./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/float-benchs/drift_tenth.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu --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 cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:42,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:42,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:39:42,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:42,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:42,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:42,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:42,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:42,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:42,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:42,948 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:42,949 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:39:42,950 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:39:42,950 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:39:42,951 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:39:42,952 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:39:42,953 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:39:42,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:42,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:39:42,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:42,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:42,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:42,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:42,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:39:42,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:39:42,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:39:42,959 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:39:42,959 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:42,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:42,961 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:39:42,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:42,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:42,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:42,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:42,963 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:42,964 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:39:42,965 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_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 [2023-11-19 07:39:43,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:43,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:43,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:43,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:43,262 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:43,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-benchs/drift_tenth.c [2023-11-19 07:39:46,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:46,727 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:46,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/sv-benchmarks/c/float-benchs/drift_tenth.c [2023-11-19 07:39:46,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/data/aa1f45ffe/c4e85e8af9774ed988f3bcebb8078ae1/FLAG3ce92f242 [2023-11-19 07:39:46,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/data/aa1f45ffe/c4e85e8af9774ed988f3bcebb8078ae1 [2023-11-19 07:39:46,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:46,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:46,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:46,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:46,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:46,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:46" (1/1) ... [2023-11-19 07:39:46,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e8048e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:46, skipping insertion in model container [2023-11-19 07:39:46,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:46" (1/1) ... [2023-11-19 07:39:46,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:46,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:46,971 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:46,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:47,001 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:47,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47 WrapperNode [2023-11-19 07:39:47,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:47,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:47,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:47,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:47,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,040 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2023-11-19 07:39:47,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:47,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:47,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:47,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:47,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:47,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:47,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:47,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:47,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (1/1) ... [2023-11-19 07:39:47,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:47,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:47,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:47,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:47,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:47,246 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:47,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:47,370 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:47,383 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:47,384 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:39:47,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:47 BoogieIcfgContainer [2023-11-19 07:39:47,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:47,390 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:39:47,391 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:39:47,395 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:39:47,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:47,397 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:39:46" (1/3) ... [2023-11-19 07:39:47,398 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38a3eafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:39:47, skipping insertion in model container [2023-11-19 07:39:47,398 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:47,399 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:47" (2/3) ... [2023-11-19 07:39:47,401 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38a3eafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:39:47, skipping insertion in model container [2023-11-19 07:39:47,401 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:47,401 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:47" (3/3) ... [2023-11-19 07:39:47,403 INFO L332 chiAutomizerObserver]: Analyzing ICFG drift_tenth.c [2023-11-19 07:39:47,469 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:39:47,469 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:39:47,470 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:39:47,470 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:39:47,470 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:39:47,470 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:39:47,470 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:39:47,470 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:39:47,475 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) [2023-11-19 07:39:47,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:39:47,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:47,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:47,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:39:47,500 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:39:47,500 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:39:47,500 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) [2023-11-19 07:39:47,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:39:47,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:47,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:47,503 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:39:47,503 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:39:47,512 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_~tick~0#1, main_~time~0#1, main_~i~0#1;main_~tick~0#1 := ~someBinaryArithmeticFLOAToperation(1.0, 10.0);main_~time~0#1 := 0.0;havoc main_~i~0#1;main_~i~0#1 := 0; 11#L14-3true [2023-11-19 07:39:47,513 INFO L750 eck$LassoCheckResult]: Loop: 11#L14-3true assume !!(main_~i~0#1 < 10);main_~time~0#1 := ~someBinaryArithmeticFLOAToperation(main_~time~0#1, main_~tick~0#1); 12#L14-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11#L14-3true [2023-11-19 07:39:47,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:47,520 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 07:39:47,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:47,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306892895] [2023-11-19 07:39:47,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:47,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:47,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:47,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:47,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:47,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-19 07:39:47,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:47,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273591267] [2023-11-19 07:39:47,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:47,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:47,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:47,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:47,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:47,680 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-19 07:39:47,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:47,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129450229] [2023-11-19 07:39:47,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:47,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:47,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:47,852 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:39:47,853 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:39:47,853 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:39:47,854 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:39:47,854 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:39:47,854 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:47,854 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:39:47,854 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:39:47,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: drift_tenth.c_Iteration1_Loop [2023-11-19 07:39:47,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:39:47,856 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:39:47,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:39:47,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:39:47,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:39:47,994 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:39:47,995 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:39:48,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:48,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:48,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:48,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:39:48,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:39:48,010 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:39:48,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:48,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:48,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:48,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:48,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:39:48,043 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:39:48,043 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:39:48,082 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:39:48,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:48,086 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:39:48,086 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:39:48,086 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:39:48,086 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:39:48,087 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:39:48,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:48,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:39:48,087 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:39:48,087 INFO L133 ssoRankerPreferences]: Filename of dumped script: drift_tenth.c_Iteration1_Loop [2023-11-19 07:39:48,087 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:39:48,087 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:39:48,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:39:48,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:39:48,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:39:48,160 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:39:48,165 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:39:48,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:48,168 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:48,183 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 [2023-11-19 07:39:48,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:39:48,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:39:48,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:39:48,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:39:48,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:39:48,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:39:48,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:39:48,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:39:48,220 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:39:48,227 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:39:48,228 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:39:48,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:48,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:48,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:48,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:39:48,263 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:39:48,264 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:39:48,264 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:39:48,265 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 19 Supporting invariants [] [2023-11-19 07:39:48,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:48,301 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:39:48,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:48,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:39:48,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:48,414 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:39:48,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:39:48,520 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 [2023-11-19 07:39:48,522 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) [2023-11-19 07:39:48,611 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 26 states and 32 transitions. Complement of second has 8 states. [2023-11-19 07:39:48,613 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 [2023-11-19 07:39:48,620 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) [2023-11-19 07:39:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2023-11-19 07:39:48,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-19 07:39:48,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:39:48,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-19 07:39:48,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:39:48,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-19 07:39:48,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:39:48,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2023-11-19 07:39:48,641 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:39:48,644 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2023-11-19 07:39:48,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:39:48,645 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:39:48,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:39:48,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:39:48,646 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:39:48,646 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:39:48,646 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:39:48,646 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:39:48,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:39:48,646 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:39:48,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:39:48,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:39:48 BoogieIcfgContainer [2023-11-19 07:39:48,658 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:39:48,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:39:48,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:39:48,660 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:39:48,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:47" (3/4) ... [2023-11-19 07:39:48,663 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:39:48,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:39:48,665 INFO L158 Benchmark]: Toolchain (without parser) took 1908.33ms. Allocated memory is still 182.5MB. Free memory was 137.4MB in the beginning and 126.7MB in the end (delta: 10.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-19 07:39:48,665 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 123.7MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:48,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.96ms. Allocated memory is still 182.5MB. Free memory was 136.9MB in the beginning and 127.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:39:48,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.28ms. Allocated memory is still 182.5MB. Free memory was 127.0MB in the beginning and 125.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:48,669 INFO L158 Benchmark]: Boogie Preprocessor took 26.63ms. Allocated memory is still 182.5MB. Free memory was 125.8MB in the beginning and 124.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:48,671 INFO L158 Benchmark]: RCFGBuilder took 319.17ms. Allocated memory is still 182.5MB. Free memory was 124.3MB in the beginning and 115.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:39:48,671 INFO L158 Benchmark]: BuchiAutomizer took 1268.08ms. Allocated memory is still 182.5MB. Free memory was 115.4MB in the beginning and 127.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:48,672 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 182.5MB. Free memory was 127.8MB in the beginning and 126.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:48,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 123.7MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.96ms. Allocated memory is still 182.5MB. Free memory was 136.9MB in the beginning and 127.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.28ms. Allocated memory is still 182.5MB. Free memory was 127.0MB in the beginning and 125.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.63ms. Allocated memory is still 182.5MB. Free memory was 125.8MB in the beginning and 124.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.17ms. Allocated memory is still 182.5MB. Free memory was 124.3MB in the beginning and 115.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1268.08ms. Allocated memory is still 182.5MB. Free memory was 115.4MB in the beginning and 127.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 182.5MB. Free memory was 127.8MB in the beginning and 126.7MB in the end (delta: 1.0MB). 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 ((-2 * i) + 19) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 8 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: 98ms 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! [2023-11-19 07:39:48,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:48,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074579e4-6a04-45e2-9ef3-3490a66d6058/bin/uautomizer-verify-uCwYo4JHxu/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