./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-simple/nested_1b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-simple/nested_1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de4c7bf005639409d0c5506b91694c0a93e2905c64b2cd28aafb6e9617d859e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:20:37,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:20:37,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 03:20:37,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:20:37,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:20:37,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:20:37,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:20:37,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:20:37,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:20:37,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:20:37,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:20:37,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:20:37,393 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:20:37,393 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:20:37,393 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:20:37,393 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:20:37,393 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:20:37,393 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:20:37,393 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:20:37,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:20:37,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:20:37,395 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:20:37,395 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:20:37,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:20:37,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:20:37,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:20:37,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:20:37,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:20:37,396 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:20:37,396 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_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de4c7bf005639409d0c5506b91694c0a93e2905c64b2cd28aafb6e9617d859e5 [2024-11-28 03:20:37,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:20:37,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:20:37,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:20:37,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:20:37,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:20:37,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/loop-simple/nested_1b.c [2024-11-28 03:20:41,286 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/data/4b33a92e0/c2d69c6b6f9b46b091ff6a50daba4180/FLAG11900fc64 [2024-11-28 03:20:41,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:20:41,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/sv-benchmarks/c/loop-simple/nested_1b.c [2024-11-28 03:20:41,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/data/4b33a92e0/c2d69c6b6f9b46b091ff6a50daba4180/FLAG11900fc64 [2024-11-28 03:20:41,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/data/4b33a92e0/c2d69c6b6f9b46b091ff6a50daba4180 [2024-11-28 03:20:41,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:20:41,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:20:41,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:41,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:20:41,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:20:41,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6150f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41, skipping insertion in model container [2024-11-28 03:20:41,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:20:41,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:41,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:20:41,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:41,918 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:20:41,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41 WrapperNode [2024-11-28 03:20:41,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:41,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:41,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:20:41,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:20:41,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,956 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-28 03:20:41,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:41,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:20:41,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:20:41,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:20:41,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,984 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]. [2024-11-28 03:20:41,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,989 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:41,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:20:42,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:20:42,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:20:42,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:20:42,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (1/1) ... [2024-11-28 03:20:42,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:20:42,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:42,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:20:42,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:20:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:20:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:20:42,157 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:20:42,159 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:20:42,261 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-28 03:20:42,261 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:20:42,280 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:20:42,280 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:20:42,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:42 BoogieIcfgContainer [2024-11-28 03:20:42,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:20:42,283 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:20:42,285 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:20:42,294 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:20:42,294 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:20:42,295 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:20:41" (1/3) ... [2024-11-28 03:20:42,296 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a95fc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:20:42, skipping insertion in model container [2024-11-28 03:20:42,296 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:20:42,296 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:41" (2/3) ... [2024-11-28 03:20:42,296 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a95fc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:20:42, skipping insertion in model container [2024-11-28 03:20:42,296 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:20:42,297 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:42" (3/3) ... [2024-11-28 03:20:42,298 INFO L363 chiAutomizerObserver]: Analyzing ICFG nested_1b.c [2024-11-28 03:20:42,364 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:20:42,364 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:20:42,364 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:20:42,365 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:20:42,365 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:20:42,365 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:20:42,365 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:20:42,365 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:20:42,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:42,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:20:42,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:20:42,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:20:42,396 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 03:20:42,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:20:42,396 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:20:42,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:42,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:20:42,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:20:42,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:20:42,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 03:20:42,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:20:42,409 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre4#1, main_~a~0#1;main_~a~0#1 := 6;main_~a~0#1 := 0;" [2024-11-28 03:20:42,410 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~a~0#1 < 6;" "main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1;" [2024-11-28 03:20:42,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 03:20:42,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:20:42,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589868709] [2024-11-28 03:20:42,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:42,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:42,542 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:20:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:42,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:20:42,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:42,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1221, now seen corresponding path program 1 times [2024-11-28 03:20:42,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:20:42,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332005696] [2024-11-28 03:20:42,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:42,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:42,589 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:20:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:42,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:20:42,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:42,597 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-28 03:20:42,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:20:42,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49017449] [2024-11-28 03:20:42,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:42,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:42,612 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:20:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:42,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:20:42,694 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:20:42,695 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:20:42,695 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:20:42,695 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:20:42,695 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:20:42,695 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:20:42,696 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:20:42,696 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:20:42,696 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested_1b.c_Iteration1_Loop [2024-11-28 03:20:42,696 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:20:42,696 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:20:42,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:20:42,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:20:42,800 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:20:42,801 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:20:42,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:20:42,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:42,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:20:42,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 03:20:42,809 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:20:42,809 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:20:42,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 03:20:42,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:20:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:42,841 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:20:42,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 03:20:42,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:20:42,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:20:42,884 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:20:42,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 03:20:42,888 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:20:42,888 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:20:42,888 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:20:42,888 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:20:42,889 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:20:42,889 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:20:42,889 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:20:42,889 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:20:42,889 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested_1b.c_Iteration1_Loop [2024-11-28 03:20:42,889 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:20:42,889 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:20:42,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:20:42,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:20:42,943 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:20:42,948 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:20:42,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:20:42,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:42,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:20:42,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 03:20:42,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:20:42,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:20:42,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:20:42,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:20:42,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:20:42,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:20:42,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:20:42,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:20:42,991 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:20:42,998 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:20:43,002 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 03:20:43,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:20:43,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:43,013 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:20:43,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 03:20:43,017 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:20:43,017 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:20:43,018 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:20:43,019 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = -2*ULTIMATE.start_main_~a~0#1 + 11 Supporting invariants [] [2024-11-28 03:20:43,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 03:20:43,035 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:20:43,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:43,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:20:43,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:43,132 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:20:43,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:43,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 03:20:43,253 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 03:20:43,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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) [2024-11-28 03:20:43,349 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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 24 transitions. Complement of second has 8 states. [2024-11-28 03:20:43,351 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 [2024-11-28 03:20:43,356 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) [2024-11-28 03:20:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-28 03:20:43,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-28 03:20:43,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:20:43,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-28 03:20:43,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:20:43,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 03:20:43,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:20:43,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2024-11-28 03:20:43,376 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:20:43,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2024-11-28 03:20:43,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 03:20:43,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 03:20:43,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 03:20:43,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:20:43,384 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:20:43,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:20:43,384 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:20:43,384 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:20:43,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:20:43,385 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:20:43,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 03:20:43,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:20:43 BoogieIcfgContainer [2024-11-28 03:20:43,398 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:20:43,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:20:43,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:20:43,400 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:20:43,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:42" (3/4) ... [2024-11-28 03:20:43,403 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:20:43,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:20:43,410 INFO L158 Benchmark]: Toolchain (without parser) took 1778.52ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 91.8MB in the beginning and 144.6MB in the end (delta: -52.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-11-28 03:20:43,410 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:43,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.57ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 81.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:20:43,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.49ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:43,412 INFO L158 Benchmark]: Boogie Preprocessor took 40.15ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:20:43,412 INFO L158 Benchmark]: RCFGBuilder took 280.54ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 70.8MB in the end (delta: 8.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:43,416 INFO L158 Benchmark]: BuchiAutomizer took 1114.87ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 70.6MB in the beginning and 145.1MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:43,417 INFO L158 Benchmark]: Witness Printer took 6.07ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 144.6MB in the end (delta: 457.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:43,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.57ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 81.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.49ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.15ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 280.54ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 70.8MB in the end (delta: 8.0MB). There was no memory consumed. Max. memory is 16.1GB. * BuchiAutomizer took 1114.87ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 70.6MB in the beginning and 145.1MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.07ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 144.6MB in the end (delta: 457.0kB). 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 (((long long) -2 * a) + 11) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 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: 68ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 03:20:43,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a1f0ed-d819-4e6a-83c8-eacba4a6a672/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE