./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07aee1a213388f511be96198bfb1df3a8f6aa54d1d332dfab8fc2fdcd2220999 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:29:04,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:29:04,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-12-02 13:29:04,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:29:04,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:29:04,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:29:04,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:29:04,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:29:04,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:29:04,118 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:29:04,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:29:04,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:29:04,119 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:29:04,119 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 13:29:04,119 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 13:29:04,119 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 13:29:04,119 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 13:29:04,119 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 13:29:04,119 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 13:29:04,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:29:04,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:29:04,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:29:04,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:29:04,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:29:04,121 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 13:29:04,121 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 13:29:04,121 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_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07aee1a213388f511be96198bfb1df3a8f6aa54d1d332dfab8fc2fdcd2220999 [2024-12-02 13:29:04,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:29:04,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:29:04,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:29:04,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:29:04,329 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:29:04,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c [2024-12-02 13:29:07,034 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/data/56f3a85f6/2b38dc25d7fb42bf8dbbddc404ec94a8/FLAG867d14c53 [2024-12-02 13:29:07,204 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:29:07,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c [2024-12-02 13:29:07,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/data/56f3a85f6/2b38dc25d7fb42bf8dbbddc404ec94a8/FLAG867d14c53 [2024-12-02 13:29:07,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/data/56f3a85f6/2b38dc25d7fb42bf8dbbddc404ec94a8 [2024-12-02 13:29:07,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:29:07,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:29:07,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:29:07,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:29:07,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:29:07,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f47c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07, skipping insertion in model container [2024-12-02 13:29:07,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:29:07,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:29:07,373 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:29:07,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:29:07,394 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:29:07,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07 WrapperNode [2024-12-02 13:29:07,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:29:07,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:29:07,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:29:07,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:29:07,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,418 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-12-02 13:29:07,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:29:07,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:29:07,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:29:07,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:29:07,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,428 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,432 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 13:29:07,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,434 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:29:07,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:29:07,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:29:07,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:29:07,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (1/1) ... [2024-12-02 13:29:07,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:07,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:07,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:07,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 13:29:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:29:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:29:07,545 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:29:07,547 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:29:07,590 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-02 13:29:07,590 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:29:07,596 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:29:07,597 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 13:29:07,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:29:07 BoogieIcfgContainer [2024-12-02 13:29:07,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:29:07,598 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 13:29:07,598 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 13:29:07,602 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 13:29:07,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 13:29:07,602 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 01:29:07" (1/3) ... [2024-12-02 13:29:07,603 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c8836d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:29:07, skipping insertion in model container [2024-12-02 13:29:07,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 13:29:07,604 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:07" (2/3) ... [2024-12-02 13:29:07,604 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c8836d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:29:07, skipping insertion in model container [2024-12-02 13:29:07,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 13:29:07,604 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:29:07" (3/3) ... [2024-12-02 13:29:07,605 INFO L363 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c [2024-12-02 13:29:07,642 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 13:29:07,642 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 13:29:07,642 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 13:29:07,642 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 13:29:07,642 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 13:29:07,642 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 13:29:07,643 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 13:29:07,643 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 13:29:07,646 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) [2024-12-02 13:29:07,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 13:29:07,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:29:07,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:29:07,660 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-12-02 13:29:07,660 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 13:29:07,660 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 13:29:07,660 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) [2024-12-02 13:29:07,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 13:29:07,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:29:07,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:29:07,661 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-12-02 13:29:07,662 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 13:29:07,666 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := main_~n~0#1;" [2024-12-02 13:29:07,666 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 0;" "assume main_~i~0#1 < main_~m~0#1;main_~i~0#1 := main_~i~0#1 - 1;" [2024-12-02 13:29:07,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:07,670 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-12-02 13:29:07,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:07,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162750989] [2024-12-02 13:29:07,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:07,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:07,729 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:07,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:07,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:07,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 1 times [2024-12-02 13:29:07,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:07,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199618906] [2024-12-02 13:29:07,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:07,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:07,750 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:07,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:07,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash 28693896, now seen corresponding path program 1 times [2024-12-02 13:29:07,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:07,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843916139] [2024-12-02 13:29:07,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:07,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:07,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 13:29:07,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843916139] [2024-12-02 13:29:07,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843916139] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:29:07,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608438540] [2024-12-02 13:29:07,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:07,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:29:07,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:07,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:29:07,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:29:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:07,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:29:07,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:07,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:29:07,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608438540] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:29:07,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:29:07,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 3 [2024-12-02 13:29:07,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733748383] [2024-12-02 13:29:07,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:29:07,949 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 13:29:07,950 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 13:29:07,950 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 13:29:07,950 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 13:29:07,950 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 13:29:07,950 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:07,950 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 13:29:07,950 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 13:29:07,951 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration1_Loop [2024-12-02 13:29:07,951 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 13:29:07,951 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 13:29:07,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:07,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:07,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,041 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 13:29:08,041 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 13:29:08,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 13:29:08,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:08,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:08,072 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:08,072 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:08,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 13:29:08,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 13:29:08,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:08,082 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:08,102 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:08,103 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:08,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 13:29:08,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 13:29:08,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:08,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:08,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 13:29:08,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,139 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 13:29:08,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 13:29:08,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:08,170 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 13:29:08,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 13:29:08,173 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 13:29:08,173 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 13:29:08,173 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 13:29:08,173 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 13:29:08,173 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 13:29:08,173 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,173 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 13:29:08,173 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 13:29:08,173 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration1_Loop [2024-12-02 13:29:08,173 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 13:29:08,173 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 13:29:08,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,241 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 13:29:08,245 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 13:29:08,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,248 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 13:29:08,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:08,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:08,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 13:29:08,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:08,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:08,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:08,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 13:29:08,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 13:29:08,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 13:29:08,277 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-12-02 13:29:08,280 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-12-02 13:29:08,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,284 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 13:29:08,286 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 13:29:08,286 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 13:29:08,287 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 13:29:08,287 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-12-02 13:29:08,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 13:29:08,297 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-02 13:29:08,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:08,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:29:08,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:08,334 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:29:08,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:08,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 13:29:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:29:08,381 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-12-02 13:29:08,383 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) [2024-12-02 13:29:08,422 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 22 states and 29 transitions. Complement of second has 6 states. [2024-12-02 13:29:08,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 13:29:08,428 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) [2024-12-02 13:29:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-12-02 13:29:08,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 2 letters. [2024-12-02 13:29:08,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:08,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 2 letters. [2024-12-02 13:29:08,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:08,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 4 letters. [2024-12-02 13:29:08,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:08,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2024-12-02 13:29:08,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 13:29:08,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 9 states and 12 transitions. [2024-12-02 13:29:08,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-12-02 13:29:08,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-12-02 13:29:08,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-12-02 13:29:08,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 13:29:08,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-12-02 13:29:08,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-12-02 13:29:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-12-02 13:29:08,462 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) [2024-12-02 13:29:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-12-02 13:29:08,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-12-02 13:29:08,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 13:29:08,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:29:08,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:29:08,465 INFO L87 Difference]: Start difference. First operand 9 states and 12 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) [2024-12-02 13:29:08,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:29:08,479 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2024-12-02 13:29:08,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2024-12-02 13:29:08,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 13:29:08,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 8 transitions. [2024-12-02 13:29:08,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-12-02 13:29:08,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-12-02 13:29:08,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2024-12-02 13:29:08,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 13:29:08,480 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-12-02 13:29:08,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2024-12-02 13:29:08,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-12-02 13:29:08,481 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) [2024-12-02 13:29:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-12-02 13:29:08,481 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-12-02 13:29:08,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:29:08,482 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-12-02 13:29:08,482 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 13:29:08,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-12-02 13:29:08,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 13:29:08,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:29:08,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:29:08,483 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 13:29:08,483 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 13:29:08,483 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := main_~n~0#1;" "assume main_~i~0#1 > 0;" "assume !(main_~i~0#1 < main_~m~0#1);main_~i~0#1 := main_~i~0#1 - main_~m~0#1;" [2024-12-02 13:29:08,484 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 0;" "assume main_~i~0#1 < main_~m~0#1;main_~i~0#1 := main_~i~0#1 - 1;" [2024-12-02 13:29:08,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:08,484 INFO L85 PathProgramCache]: Analyzing trace with hash 28693898, now seen corresponding path program 1 times [2024-12-02 13:29:08,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:08,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607071504] [2024-12-02 13:29:08,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:08,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,490 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:08,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:08,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 2 times [2024-12-02 13:29:08,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:08,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943829904] [2024-12-02 13:29:08,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:08,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,497 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:08,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:08,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1805032560, now seen corresponding path program 1 times [2024-12-02 13:29:08,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:08,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894122874] [2024-12-02 13:29:08,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:08,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,507 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:08,532 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 13:29:08,532 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 13:29:08,532 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 13:29:08,532 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 13:29:08,532 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 13:29:08,532 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,532 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 13:29:08,532 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 13:29:08,532 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration2_Loop [2024-12-02 13:29:08,532 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 13:29:08,532 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 13:29:08,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,577 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 13:29:08,577 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 13:29:08,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,584 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 13:29:08,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:08,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:08,605 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:08,605 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:08,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 13:29:08,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,611 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 13:29:08,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:08,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:08,632 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:08,632 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:08,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 13:29:08,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-02 13:29:08,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:08,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:08,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-02 13:29:08,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,664 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-12-02 13:29:08,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 13:29:08,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:08,699 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 13:29:08,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-12-02 13:29:08,702 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 13:29:08,703 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 13:29:08,703 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 13:29:08,703 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 13:29:08,703 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 13:29:08,703 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,703 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 13:29:08,703 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 13:29:08,703 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration2_Loop [2024-12-02 13:29:08,703 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 13:29:08,703 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 13:29:08,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,758 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 13:29:08,758 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 13:29:08,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,760 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-12-02 13:29:08,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:08,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:08,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:08,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:08,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:08,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 13:29:08,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 13:29:08,785 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 13:29:08,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-12-02 13:29:08,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,795 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-12-02 13:29:08,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:08,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:08,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 13:29:08,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:08,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:08,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:08,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 13:29:08,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 13:29:08,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 13:29:08,819 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-12-02 13:29:08,819 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-12-02 13:29:08,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,821 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 13:29:08,823 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 13:29:08,823 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 13:29:08,823 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 13:29:08,823 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-12-02 13:29:08,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-12-02 13:29:08,832 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-02 13:29:08,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:08,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:29:08,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:08,861 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:29:08,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:29:08,876 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-12-02 13:29:08,876 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) [2024-12-02 13:29:08,891 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 11 states and 14 transitions. Complement of second has 5 states. [2024-12-02 13:29:08,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 13:29:08,892 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) [2024-12-02 13:29:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-12-02 13:29:08,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2024-12-02 13:29:08,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:08,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2024-12-02 13:29:08,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:08,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2024-12-02 13:29:08,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:08,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2024-12-02 13:29:08,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 13:29:08,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 14 transitions. [2024-12-02 13:29:08,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-12-02 13:29:08,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-12-02 13:29:08,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-12-02 13:29:08,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 13:29:08,894 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-12-02 13:29:08,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-12-02 13:29:08,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-12-02 13:29:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:29:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-12-02 13:29:08,896 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-12-02 13:29:08,896 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-12-02 13:29:08,896 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 13:29:08,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-12-02 13:29:08,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 13:29:08,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:29:08,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:29:08,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2024-12-02 13:29:08,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 13:29:08,897 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := main_~n~0#1;" "assume main_~i~0#1 > 0;" "assume !(main_~i~0#1 < main_~m~0#1);main_~i~0#1 := main_~i~0#1 - main_~m~0#1;" "assume main_~i~0#1 > 0;" "assume !(main_~i~0#1 < main_~m~0#1);main_~i~0#1 := main_~i~0#1 - main_~m~0#1;" [2024-12-02 13:29:08,897 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 0;" "assume main_~i~0#1 < main_~m~0#1;main_~i~0#1 := main_~i~0#1 - 1;" [2024-12-02 13:29:08,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:08,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1805032562, now seen corresponding path program 2 times [2024-12-02 13:29:08,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:08,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341202877] [2024-12-02 13:29:08,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:08,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,903 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:08,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:08,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 3 times [2024-12-02 13:29:08,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:08,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468793259] [2024-12-02 13:29:08,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:08,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,913 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:08,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:08,915 INFO L85 PathProgramCache]: Analyzing trace with hash -530495144, now seen corresponding path program 2 times [2024-12-02 13:29:08,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:08,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223811803] [2024-12-02 13:29:08,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:08,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,922 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:08,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:08,948 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 13:29:08,948 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 13:29:08,948 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 13:29:08,948 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 13:29:08,948 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 13:29:08,948 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,948 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 13:29:08,948 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 13:29:08,949 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration3_Loop [2024-12-02 13:29:08,949 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 13:29:08,949 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 13:29:08,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:08,991 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 13:29:08,991 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 13:29:08,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:08,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:08,993 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:08,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 13:29:08,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:08,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,014 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:09,014 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:09,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-12-02 13:29:09,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,022 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 13:29:09,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:09,024 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 13:29:09,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,043 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-12-02 13:29:09,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 13:29:09,045 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,070 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 13:29:09,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-12-02 13:29:09,073 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 13:29:09,073 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 13:29:09,073 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 13:29:09,073 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 13:29:09,073 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 13:29:09,073 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,073 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 13:29:09,073 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 13:29:09,073 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration3_Loop [2024-12-02 13:29:09,073 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 13:29:09,073 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 13:29:09,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,119 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 13:29:09,119 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 13:29:09,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,121 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-12-02 13:29:09,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:09,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:09,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:09,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:09,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:09,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 13:29:09,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 13:29:09,142 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 13:29:09,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-12-02 13:29:09,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,152 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-12-02 13:29:09,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:09,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:09,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 13:29:09,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:09,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:09,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:09,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 13:29:09,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 13:29:09,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 13:29:09,172 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-12-02 13:29:09,172 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-12-02 13:29:09,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,174 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-12-02 13:29:09,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 13:29:09,176 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 13:29:09,176 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 13:29:09,176 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-12-02 13:29:09,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-12-02 13:29:09,186 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-02 13:29:09,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:09,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:29:09,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:09,216 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:29:09,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:29:09,228 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-12-02 13:29:09,228 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:29:09,243 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 5 states. [2024-12-02 13:29:09,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 13:29:09,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:29:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-12-02 13:29:09,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2024-12-02 13:29:09,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:09,244 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 13:29:09,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:09,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:29:09,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:09,281 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:29:09,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:29:09,298 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-12-02 13:29:09,298 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:29:09,312 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 5 states. [2024-12-02 13:29:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 13:29:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:29:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-12-02 13:29:09,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2024-12-02 13:29:09,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:09,314 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 13:29:09,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:09,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:29:09,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:09,339 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:29:09,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:09,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:29:09,351 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-12-02 13:29:09,351 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:29:09,365 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 21 transitions. Complement of second has 4 states. [2024-12-02 13:29:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 13:29:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:29:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-12-02 13:29:09,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2024-12-02 13:29:09,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:09,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2024-12-02 13:29:09,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:09,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2024-12-02 13:29:09,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:09,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. [2024-12-02 13:29:09,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-12-02 13:29:09,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 17 transitions. [2024-12-02 13:29:09,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-12-02 13:29:09,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-12-02 13:29:09,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2024-12-02 13:29:09,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 13:29:09,368 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-12-02 13:29:09,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2024-12-02 13:29:09,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 8. [2024-12-02 13:29:09,369 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) [2024-12-02 13:29:09,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-12-02 13:29:09,370 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-12-02 13:29:09,370 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-12-02 13:29:09,370 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 13:29:09,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2024-12-02 13:29:09,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-12-02 13:29:09,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:29:09,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:29:09,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-12-02 13:29:09,370 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 13:29:09,370 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := main_~n~0#1;" "assume main_~i~0#1 > 0;" [2024-12-02 13:29:09,370 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 < main_~m~0#1);main_~i~0#1 := main_~i~0#1 - main_~m~0#1;" "assume main_~i~0#1 > 0;" [2024-12-02 13:29:09,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:09,371 INFO L85 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2024-12-02 13:29:09,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:09,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503609343] [2024-12-02 13:29:09,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:09,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:09,375 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:09,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:09,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:09,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1561, now seen corresponding path program 1 times [2024-12-02 13:29:09,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:09,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315910406] [2024-12-02 13:29:09,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:09,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:09,382 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:09,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:09,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:09,385 INFO L85 PathProgramCache]: Analyzing trace with hash 889510849, now seen corresponding path program 3 times [2024-12-02 13:29:09,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:29:09,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934531798] [2024-12-02 13:29:09,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:09,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:09,390 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:29:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:29:09,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:29:09,429 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 13:29:09,429 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 13:29:09,430 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 13:29:09,430 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 13:29:09,430 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 13:29:09,430 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,430 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 13:29:09,430 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 13:29:09,430 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration4_Lasso [2024-12-02 13:29:09,430 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 13:29:09,430 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 13:29:09,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-12-02 13:29:09,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 13:29:09,507 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 13:29:09,508 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 13:29:09,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,509 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-12-02 13:29:09,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:09,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,524 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:09,525 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0#1=0} Honda state: {ULTIMATE.start_main_~n~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:09,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-12-02 13:29:09,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,532 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-12-02 13:29:09,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:09,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,547 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:09,547 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:09,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-12-02 13:29:09,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,554 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-12-02 13:29:09,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:09,557 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,575 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:09,575 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:09,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-12-02 13:29:09,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,582 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-12-02 13:29:09,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:09,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,596 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:09,596 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:09,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-12-02 13:29:09,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,603 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-12-02 13:29:09,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:09,605 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,617 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 13:29:09,617 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 13:29:09,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-12-02 13:29:09,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,624 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-12-02 13:29:09,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 13:29:09,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-12-02 13:29:09,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,653 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-12-02 13:29:09,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 13:29:09,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 13:29:09,764 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 13:29:09,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-12-02 13:29:09,768 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 13:29:09,768 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 13:29:09,768 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 13:29:09,768 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 13:29:09,768 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 13:29:09,768 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,768 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 13:29:09,768 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 13:29:09,768 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration4_Lasso [2024-12-02 13:29:09,768 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 13:29:09,768 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 13:29:09,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 13:29:09,826 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 13:29:09,826 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 13:29:09,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,828 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-12-02 13:29:09,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:09,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:09,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 13:29:09,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:09,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:09,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:09,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 13:29:09,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 13:29:09,843 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 13:29:09,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-12-02 13:29:09,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,850 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-12-02 13:29:09,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:09,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:09,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 13:29:09,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:09,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:09,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:09,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 13:29:09,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 13:29:09,864 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 13:29:09,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-12-02 13:29:09,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,871 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-12-02 13:29:09,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:09,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:09,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:09,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:09,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:09,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 13:29:09,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 13:29:09,889 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 13:29:09,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-12-02 13:29:09,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,896 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-12-02 13:29:09,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:09,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:09,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 13:29:09,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:09,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:09,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:09,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 13:29:09,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 13:29:09,911 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 13:29:09,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-12-02 13:29:09,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,918 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-12-02 13:29:09,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:09,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:09,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 13:29:09,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:09,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:09,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:09,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 13:29:09,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 13:29:09,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 13:29:09,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-12-02 13:29:09,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,939 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-12-02 13:29:09,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 13:29:09,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 13:29:09,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 13:29:09,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 13:29:09,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 13:29:09,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 13:29:09,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 13:29:09,961 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 13:29:09,966 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-12-02 13:29:09,966 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-12-02 13:29:09,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:29:09,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:09,968 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:09,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-12-02 13:29:09,971 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 13:29:09,983 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-12-02 13:29:09,983 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 13:29:09,983 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~m~0#1) = 1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [1*ULTIMATE.start_main_~m~0#1 - 1 >= 0] [2024-12-02 13:29:09,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-12-02 13:29:09,994 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-12-02 13:29:10,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:10,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:29:10,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:10,036 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:29:10,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:29:10,055 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-12-02 13:29:10,055 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:29:10,082 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 5 states. [2024-12-02 13:29:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 13:29:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:29:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-12-02 13:29:10,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2024-12-02 13:29:10,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:10,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 6 letters. Loop has 2 letters. [2024-12-02 13:29:10,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:10,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 4 letters. [2024-12-02 13:29:10,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 13:29:10,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-12-02 13:29:10,085 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 13:29:10,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-12-02 13:29:10,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 13:29:10,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 13:29:10,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 13:29:10,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 13:29:10,085 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:29:10,085 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:29:10,085 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:29:10,085 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-12-02 13:29:10,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:29:10,086 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 13:29:10,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 13:29:10,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 01:29:10 BoogieIcfgContainer [2024-12-02 13:29:10,092 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 13:29:10,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:29:10,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:29:10,093 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:29:10,094 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:29:07" (3/4) ... [2024-12-02 13:29:10,096 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:29:10,096 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:29:10,097 INFO L158 Benchmark]: Toolchain (without parser) took 2868.32ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 66.9MB in the end (delta: 25.7MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-12-02 13:29:10,097 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:29:10,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.80ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:29:10,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.38ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.7MB in the end (delta: 788.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:29:10,098 INFO L158 Benchmark]: Boogie Preprocessor took 21.31ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:29:10,098 INFO L158 Benchmark]: RCFGBuilder took 156.12ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 72.1MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:29:10,099 INFO L158 Benchmark]: BuchiAutomizer took 2494.79ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 67.6MB in the end (delta: 4.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-12-02 13:29:10,099 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 66.9MB in the end (delta: 707.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:29:10,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.80ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.38ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.7MB in the end (delta: 788.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.31ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 156.12ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 72.1MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2494.79ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 67.6MB in the end (delta: 4.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 66.9MB in the end (delta: 707.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function i and consists of 3 locations. One deterministic module has affine ranking function (i + ((long) -1 * m)) and consists of 4 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 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: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 36 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax176 hnf100 lsp56 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq138 hnf95 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 13:29:10,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-12-02 13:29:10,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:29:10,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7862786d-3f15-420c-b5de-022d4d353856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE