./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Continue1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Continue1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd --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 a40571433f24a7b15b183b3095b5da43803830f9d641dfe0ea4f99a62ff28fda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:55:53,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:55:53,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 12:55:53,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:55:53,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:55:53,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:55:53,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:55:53,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:55:53,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:55:53,953 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:55:53,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:55:53,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:55:53,954 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:55:53,954 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 12:55:53,954 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 12:55:53,954 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 12:55:53,954 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 12:55:53,954 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 12:55:53,954 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 12:55:53,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:55:53,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 12:55:53,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:55:53,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:55:53,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 12:55:53,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 12:55:53,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 12:55:53,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:55:53,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:55:53,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:55:53,957 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 12:55:53,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:55:53,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:55:53,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:55:53,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:55:53,958 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:55:53,958 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 12:55:53,958 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_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd 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 -> a40571433f24a7b15b183b3095b5da43803830f9d641dfe0ea4f99a62ff28fda [2024-11-13 12:55:54,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:55:54,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:55:54,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:55:54,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:55:54,282 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:55:54,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-restricted-15/java_Continue1.c Unable to find full path for "g++" [2024-11-13 12:55:56,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:55:56,477 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:55:56,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/sv-benchmarks/c/termination-restricted-15/java_Continue1.c [2024-11-13 12:55:56,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/data/5b654f5d1/1f34d39bac8b42929a13c06bc96ec062/FLAG89a67573f [2024-11-13 12:55:56,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/data/5b654f5d1/1f34d39bac8b42929a13c06bc96ec062 [2024-11-13 12:55:56,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:55:56,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:55:56,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:55:56,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:55:56,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:55:56,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:55:56" (1/1) ... [2024-11-13 12:55:56,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9bbb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:56, skipping insertion in model container [2024-11-13 12:55:56,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:55:56" (1/1) ... [2024-11-13 12:55:56,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:55:57,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:55:57,029 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:55:57,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:55:57,055 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:55:57,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57 WrapperNode [2024-11-13 12:55:57,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:55:57,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:55:57,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:55:57,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:55:57,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,079 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2024-11-13 12:55:57,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:55:57,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:55:57,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:55:57,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:55:57,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,095 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 12:55:57,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:55:57,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:55:57,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:55:57,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:55:57,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (1/1) ... [2024-11-13 12:55:57,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:57,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:57,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:57,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 12:55:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:55:57,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:55:57,281 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:55:57,283 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:55:57,342 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-13 12:55:57,343 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:55:57,354 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:55:57,354 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:55:57,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:55:57 BoogieIcfgContainer [2024-11-13 12:55:57,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:55:57,356 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 12:55:57,356 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 12:55:57,363 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 12:55:57,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:55:57,364 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 12:55:56" (1/3) ... [2024-11-13 12:55:57,365 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f40bad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 12:55:57, skipping insertion in model container [2024-11-13 12:55:57,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:55:57,366 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:55:57" (2/3) ... [2024-11-13 12:55:57,366 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f40bad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 12:55:57, skipping insertion in model container [2024-11-13 12:55:57,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:55:57,367 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:55:57" (3/3) ... [2024-11-13 12:55:57,368 INFO L333 chiAutomizerObserver]: Analyzing ICFG java_Continue1.c [2024-11-13 12:55:57,432 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 12:55:57,433 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 12:55:57,433 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 12:55:57,433 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 12:55:57,433 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 12:55:57,433 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 12:55:57,434 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 12:55:57,434 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 12:55:57,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:55:57,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:55:57,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:55:57,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:55:57,467 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 12:55:57,467 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 12:55:57,467 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 12:55:57,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:55:57,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:55:57,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:55:57,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:55:57,470 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 12:55:57,470 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 12:55:57,478 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~c~0#1;main_~i~0#1 := 0;main_~c~0#1 := 0; 2#L12-2true [2024-11-13 12:55:57,478 INFO L747 eck$LassoCheckResult]: Loop: 2#L12-2true assume !!(main_~i~0#1 < 20);main_~i~0#1 := 1 + main_~i~0#1; 8#L12true assume main_~i~0#1 <= 10; 2#L12-2true [2024-11-13 12:55:57,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:55:57,485 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 12:55:57,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:55:57,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266483032] [2024-11-13 12:55:57,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:55:57,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:55:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:57,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:55:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:57,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:55:57,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:55:57,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2024-11-13 12:55:57,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:55:57,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997991139] [2024-11-13 12:55:57,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:55:57,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:55:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:57,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:55:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:57,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:55:57,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:55:57,654 INFO L85 PathProgramCache]: Analyzing trace with hash 925766, now seen corresponding path program 1 times [2024-11-13 12:55:57,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:55:57,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162421664] [2024-11-13 12:55:57,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:55:57,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:55:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:57,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:55:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:57,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:55:57,790 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 12:55:57,791 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 12:55:57,792 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 12:55:57,792 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 12:55:57,792 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 12:55:57,792 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:57,793 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 12:55:57,794 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 12:55:57,795 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Continue1.c_Iteration1_Loop [2024-11-13 12:55:57,795 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 12:55:57,796 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 12:55:57,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:57,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:57,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:57,983 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 12:55:57,983 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 12:55:57,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:57,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:57,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:57,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 12:55:57,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:55:57,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:58,023 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:55:58,024 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:55:58,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 12:55:58,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:58,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:58,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:58,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 12:55:58,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:55:58,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:58,066 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:55:58,067 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:55:58,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 12:55:58,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:58,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:58,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:58,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 12:55:58,084 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:55:58,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:58,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 12:55:58,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:58,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:58,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:58,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 12:55:58,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 12:55:58,115 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:58,259 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 12:55:58,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 12:55:58,262 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 12:55:58,262 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 12:55:58,262 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 12:55:58,262 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 12:55:58,263 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 12:55:58,263 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:58,263 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 12:55:58,263 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 12:55:58,263 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Continue1.c_Iteration1_Loop [2024-11-13 12:55:58,263 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 12:55:58,263 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 12:55:58,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:58,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:58,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:58,351 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 12:55:58,356 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 12:55:58,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:58,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:58,360 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:58,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 12:55:58,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:55:58,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:55:58,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:55:58,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:55:58,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:55:58,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:55:58,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:55:58,420 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:55:58,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 12:55:58,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:58,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:58,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:58,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 12:55:58,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:55:58,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:55:58,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:55:58,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:55:58,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:55:58,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:55:58,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:55:58,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:55:58,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-13 12:55:58,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:58,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:58,496 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:58,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 12:55:58,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:55:58,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:55:58,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:55:58,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:55:58,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:55:58,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:55:58,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:55:58,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:55:58,529 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 12:55:58,534 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 12:55:58,539 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 12:55:58,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:58,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:58,544 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:58,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 12:55:58,546 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 12:55:58,546 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 12:55:58,546 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 12:55:58,547 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 19 Supporting invariants [] [2024-11-13 12:55:58,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 12:55:58,564 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 12:55:58,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:55:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:55:58,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:55:58,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:55:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:55:58,629 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:55:58,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:55:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:55:58,706 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 12:55:58,708 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:55:58,813 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 18 states and 25 transitions. Complement of second has 6 states. [2024-11-13 12:55:58,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 12:55:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:55:58,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 12:55:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-11-13 12:55:58,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-13 12:55:58,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:55:58,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-13 12:55:58,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:55:58,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-13 12:55:58,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:55:58,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2024-11-13 12:55:58,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:55:58,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 9 states and 12 transitions. [2024-11-13 12:55:58,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-13 12:55:58,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-13 12:55:58,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-13 12:55:58,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 12:55:58,854 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-13 12:55:58,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-13 12:55:58,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-11-13 12:55:58,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:55:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-11-13 12:55:58,886 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-13 12:55:58,886 INFO L424 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-13 12:55:58,886 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 12:55:58,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-11-13 12:55:58,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:55:58,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:55:58,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:55:58,889 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 12:55:58,890 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 12:55:58,890 INFO L745 eck$LassoCheckResult]: Stem: 66#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 67#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~c~0#1;main_~i~0#1 := 0;main_~c~0#1 := 0; 68#L12-2 assume !!(main_~i~0#1 < 20);main_~i~0#1 := 1 + main_~i~0#1; 63#L12 [2024-11-13 12:55:58,890 INFO L747 eck$LassoCheckResult]: Loop: 63#L12 assume !(main_~i~0#1 <= 10);main_~c~0#1 := 1 + main_~c~0#1; 62#L12-2 assume !!(main_~i~0#1 < 20);main_~i~0#1 := 1 + main_~i~0#1; 63#L12 [2024-11-13 12:55:58,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:55:58,892 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-13 12:55:58,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:55:58,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519014236] [2024-11-13 12:55:58,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:55:58,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:55:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:58,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:55:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:58,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:55:58,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:55:58,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2024-11-13 12:55:58,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:55:58,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968624118] [2024-11-13 12:55:58,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:55:58,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:55:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:58,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:55:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:55:58,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:55:58,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:55:58,934 INFO L85 PathProgramCache]: Analyzing trace with hash 28698818, now seen corresponding path program 1 times [2024-11-13 12:55:58,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:55:58,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506382421] [2024-11-13 12:55:58,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:55:58,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:55:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:55:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:55:59,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:55:59,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506382421] [2024-11-13 12:55:59,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506382421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:55:59,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:55:59,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:55:59,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396161262] [2024-11-13 12:55:59,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:55:59,112 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 12:55:59,112 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 12:55:59,112 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 12:55:59,112 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 12:55:59,112 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 12:55:59,112 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,112 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 12:55:59,112 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 12:55:59,113 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Continue1.c_Iteration2_Loop [2024-11-13 12:55:59,113 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 12:55:59,113 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 12:55:59,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:59,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:59,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:59,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:59,221 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 12:55:59,221 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 12:55:59,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,224 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 12:55:59,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:55:59,228 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:59,252 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:55:59,252 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:55:59,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 12:55:59,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,268 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 12:55:59,270 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:55:59,270 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:59,292 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:55:59,292 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:55:59,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 12:55:59,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,310 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 12:55:59,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:55:59,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:59,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 12:55:59,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,348 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 12:55:59,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 12:55:59,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:59,382 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:55:59,382 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=4}, {ULTIMATE.start_main_~c~0#1=-8}, {ULTIMATE.start_main_~c~0#1=5}] Lambdas: [3, 1, 1] Nus: [1, 0] [2024-11-13 12:55:59,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 12:55:59,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,399 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 12:55:59,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:55:59,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:59,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 12:55:59,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,437 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 12:55:59,438 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 12:55:59,439 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:55:59,453 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 12:55:59,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 12:55:59,465 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 12:55:59,466 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 12:55:59,466 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 12:55:59,466 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 12:55:59,466 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 12:55:59,466 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,466 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 12:55:59,466 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 12:55:59,466 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Continue1.c_Iteration2_Loop [2024-11-13 12:55:59,466 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 12:55:59,466 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 12:55:59,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:59,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:59,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:59,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:55:59,567 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 12:55:59,567 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 12:55:59,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,570 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 12:55:59,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:55:59,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:55:59,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:55:59,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:55:59,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:55:59,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:55:59,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:55:59,608 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:55:59,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-13 12:55:59,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,638 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 12:55:59,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:55:59,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:55:59,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:55:59,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:55:59,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:55:59,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:55:59,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:55:59,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:55:59,662 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:55:59,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-13 12:55:59,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,678 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 12:55:59,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:55:59,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:55:59,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:55:59,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:55:59,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:55:59,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:55:59,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:55:59,701 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:55:59,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 12:55:59,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,724 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 12:55:59,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:55:59,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:55:59,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:55:59,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:55:59,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:55:59,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:55:59,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:55:59,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:55:59,752 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 12:55:59,756 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 12:55:59,756 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 12:55:59,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:55:59,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:55:59,760 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:55:59,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 12:55:59,767 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 12:55:59,767 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 12:55:59,767 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 12:55:59,767 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 39 Supporting invariants [] [2024-11-13 12:55:59,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-13 12:55:59,789 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 12:55:59,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:55:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:55:59,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:55:59,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:55:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:55:59,857 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:55:59,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:55:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:55:59,864 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 12:55:59,865 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:55:59,884 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. 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 12 states and 16 transitions. Complement of second has 4 states. [2024-11-13 12:55:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 12:55:59,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:55:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-13 12:55:59,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-13 12:55:59,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:55:59,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 12:55:59,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:55:59,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-13 12:55:59,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:55:59,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2024-11-13 12:55:59,889 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 12:55:59,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2024-11-13 12:55:59,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 12:55:59,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 12:55:59,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 12:55:59,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 12:55:59,889 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:55:59,889 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:55:59,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:55:59,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:55:59,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:55:59,896 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:55:59,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:55:59,898 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-13 12:55:59,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-13 12:55:59,899 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 12:55:59,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 12:55:59,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 12:55:59,899 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 12:55:59,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 12:55:59,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 12:55:59,899 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:55:59,899 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:55:59,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:55:59,900 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:55:59,900 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 12:55:59,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 12:55:59,901 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 12:55:59,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 12:55:59,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 12:55:59 BoogieIcfgContainer [2024-11-13 12:55:59,916 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 12:55:59,917 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:55:59,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:55:59,917 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:55:59,918 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:55:57" (3/4) ... [2024-11-13 12:55:59,921 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:55:59,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:55:59,923 INFO L158 Benchmark]: Toolchain (without parser) took 3118.14ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 62.1MB in the end (delta: 31.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-13 12:55:59,923 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:55:59,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.65ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:55:59,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.44ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:55:59,924 INFO L158 Benchmark]: Boogie Preprocessor took 27.93ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.4MB in the end (delta: 782.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:55:59,925 INFO L158 Benchmark]: RCFGBuilder took 245.83ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 73.2MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:55:59,925 INFO L158 Benchmark]: BuchiAutomizer took 2560.44ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 62.1MB in the end (delta: 11.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-13 12:55:59,926 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:55:59,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.65ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.44ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.93ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.4MB in the end (delta: 782.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 245.83ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 73.2MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2560.44ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 62.1MB in the end (delta: 11.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 14.1kB). 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -2 * i) + 19) and consists of 4 locations. One deterministic module has affine ranking function (((long) -2 * i) + 39) 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 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax193 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 63ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 12:55:59,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-13 12:56:00,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f9d934-e4f6-4491-86ea-0e6b9a207c17/bin/uautomizer-verify-qhAvR1uOyd/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