./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx --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 d395d439ec4556dc83dba3523bab6fe5cf68ec358a108cd3824067669c5e9bc5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:57:43,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:57:43,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 20:57:43,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:57:43,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:57:43,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:57:43,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:57:43,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:57:43,295 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:57:43,295 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:57:43,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:57:43,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:57:43,298 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:57:43,300 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 20:57:43,301 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 20:57:43,301 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 20:57:43,304 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 20:57:43,305 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 20:57:43,306 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 20:57:43,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:57:43,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 20:57:43,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:57:43,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:57:43,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:57:43,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:57:43,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 20:57:43,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 20:57:43,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 20:57:43,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 20:57:43,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:57:43,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:57:43,316 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 20:57:43,317 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:57:43,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:57:43,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:57:43,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:57:43,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:57:43,319 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 20:57:43,319 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_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d395d439ec4556dc83dba3523bab6fe5cf68ec358a108cd3824067669c5e9bc5 [2023-11-21 20:57:43,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:57:43,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:57:43,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:57:43,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:57:43,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:57:43,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-benchs/rlim_invariant.c [2023-11-21 20:57:46,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:57:47,063 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:57:47,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/sv-benchmarks/c/float-benchs/rlim_invariant.c [2023-11-21 20:57:47,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/data/3060854b9/b18cf0b70f1d4d1cbaca32cd1146d1a3/FLAG7373864be [2023-11-21 20:57:47,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/data/3060854b9/b18cf0b70f1d4d1cbaca32cd1146d1a3 [2023-11-21 20:57:47,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:57:47,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:57:47,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:47,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:57:47,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:57:47,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ba9543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47, skipping insertion in model container [2023-11-21 20:57:47,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:57:47,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:47,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:57:47,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:47,322 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:57:47,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47 WrapperNode [2023-11-21 20:57:47,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:47,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:47,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:57:47,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:57:47,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,360 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 55 [2023-11-21 20:57:47,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:47,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:57:47,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:57:47,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:57:47,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,388 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,395 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 20:57:47,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:57:47,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:57:47,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:57:47,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:57:47,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (1/1) ... [2023-11-21 20:57:47,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:47,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:47,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:47,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 20:57:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:57:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 20:57:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:57:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:57:47,574 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:57:47,576 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:57:47,701 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:57:47,710 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:57:47,711 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 20:57:47,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:47 BoogieIcfgContainer [2023-11-21 20:57:47,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:57:47,713 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 20:57:47,713 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 20:57:47,717 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 20:57:47,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:57:47,718 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 08:57:47" (1/3) ... [2023-11-21 20:57:47,719 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@420e3880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:57:47, skipping insertion in model container [2023-11-21 20:57:47,719 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:57:47,719 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:47" (2/3) ... [2023-11-21 20:57:47,720 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@420e3880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:57:47, skipping insertion in model container [2023-11-21 20:57:47,720 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:57:47,720 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:47" (3/3) ... [2023-11-21 20:57:47,721 INFO L332 chiAutomizerObserver]: Analyzing ICFG rlim_invariant.c [2023-11-21 20:57:47,794 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 20:57:47,795 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 20:57:47,795 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 20:57:47,796 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 20:57:47,796 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 20:57:47,796 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 20:57:47,796 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 20:57:47,797 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 20:57:47,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 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) [2023-11-21 20:57:47,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-21 20:57:47,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:57:47,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:57:47,832 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 20:57:47,832 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:47,832 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 20:57:47,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 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) [2023-11-21 20:57:47,834 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-21 20:57:47,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:57:47,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:57:47,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 20:57:47,835 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:47,842 INFO L748 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post4#1, main_~X~0#1, main_~Y~0#1, main_~S~0#1, main_~R~0#1, main_~D~0#1, main_~i~0#1;havoc main_~X~0#1;havoc main_~Y~0#1;havoc main_~S~0#1;havoc main_~R~0#1;havoc main_~D~0#1;havoc main_~i~0#1;main_~Y~0#1 := ~convertINTToFLOAT(0);main_~i~0#1 := 0; 19#L19-3true [2023-11-21 20:57:47,844 INFO L750 eck$LassoCheckResult]: Loop: 19#L19-3true assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet5#1;main_~X~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~D~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryFLOATComparisonOperation(main_~X~0#1, ~someUnaryFLOAToperation(128.0)) && ~someBinaryFLOATComparisonOperation(main_~X~0#1, 128.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 12#L8true assume 0 == assume_abort_if_not_~cond#1;assume false; 10#L7true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryFLOATComparisonOperation(main_~D~0#1, 0.0) && ~someBinaryFLOATComparisonOperation(main_~D~0#1, 16.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 6#L8-2true assume 0 == assume_abort_if_not_~cond#1;assume false; 9#L7-1true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~S~0#1 := main_~Y~0#1;main_~Y~0#1 := main_~X~0#1;main_~R~0#1 := ~someBinaryArithmeticFLOAToperation(main_~X~0#1, main_~S~0#1); 7#L29true assume ~someBinaryFLOATComparisonOperation(main_~R~0#1, ~someUnaryFLOAToperation(main_~D~0#1));main_~Y~0#1 := ~someBinaryArithmeticFLOAToperation(main_~S~0#1, main_~D~0#1); 4#L30-2true assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~someBinaryFLOATComparisonOperation(main_~Y~0#1, ~someUnaryFLOAToperation(129.0)) && ~someBinaryFLOATComparisonOperation(main_~Y~0#1, 129.0) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 15#L10true assume !(0 == __VERIFIER_assert_~cond#1); 17#L10-3true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 3#L19-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19#L19-3true [2023-11-21 20:57:47,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:47,850 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-21 20:57:47,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:47,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944910016] [2023-11-21 20:57:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:47,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:47,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:47,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:47,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:47,979 INFO L85 PathProgramCache]: Analyzing trace with hash -642829643, now seen corresponding path program 1 times [2023-11-21 20:57:47,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:47,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002388170] [2023-11-21 20:57:47,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:47,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:48,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:48,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002388170] [2023-11-21 20:57:48,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002388170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:48,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:48,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:57:48,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401934567] [2023-11-21 20:57:48,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:48,086 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 20:57:48,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:48,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 20:57:48,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 20:57:48,142 INFO L87 Difference]: Start difference. First operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 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 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-21 20:57:48,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:57:48,151 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2023-11-21 20:57:48,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2023-11-21 20:57:48,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-21 20:57:48,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 15 transitions. [2023-11-21 20:57:48,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-21 20:57:48,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-21 20:57:48,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2023-11-21 20:57:48,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:48,165 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-21 20:57:48,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2023-11-21 20:57:48,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-21 20:57:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) 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) [2023-11-21 20:57:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2023-11-21 20:57:48,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-21 20:57:48,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 20:57:48,207 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-21 20:57:48,207 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 20:57:48,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2023-11-21 20:57:48,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-21 20:57:48,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:57:48,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:57:48,210 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 20:57:48,211 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:48,211 INFO L748 eck$LassoCheckResult]: Stem: 57#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3); 53#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post4#1, main_~X~0#1, main_~Y~0#1, main_~S~0#1, main_~R~0#1, main_~D~0#1, main_~i~0#1;havoc main_~X~0#1;havoc main_~Y~0#1;havoc main_~S~0#1;havoc main_~R~0#1;havoc main_~D~0#1;havoc main_~i~0#1;main_~Y~0#1 := ~convertINTToFLOAT(0);main_~i~0#1 := 0; 46#L19-3 [2023-11-21 20:57:48,212 INFO L750 eck$LassoCheckResult]: Loop: 46#L19-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet5#1;main_~X~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~D~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryFLOATComparisonOperation(main_~X~0#1, ~someUnaryFLOAToperation(128.0)) && ~someBinaryFLOATComparisonOperation(main_~X~0#1, 128.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 55#L8 assume !(0 == assume_abort_if_not_~cond#1); 54#L7 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryFLOATComparisonOperation(main_~D~0#1, 0.0) && ~someBinaryFLOATComparisonOperation(main_~D~0#1, 16.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 50#L8-2 assume !(0 == assume_abort_if_not_~cond#1); 51#L7-1 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~S~0#1 := main_~Y~0#1;main_~Y~0#1 := main_~X~0#1;main_~R~0#1 := ~someBinaryArithmeticFLOAToperation(main_~X~0#1, main_~S~0#1); 52#L29 assume ~someBinaryFLOATComparisonOperation(main_~R~0#1, ~someUnaryFLOAToperation(main_~D~0#1));main_~Y~0#1 := ~someBinaryArithmeticFLOAToperation(main_~S~0#1, main_~D~0#1); 47#L30-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~someBinaryFLOATComparisonOperation(main_~Y~0#1, ~someUnaryFLOAToperation(129.0)) && ~someBinaryFLOATComparisonOperation(main_~Y~0#1, 129.0) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 48#L10 assume !(0 == __VERIFIER_assert_~cond#1); 56#L10-3 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 45#L19-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46#L19-3 [2023-11-21 20:57:48,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:48,215 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-21 20:57:48,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:48,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463671374] [2023-11-21 20:57:48,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:48,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:48,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:48,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:48,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:48,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1812236089, now seen corresponding path program 1 times [2023-11-21 20:57:48,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:48,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724098153] [2023-11-21 20:57:48,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:48,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:48,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:48,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:48,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:48,341 INFO L85 PathProgramCache]: Analyzing trace with hash -278118277, now seen corresponding path program 1 times [2023-11-21 20:57:48,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:48,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368491938] [2023-11-21 20:57:48,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:48,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:48,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:48,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:48,560 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:57:48,561 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:57:48,561 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:57:48,561 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:57:48,562 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 20:57:48,562 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:48,562 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:57:48,562 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:57:48,562 INFO L133 ssoRankerPreferences]: Filename of dumped script: rlim_invariant.c_Iteration2_Loop [2023-11-21 20:57:48,563 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:57:48,563 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:57:48,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,700 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:57:48,701 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 20:57:48,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:48,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:48,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:48,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 20:57:48,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:57:48,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:48,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-21 20:57:48,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:48,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:48,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:48,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:57:48,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:48,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 20:57:48,836 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 20:57:48,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:48,846 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:57:48,846 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:57:48,846 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:57:48,846 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:57:48,846 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:57:48,846 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:48,846 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:57:48,846 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:57:48,847 INFO L133 ssoRankerPreferences]: Filename of dumped script: rlim_invariant.c_Iteration2_Loop [2023-11-21 20:57:48,847 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:57:48,847 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:57:48,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:48,971 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:57:48,976 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:57:48,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:48,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:48,978 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:48,985 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 [2023-11-21 20:57:48,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:48,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:57:48,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:48,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:48,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:49,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:57:49,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:57:49,011 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:57:49,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 20:57:49,018 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 20:57:49,018 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-21 20:57:49,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:49,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:49,040 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:49,042 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:57:49,042 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 20:57:49,042 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:57:49,043 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199999 Supporting invariants [] [2023-11-21 20:57:49,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 20:57:49,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:49,066 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 20:57:49,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:49,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 20:57:49,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:49,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 20:57:49,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:49,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:49,257 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 [2023-11-21 20:57:49,259 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:49,311 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 4 states. [2023-11-21 20:57:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 20:57:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-11-21 20:57:49,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 2 letters. Loop has 10 letters. [2023-11-21 20:57:49,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:49,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 12 letters. Loop has 10 letters. [2023-11-21 20:57:49,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:49,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 2 letters. Loop has 20 letters. [2023-11-21 20:57:49,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:49,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2023-11-21 20:57:49,320 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 20:57:49,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2023-11-21 20:57:49,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 20:57:49,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 20:57:49,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 20:57:49,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:49,321 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:49,321 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:49,321 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:49,321 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 20:57:49,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 20:57:49,322 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 20:57:49,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 20:57:49,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 08:57:49 BoogieIcfgContainer [2023-11-21 20:57:49,330 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 20:57:49,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 20:57:49,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 20:57:49,331 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 20:57:49,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:47" (3/4) ... [2023-11-21 20:57:49,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 20:57:49,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 20:57:49,335 INFO L158 Benchmark]: Toolchain (without parser) took 2244.59ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 131.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:49,335 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:49,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.18ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 124.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 20:57:49,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.92ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 122.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:49,337 INFO L158 Benchmark]: Boogie Preprocessor took 49.67ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 120.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:49,338 INFO L158 Benchmark]: RCFGBuilder took 300.85ms. Allocated memory is still 165.7MB. Free memory was 120.7MB in the beginning and 128.9MB in the end (delta: -8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 20:57:49,339 INFO L158 Benchmark]: BuchiAutomizer took 1616.54ms. Allocated memory is still 165.7MB. Free memory was 128.9MB in the beginning and 132.2MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:49,339 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 131.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:49,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.18ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 124.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.92ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 122.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.67ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 120.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.85ms. Allocated memory is still 165.7MB. Free memory was 120.7MB in the beginning and 128.9MB in the end (delta: -8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1616.54ms. Allocated memory is still 165.7MB. Free memory was 128.9MB in the beginning and 132.2MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 131.1MB 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2 * i) + 199999) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. 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, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 33 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 66ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 20:57:49,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39ebdc6-dece-43b5-b3d2-cc384fdab5fe/bin/uautomizer-verify-bycVGegfSx/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