./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/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_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/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 32bit --witnessprinter.graph.data.programhash f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:17:58,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:17:58,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 16:17:59,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:17:59,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:17:59,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:17:59,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:17:59,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:17:59,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:17:59,037 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:17:59,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:17:59,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:17:59,038 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:17:59,038 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 16:17:59,038 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 16:17:59,039 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 16:17:59,039 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 16:17:59,039 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 16:17:59,039 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 16:17:59,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:17:59,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 16:17:59,040 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:17:59,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:17:59,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:17:59,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:17:59,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 16:17:59,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 16:17:59,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 16:17:59,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:17:59,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:17:59,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:17:59,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:17:59,042 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 16:17:59,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:17:59,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:17:59,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:17:59,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:17:59,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:17:59,043 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 16:17:59,043 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_8285100a-13ec-4207-b795-f487af9bc1cb/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 [2024-11-13 16:17:59,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:17:59,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:17:59,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:17:59,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:17:59,457 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:17:59,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loops/trex02-1.c Unable to find full path for "g++" [2024-11-13 16:18:01,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:18:02,384 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:18:02,391 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/sv-benchmarks/c/loops/trex02-1.c [2024-11-13 16:18:02,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/data/9db7196a1/ba1f488a1ff6447dabad7732fd82bc90/FLAGc4fd9d28c [2024-11-13 16:18:02,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/data/9db7196a1/ba1f488a1ff6447dabad7732fd82bc90 [2024-11-13 16:18:02,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:18:02,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:18:02,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:18:02,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:18:02,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:18:02,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533e41e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02, skipping insertion in model container [2024-11-13 16:18:02,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:18:02,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:18:02,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:18:02,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:18:02,847 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:18:02,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02 WrapperNode [2024-11-13 16:18:02,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:18:02,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:18:02,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:18:02,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:18:02,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,893 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 38 [2024-11-13 16:18:02,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:18:02,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:18:02,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:18:02,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:18:02,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,911 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,930 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 16:18:02,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:18:02,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:18:02,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:18:02,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:18:02,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (1/1) ... [2024-11-13 16:18:02,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:18:02,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:02,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:18:02,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 16:18:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:18:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:18:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:18:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:18:03,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:18:03,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:18:03,251 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 16:18:03,252 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:18:03,268 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:18:03,268 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:18:03,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:18:03 BoogieIcfgContainer [2024-11-13 16:18:03,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:18:03,270 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 16:18:03,270 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 16:18:03,276 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 16:18:03,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:18:03,278 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 04:18:02" (1/3) ... [2024-11-13 16:18:03,279 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a35845d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:18:03, skipping insertion in model container [2024-11-13 16:18:03,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:18:03,280 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:02" (2/3) ... [2024-11-13 16:18:03,280 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a35845d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:18:03, skipping insertion in model container [2024-11-13 16:18:03,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:18:03,281 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:18:03" (3/3) ... [2024-11-13 16:18:03,282 INFO L333 chiAutomizerObserver]: Analyzing ICFG trex02-1.c [2024-11-13 16:18:03,358 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 16:18:03,358 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 16:18:03,358 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 16:18:03,359 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 16:18:03,359 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 16:18:03,359 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 16:18:03,359 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 16:18:03,360 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 16:18:03,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:18:03,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:18:03,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:18:03,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:18:03,395 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 16:18:03,395 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 16:18:03,396 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 16:18:03,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:18:03,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:18:03,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:18:03,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:18:03,398 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 16:18:03,398 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 16:18:03,408 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~x~0 := 0; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_~c~0#1;havoc main_#t~nondet5#1;~x~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10#L23-2true [2024-11-13 16:18:03,408 INFO L747 eck$LassoCheckResult]: Loop: 10#L23-2true assume !!(~x~0 > 0);havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;main_~c~0#1 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1; 4#L25true assume 0 != main_~c~0#1 % 256;assume { :begin_inline_foo } true;havoc foo_#t~post4#1;foo_#t~post4#1 := ~x~0;~x~0 := foo_#t~post4#1 - 1;havoc foo_#t~post4#1; 8#L17true havoc foo_#t~post4#1;assume { :end_inline_foo } true; 9#L25-2true havoc main_~c~0#1; 10#L23-2true [2024-11-13 16:18:03,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:03,416 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 16:18:03,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:18:03,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945211104] [2024-11-13 16:18:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:03,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:18:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:18:03,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:18:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:18:03,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:18:03,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:03,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1234410, now seen corresponding path program 1 times [2024-11-13 16:18:03,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:18:03,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091593735] [2024-11-13 16:18:03,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:03,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:18:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:18:03,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:18:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:18:03,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:18:03,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:03,671 INFO L85 PathProgramCache]: Analyzing trace with hash 889661612, now seen corresponding path program 1 times [2024-11-13 16:18:03,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:18:03,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881558732] [2024-11-13 16:18:03,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:03,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:18:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:18:03,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:18:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:18:03,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:18:03,900 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:18:03,901 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:18:03,902 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:18:03,902 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:18:03,902 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:18:03,903 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:18:03,903 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:18:03,903 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:18:03,903 INFO L132 ssoRankerPreferences]: Filename of dumped script: trex02-1.c_Iteration1_Loop [2024-11-13 16:18:03,904 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:18:03,904 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:18:03,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:18:03,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:18:03,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:18:03,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:18:04,047 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:18:04,048 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:18:04,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:18:04,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:04,054 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:18:04,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 16:18:04,060 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:18:04,061 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:18:04,090 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:18:04,090 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: [] Lambdas: [] Nus: [] [2024-11-13 16:18:04,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 16:18:04,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:18:04,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:04,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:18:04,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 16:18:04,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:18:04,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:18:04,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:18:04,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:18:04,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:04,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:18:04,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 16:18:04,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:18:04,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:18:04,236 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 16:18:04,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:18:04,242 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:18:04,242 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:18:04,242 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:18:04,242 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:18:04,242 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 16:18:04,242 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:18:04,242 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:18:04,242 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:18:04,243 INFO L132 ssoRankerPreferences]: Filename of dumped script: trex02-1.c_Iteration1_Loop [2024-11-13 16:18:04,243 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:18:04,243 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:18:04,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:18:04,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:18:04,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:18:04,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:18:04,357 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:18:04,369 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 16:18:04,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:18:04,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:04,374 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:18:04,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 16:18:04,379 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 16:18:04,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:18:04,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 16:18:04,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:18:04,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:18:04,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:18:04,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 16:18:04,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 16:18:04,414 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 16:18:04,421 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 16:18:04,426 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 16:18:04,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:18:04,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:04,432 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:18:04,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 16:18:04,434 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 16:18:04,434 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 16:18:04,435 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 16:18:04,435 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] [2024-11-13 16:18:04,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 16:18:04,456 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 16:18:04,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:04,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:18:04,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:04,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:18:04,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:04,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 16:18:04,701 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 16:18:04,745 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-13 16:18:04,748 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:18:04,827 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 42 transitions. Complement of second has 7 states. [2024-11-13 16:18:04,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-13 16:18:04,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:18:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-11-13 16:18:04,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-13 16:18:04,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:18:04,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-13 16:18:04,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:18:04,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-13 16:18:04,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:18:04,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2024-11-13 16:18:04,857 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:18:04,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2024-11-13 16:18:04,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 16:18:04,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 16:18:04,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 16:18:04,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 16:18:04,861 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:18:04,862 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:18:04,862 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:18:04,862 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 16:18:04,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:18:04,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:18:04,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 16:18:04,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 04:18:04 BoogieIcfgContainer [2024-11-13 16:18:04,873 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 16:18:04,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:18:04,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:18:04,875 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:18:04,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:18:03" (3/4) ... [2024-11-13 16:18:04,879 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:18:04,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:18:04,881 INFO L158 Benchmark]: Toolchain (without parser) took 2374.50ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 84.5MB in the end (delta: 10.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-13 16:18:04,881 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:18:04,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.80ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 84.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:18:04,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.84ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:18:04,883 INFO L158 Benchmark]: Boogie Preprocessor took 48.42ms. Allocated memory is still 117.4MB. Free memory was 83.2MB 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 16:18:04,883 INFO L158 Benchmark]: RCFGBuilder took 323.43ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 71.9MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:18:04,884 INFO L158 Benchmark]: BuchiAutomizer took 1603.20ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 84.5MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:18:04,884 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 84.5MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:18:04,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.80ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 84.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.84ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.42ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 323.43ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 71.9MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1603.20ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 84.5MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 84.5MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 65ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 16:18:04,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8285100a-13ec-4207-b795-f487af9bc1cb/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