18:36:13,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 18:36:13,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:13,186 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 18:36:13,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:13,189 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:36:13,189 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:36:13,189 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:36:13,189 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:36:13,189 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 18:36:13,189 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,189 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:36:13,189 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:36:13,189 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration2_Loop [2024-11-23 18:36:13,190 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:36:13,190 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:36:13,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,280 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:36:13,281 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 18:36:13,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,283 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-23 18:36:13,286 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 [2024-11-23 18:36:13,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:36:13,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:36:13,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:36:13,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:36:13,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 18:36:13,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 18:36:13,313 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:36:13,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-23 18:36:13,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,327 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-23 18:36:13,333 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 [2024-11-23 18:36:13,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:36:13,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:36:13,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:36:13,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:36:13,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:36:13,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:36:13,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:36:13,349 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 18:36:13,354 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-23 18:36:13,354 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 18:36:13,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,358 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 18:36:13,361 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 18:36:13,361 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 18:36:13,361 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2024-11-23 18:36:13,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-23 18:36:13,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:13,377 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 18:36:13,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:13,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:36:13,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:13,421 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:13,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:36:13,425 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 18:36:13,426 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-23 18:36:13,436 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 13 states and 18 transitions. Complement of second has 5 states. [2024-11-23 18:36:13,436 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 [2024-11-23 18:36:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-23 18:36:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-23 18:36:13,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-23 18:36:13,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:13,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-23 18:36:13,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:13,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-23 18:36:13,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:13,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2024-11-23 18:36:13,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 18:36:13,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2024-11-23 18:36:13,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-23 18:36:13,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-23 18:36:13,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2024-11-23 18:36:13,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 18:36:13,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-23 18:36:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2024-11-23 18:36:13,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-23 18:36:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:36:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2024-11-23 18:36:13,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-23 18:36:13,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 18:36:13,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:36:13,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:36:13,448 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:36:13,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:13,460 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2024-11-23 18:36:13,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2024-11-23 18:36:13,461 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 18:36:13,461 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 18 transitions. [2024-11-23 18:36:13,461 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-23 18:36:13,461 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-23 18:36:13,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2024-11-23 18:36:13,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 18:36:13,462 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-23 18:36:13,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2024-11-23 18:36:13,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-11-23 18:36:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:36:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2024-11-23 18:36:13,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-23 18:36:13,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:36:13,466 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-23 18:36:13,466 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 18:36:13,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2024-11-23 18:36:13,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 18:36:13,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:36:13,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:36:13,467 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1] [2024-11-23 18:36:13,467 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 18:36:13,467 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, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 < main_~n~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < main_~n~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-23 18:36:13,467 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;" [2024-11-23 18:36:13,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:13,467 INFO L85 PathProgramCache]: Analyzing trace with hash -532342184, now seen corresponding path program 1 times [2024-11-23 18:36:13,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:13,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895186636] [2024-11-23 18:36:13,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:13,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:13,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 18:36:13,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895186636] [2024-11-23 18:36:13,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895186636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:13,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280782681] [2024-11-23 18:36:13,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:13,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:13,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,544 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-23 18:36:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:13,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:36:13,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:13,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:36:13,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280782681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:36:13,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:36:13,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-23 18:36:13,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683407048] [2024-11-23 18:36:13,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:36:13,665 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-23 18:36:13,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:13,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 3 times [2024-11-23 18:36:13,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:13,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874374552] [2024-11-23 18:36:13,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:13,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:13,677 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:13,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:36:13,722 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:36:13,722 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:36:13,722 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:36:13,723 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:36:13,723 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 18:36:13,723 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,723 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:36:13,723 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:36:13,723 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration3_Loop [2024-11-23 18:36:13,723 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:36:13,723 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:36:13,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,809 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:36:13,810 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 18:36:13,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,813 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-23 18:36:13,818 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:36:13,818 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:13,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:13,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,849 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-23 18:36:13,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 18:36:13,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:13,941 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 18:36:13,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-23 18:36:13,944 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:36:13,945 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:36:13,945 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:36:13,945 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:36:13,945 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 18:36:13,945 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:13,945 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:36:13,945 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:36:13,945 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration3_Loop [2024-11-23 18:36:13,945 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:36:13,945 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:36:13,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:13,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:14,028 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:36:14,029 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 18:36:14,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,031 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-23 18:36:14,034 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 [2024-11-23 18:36:14,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:36:14,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:36:14,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:36:14,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:36:14,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:36:14,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:36:14,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:36:14,050 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 18:36:14,054 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 18:36:14,054 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 18:36:14,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,057 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-23 18:36:14,062 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 18:36:14,062 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 18:36:14,062 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 18:36:14,062 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2024-11-23 18:36:14,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-23 18:36:14,080 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 18:36:14,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:14,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:36:14,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:14,138 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:14,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:36:14,142 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 18:36:14,143 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7 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) [2024-11-23 18:36:14,154 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7. 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 15 states and 21 transitions. Complement of second has 5 states. [2024-11-23 18:36:14,155 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 [2024-11-23 18:36:14,155 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) [2024-11-23 18:36:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-23 18:36:14,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-23 18:36:14,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:14,156 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 18:36:14,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:14,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:36:14,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:14,200 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:14,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:36:14,205 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 18:36:14,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7 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) [2024-11-23 18:36:14,214 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7. 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 15 states and 21 transitions. Complement of second has 5 states. [2024-11-23 18:36:14,214 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 [2024-11-23 18:36:14,215 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) [2024-11-23 18:36:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-23 18:36:14,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-23 18:36:14,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:14,215 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 18:36:14,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:14,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:36:14,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:14,259 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:14,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:36:14,268 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 18:36:14,268 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7 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) [2024-11-23 18:36:14,279 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7. 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 17 states and 24 transitions. Complement of second has 4 states. [2024-11-23 18:36:14,279 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 [2024-11-23 18:36:14,280 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) [2024-11-23 18:36:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-23 18:36:14,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-23 18:36:14,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:14,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-23 18:36:14,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:14,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-23 18:36:14,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:14,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2024-11-23 18:36:14,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 18:36:14,282 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 20 transitions. [2024-11-23 18:36:14,282 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-23 18:36:14,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-23 18:36:14,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2024-11-23 18:36:14,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 18:36:14,283 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-23 18:36:14,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2024-11-23 18:36:14,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 8. [2024-11-23 18:36:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2024-11-23 18:36:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-11-23 18:36:14,284 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-23 18:36:14,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 18:36:14,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:36:14,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:36:14,284 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:36:14,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:14,296 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2024-11-23 18:36:14,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2024-11-23 18:36:14,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-23 18:36:14,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 10 transitions. [2024-11-23 18:36:14,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-23 18:36:14,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-23 18:36:14,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-11-23 18:36:14,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 18:36:14,297 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-23 18:36:14,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-11-23 18:36:14,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2024-11-23 18:36:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:36:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-11-23 18:36:14,298 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-23 18:36:14,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:36:14,299 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-23 18:36:14,299 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 18:36:14,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-11-23 18:36:14,300 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 18:36:14,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:36:14,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:36:14,300 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-23 18:36:14,300 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-11-23 18:36:14,301 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0;" [2024-11-23 18:36:14,301 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;" "assume main_~i~0#1 < main_~n~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-23 18:36:14,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:14,301 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 2 times [2024-11-23 18:36:14,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:14,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18881722] [2024-11-23 18:36:14,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:14,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:14,306 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:14,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:36:14,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:14,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1267919, now seen corresponding path program 1 times [2024-11-23 18:36:14,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:14,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351835875] [2024-11-23 18:36:14,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:14,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:14,316 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:14,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:36:14,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:14,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1805030640, now seen corresponding path program 2 times [2024-11-23 18:36:14,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:36:14,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737429375] [2024-11-23 18:36:14,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:14,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:14,332 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:14,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:36:14,401 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:36:14,401 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:36:14,401 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:36:14,401 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:36:14,401 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 18:36:14,401 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,401 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:36:14,401 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:36:14,401 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration4_Loop [2024-11-23 18:36:14,401 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:36:14,401 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:36:14,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:14,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:14,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:14,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:14,485 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:36:14,485 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 18:36:14,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,487 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-23 18:36:14,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:36:14,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:14,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-23 18:36:14,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:14,545 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:36:14,545 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 18:36:14,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-23 18:36:14,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,556 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-23 18:36:14,558 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:36:14,559 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:14,584 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:36:14,585 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=1} Honda state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 18:36:14,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-23 18:36:14,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,596 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-23 18:36:14,599 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:36:14,599 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:14,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-23 18:36:14,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,622 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-23 18:36:14,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 18:36:14,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:36:14,721 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 18:36:14,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-23 18:36:14,725 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:36:14,725 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:36:14,725 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:36:14,725 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:36:14,725 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 18:36:14,725 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,725 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:36:14,725 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:36:14,725 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration4_Loop [2024-11-23 18:36:14,725 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:36:14,725 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:36:14,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:14,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:14,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:14,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:36:14,814 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:36:14,815 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 18:36:14,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,817 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-23 18:36:14,825 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 [2024-11-23 18:36:14,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:36:14,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:36:14,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:36:14,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:36:14,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:36:14,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:36:14,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:36:14,851 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:36:14,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:14,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,862 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-23 18:36:14,868 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 [2024-11-23 18:36:14,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:36:14,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:36:14,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:36:14,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:36:14,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:36:14,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:36:14,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:36:14,891 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 18:36:14,895 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 18:36:14,895 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-23 18:36:14,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:36:14,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:14,898 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:14,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-23 18:36:14,903 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 18:36:14,904 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 18:36:14,904 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 18:36:14,904 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-23 18:36:14,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:14,913 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 18:36:14,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:14,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:36:14,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:14,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:14,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 18:36:15,007 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 [2024-11-23 18:36:15,008 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-23 18:36:15,030 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12 states and 15 transitions. Complement of second has 4 states. [2024-11-23 18:36:15,030 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 [2024-11-23 18:36:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-23 18:36:15,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-23 18:36:15,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-23 18:36:15,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:15,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-23 18:36:15,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:15,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-23 18:36:15,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:36:15,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2024-11-23 18:36:15,032 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 18:36:15,032 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2024-11-23 18:36:15,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 18:36:15,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 18:36:15,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 18:36:15,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 18:36:15,033 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:36:15,033 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:36:15,033 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:36:15,033 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-23 18:36:15,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:36:15,033 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 18:36:15,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 18:36:15,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 06:36:15 BoogieIcfgContainer [2024-11-23 18:36:15,045 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 18:36:15,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:36:15,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:36:15,046 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:36:15,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:11" (3/4) ... [2024-11-23 18:36:15,049 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:36:15,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:36:15,050 INFO L158 Benchmark]: Toolchain (without parser) took 4197.03ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 99.6MB in the end (delta: 18.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-23 18:36:15,051 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:15,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.51ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 108.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:36:15,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.62ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.5MB in the end (delta: 890.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:15,052 INFO L158 Benchmark]: Boogie Preprocessor took 25.86ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:15,052 INFO L158 Benchmark]: RCFGBuilder took 245.58ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 97.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:36:15,052 INFO L158 Benchmark]: BuchiAutomizer took 3677.52ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 99.6MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:15,052 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 99.6MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:15,054 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.51ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 108.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.62ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.5MB in the end (delta: 890.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.86ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 245.58ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 97.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3677.52ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 99.6MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 99.6MB in the end (delta: 24.0kB). 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) -1 * j) + m) and consists of 4 locations. One deterministic module has affine ranking function (((long) -1 * j) + m) and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * i) + n) and consists of 3 locations. One nondeterministic module has affine ranking function (((long) -1 * j) + m) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 5 iterations. TraceHistogramMax:3. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 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: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 52 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax167 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf93 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-23 18:36:15,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:15,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:15,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 18:36:15,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a11142eb-d7d1-40f5-9838-129a22dacc68/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE