./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/float-benchs/Muller_Kahan.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/float-benchs/Muller_Kahan.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU --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 61ce2c272542663cace3442e405f7ab093d2a72e636da199b8b44596c79af6c9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:33,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:33,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:17:33,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:33,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:33,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:33,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:33,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:33,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:33,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:33,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:33,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:33,668 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:33,669 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:17:33,669 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:17:33,670 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:17:33,671 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:17:33,673 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:17:33,676 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:17:33,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:33,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:17:33,678 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:17:33,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:33,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:17:33,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:33,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:17:33,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:17:33,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:17:33,681 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:33,681 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:33,681 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:17:33,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:33,682 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:17:33,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:33,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:33,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:33,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:33,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:33,684 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:17:33,684 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61ce2c272542663cace3442e405f7ab093d2a72e636da199b8b44596c79af6c9 [2024-10-31 22:17:33,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:33,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:33,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:34,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:34,001 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:34,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/float-benchs/Muller_Kahan.c Unable to find full path for "g++" [2024-10-31 22:17:36,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:36,257 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:36,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/sv-benchmarks/c/float-benchs/Muller_Kahan.c [2024-10-31 22:17:36,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/data/e7a74711d/005c9bd0d63c4c85818d3eeaf1f7af69/FLAG0381874c4 [2024-10-31 22:17:36,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/data/e7a74711d/005c9bd0d63c4c85818d3eeaf1f7af69 [2024-10-31 22:17:36,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:36,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:36,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:36,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:36,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:36,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6e76ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36, skipping insertion in model container [2024-10-31 22:17:36,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:36,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:36,536 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:36,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:36,567 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:36,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36 WrapperNode [2024-10-31 22:17:36,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:36,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:36,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:36,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:36,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,607 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-10-31 22:17:36,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:36,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:36,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:36,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:36,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,630 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]. [2024-10-31 22:17:36,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:36,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:36,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:36,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:36,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (1/1) ... [2024-10-31 22:17:36,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:36,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:36,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:36,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:17:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:17:36,855 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:36,860 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:37,007 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:37,008 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:37,025 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:37,026 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:17:37,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:37 BoogieIcfgContainer [2024-10-31 22:17:37,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:37,028 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:17:37,028 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:17:37,032 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:17:37,033 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:17:37,035 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:17:36" (1/3) ... [2024-10-31 22:17:37,036 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42792a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:17:37, skipping insertion in model container [2024-10-31 22:17:37,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:17:37,037 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:36" (2/3) ... [2024-10-31 22:17:37,037 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42792a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:17:37, skipping insertion in model container [2024-10-31 22:17:37,039 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:17:37,039 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:37" (3/3) ... [2024-10-31 22:17:37,041 INFO L332 chiAutomizerObserver]: Analyzing ICFG Muller_Kahan.c [2024-10-31 22:17:37,128 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:17:37,128 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:17:37,129 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:17:37,129 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:17:37,129 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:17:37,129 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:17:37,130 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:17:37,130 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:17:37,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:37,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:17:37,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:37,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:37,161 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:17:37,162 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:17:37,162 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:17:37,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:37,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:17:37,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:37,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:37,165 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:17:37,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:17:37,173 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_~x0~0#1, main_~x1~0#1, main_~x2~0#1, main_~i~0#1;havoc main_~x0~0#1;havoc main_~x1~0#1;havoc main_~x2~0#1;havoc main_~i~0#1;main_~x0~0#1 := ~someBinaryArithmeticDOUBLEoperation(11.0, 2.0);main_~x1~0#1 := ~someBinaryArithmeticDOUBLEoperation(61.0, 11.0);main_~i~0#1 := 0; 3#L21-3true [2024-10-31 22:17:37,174 INFO L747 eck$LassoCheckResult]: Loop: 3#L21-3true assume !!(main_~i~0#1 < 100);main_~x2~0#1 := ~someBinaryArithmeticDOUBLEoperation(111.0, ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(1130.0, ~someBinaryArithmeticDOUBLEoperation(3000.0, main_~x0~0#1)), main_~x1~0#1));main_~x0~0#1 := main_~x1~0#1;main_~x1~0#1 := main_~x2~0#1; 8#L21-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3#L21-3true [2024-10-31 22:17:37,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:37,182 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:17:37,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:37,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69556047] [2024-10-31 22:17:37,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:37,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:37,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:37,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:37,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:37,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-10-31 22:17:37,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:37,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568934940] [2024-10-31 22:17:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:37,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:37,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:37,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:37,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:37,394 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-10-31 22:17:37,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:37,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553510652] [2024-10-31 22:17:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:37,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:37,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:37,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:37,537 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:37,538 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:37,538 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:37,538 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:37,538 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:17:37,539 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:37,539 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:37,539 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:37,539 INFO L132 ssoRankerPreferences]: Filename of dumped script: Muller_Kahan.c_Iteration1_Loop [2024-10-31 22:17:37,539 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:37,540 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:37,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:37,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:37,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:37,650 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:37,650 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:17:37,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:37,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:37,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:37,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:17:37,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:37,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:37,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:17:37,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:37,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:37,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:37,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:17:37,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:17:37,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:37,744 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:17:37,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:37,748 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:37,749 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:37,749 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:37,749 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:37,749 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:17:37,749 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:37,749 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:37,749 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:37,750 INFO L132 ssoRankerPreferences]: Filename of dumped script: Muller_Kahan.c_Iteration1_Loop [2024-10-31 22:17:37,750 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:37,750 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:37,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:37,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:37,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:37,815 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:37,820 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:17:37,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:37,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:37,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:37,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:17:37,828 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 [2024-10-31 22:17:37,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:37,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:37,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:37,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:37,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:37,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:37,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:37,854 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:17:37,860 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:17:37,860 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:17:37,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:37,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:37,869 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:37,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:17:37,874 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:17:37,874 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:17:37,875 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:17:37,876 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199 Supporting invariants [] [2024-10-31 22:17:37,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:37,894 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:17:37,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:37,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:17:37,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:37,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:17:37,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:38,069 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 [2024-10-31 22:17:38,071 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2024-10-31 22:17:38,128 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 22 states and 27 transitions. Complement of second has 6 states. [2024-10-31 22:17:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:17:38,138 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) [2024-10-31 22:17:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-31 22:17:38,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-31 22:17:38,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:38,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-31 22:17:38,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:38,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-31 22:17:38,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:38,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2024-10-31 22:17:38,151 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:17:38,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2024-10-31 22:17:38,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:17:38,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:17:38,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:17:38,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:17:38,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:17:38,158 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:17:38,158 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:17:38,158 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:17:38,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:17:38,159 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:17:38,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:17:38,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:17:38 BoogieIcfgContainer [2024-10-31 22:17:38,168 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:17:38,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:17:38,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:17:38,169 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:17:38,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:37" (3/4) ... [2024-10-31 22:17:38,174 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:17:38,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:17:38,176 INFO L158 Benchmark]: Toolchain (without parser) took 1884.81ms. Allocated memory is still 138.4MB. Free memory was 108.4MB in the beginning and 63.7MB in the end (delta: 44.7MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-10-31 22:17:38,177 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:17:38,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.55ms. Allocated memory is still 138.4MB. Free memory was 108.4MB in the beginning and 96.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:17:38,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.90ms. Allocated memory is still 138.4MB. Free memory was 96.6MB in the beginning and 95.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:17:38,181 INFO L158 Benchmark]: Boogie Preprocessor took 37.92ms. Allocated memory is still 138.4MB. Free memory was 95.1MB in the beginning and 93.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:17:38,182 INFO L158 Benchmark]: RCFGBuilder took 377.10ms. Allocated memory is still 138.4MB. Free memory was 93.2MB in the beginning and 103.5MB in the end (delta: -10.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:17:38,183 INFO L158 Benchmark]: BuchiAutomizer took 1140.23ms. Allocated memory is still 138.4MB. Free memory was 103.5MB in the beginning and 63.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-10-31 22:17:38,183 INFO L158 Benchmark]: Witness Printer took 6.61ms. Allocated memory is still 138.4MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:17:38,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.55ms. Allocated memory is still 138.4MB. Free memory was 108.4MB in the beginning and 96.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.90ms. Allocated memory is still 138.4MB. Free memory was 96.6MB in the beginning and 95.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.92ms. Allocated memory is still 138.4MB. Free memory was 95.1MB in the beginning and 93.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.10ms. Allocated memory is still 138.4MB. Free memory was 93.2MB in the beginning and 103.5MB in the end (delta: -10.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1140.23ms. Allocated memory is still 138.4MB. Free memory was 103.5MB in the beginning and 63.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 6.61ms. Allocated memory is still 138.4MB. Free memory is still 63.7MB. 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 * i) + 199) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 6 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: 53ms 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! [2024-10-31 22:17:38,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:38,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2bd8d9d-c1c9-4eda-8682-89a7d51ff00c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE