./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme --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 e45fd403bdea0e38df4202df32820dd99db87a388b8be6e5049c26042da28d7d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:44:29,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:44:29,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:44:29,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:44:29,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:44:29,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:44:29,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:44:29,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:44:29,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:44:29,377 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:44:29,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:44:29,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:44:29,380 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:44:29,383 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:44:29,383 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:44:29,384 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:44:29,384 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:44:29,385 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:44:29,385 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:44:29,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:44:29,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:44:29,387 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:44:29,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:44:29,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:44:29,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:44:29,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:44:29,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:44:29,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:44:29,390 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:44:29,391 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:44:29,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:44:29,393 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:44:29,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:44:29,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:44:29,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:44:29,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:44:29,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:44:29,395 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:44:29,395 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_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45fd403bdea0e38df4202df32820dd99db87a388b8be6e5049c26042da28d7d [2023-11-26 11:44:29,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:44:29,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:44:29,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:44:29,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:44:29,712 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:44:29,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/floats-cdfpl/newton_1_2.i [2023-11-26 11:44:32,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:44:33,160 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:44:33,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/sv-benchmarks/c/floats-cdfpl/newton_1_2.i [2023-11-26 11:44:33,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/data/df28aed70/3c0e14f075cd4d5a8fe48298f7957b29/FLAG2558d5cc7 [2023-11-26 11:44:33,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/data/df28aed70/3c0e14f075cd4d5a8fe48298f7957b29 [2023-11-26 11:44:33,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:44:33,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:44:33,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:44:33,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:44:33,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:44:33,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9b258a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33, skipping insertion in model container [2023-11-26 11:44:33,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:44:33,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:44:33,409 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:44:33,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:44:33,444 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:44:33,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33 WrapperNode [2023-11-26 11:44:33,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:44:33,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:44:33,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:44:33,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:44:33,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,485 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 33 [2023-11-26 11:44:33,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:44:33,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:44:33,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:44:33,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:44:33,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,499 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,511 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]. [2023-11-26 11:44:33,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:44:33,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:44:33,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:44:33,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:44:33,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (1/1) ... [2023-11-26 11:44:33,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:44:33,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:44:33,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:44:33,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:44:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:44:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:44:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:44:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:44:33,676 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:44:33,679 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:44:33,792 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:44:33,803 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:44:33,803 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:44:33,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:44:33 BoogieIcfgContainer [2023-11-26 11:44:33,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:44:33,807 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:44:33,807 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:44:33,812 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:44:33,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:44:33,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:44:33" (1/3) ... [2023-11-26 11:44:33,814 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1165b64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:44:33, skipping insertion in model container [2023-11-26 11:44:33,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:44:33,815 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:33" (2/3) ... [2023-11-26 11:44:33,815 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1165b64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:44:33, skipping insertion in model container [2023-11-26 11:44:33,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:44:33,816 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:44:33" (3/3) ... [2023-11-26 11:44:33,817 INFO L332 chiAutomizerObserver]: Analyzing ICFG newton_1_2.i [2023-11-26 11:44:33,874 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:44:33,874 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:44:33,874 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:44:33,875 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:44:33,875 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:44:33,875 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:44:33,875 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:44:33,875 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:44:33,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2023-11-26 11:44:33,896 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:44:33,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:44:33,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:44:33 BoogieIcfgContainer [2023-11-26 11:44:33,901 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:44:33,902 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:44:33,902 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:44:33,903 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:44:33,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:44:33" (3/4) ... [2023-11-26 11:44:33,906 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:44:33,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:44:33,909 INFO L158 Benchmark]: Toolchain (without parser) took 715.09ms. Allocated memory is still 146.8MB. Free memory was 114.9MB in the beginning and 86.2MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-26 11:44:33,910 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:44:33,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.59ms. Allocated memory is still 146.8MB. Free memory was 114.9MB in the beginning and 104.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:44:33,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.74ms. Allocated memory is still 146.8MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:44:33,914 INFO L158 Benchmark]: Boogie Preprocessor took 37.85ms. Allocated memory is still 146.8MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:44:33,915 INFO L158 Benchmark]: RCFGBuilder took 280.93ms. Allocated memory is still 146.8MB. Free memory was 100.9MB in the beginning and 92.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:44:33,916 INFO L158 Benchmark]: BuchiAutomizer took 94.28ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 86.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:44:33,917 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 146.8MB. Free memory was 86.6MB in the beginning and 86.2MB in the end (delta: 458.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:44:33,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.59ms. Allocated memory is still 146.8MB. Free memory was 114.9MB in the beginning and 104.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.74ms. Allocated memory is still 146.8MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.85ms. Allocated memory is still 146.8MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.93ms. Allocated memory is still 146.8MB. Free memory was 100.9MB in the beginning and 92.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 94.28ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 86.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 146.8MB. Free memory was 86.6MB in the beginning and 86.2MB in the end (delta: 458.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 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! [2023-11-26 11:44:33,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57de0535-669d-4ae8-9847-b5a46eac6ef4/bin/uautomizer-verify-VRDe98Ueme/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