./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/counting-bits-set.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-set.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:11:17,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:11:17,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:11:17,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:11:17,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:11:17,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:11:17,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:11:17,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:11:17,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:11:17,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:11:17,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:11:17,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:11:17,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:11:17,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:11:17,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:11:17,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:11:17,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:11:17,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:11:17,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:11:17,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:11:17,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:11:17,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:11:17,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:11:17,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:11:17,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:11:17,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:11:17,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:11:17,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:11:17,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:11:17,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:11:17,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:11:17,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:11:17,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:11:17,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:11:17,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:11:17,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:11:17,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:11:17,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:11:17,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:11:17,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:11:17,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:11:17,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 21:11:17,574 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:11:17,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:11:17,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:11:17,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:11:17,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:11:17,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:11:17,597 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:11:17,598 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 21:11:17,598 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 21:11:17,598 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 21:11:17,598 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 21:11:17,598 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 21:11:17,598 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 21:11:17,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:11:17,598 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:11:17,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:11:17,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:11:17,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 21:11:17,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 21:11:17,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 21:11:17,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:11:17,599 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 21:11:17,599 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:11:17,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 21:11:17,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:11:17,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:11:17,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:11:17,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:11:17,600 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 21:11:17,600 INFO L138 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_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 [2022-12-13 21:11:17,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:11:17,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:11:17,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:11:17,803 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:11:17,804 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:11:17,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-bwb/counting-bits-set.i [2022-12-13 21:11:20,336 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:11:20,473 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:11:20,473 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/sv-benchmarks/c/termination-bwb/counting-bits-set.i [2022-12-13 21:11:20,477 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/data/f36bc1dea/cf85bea628db4489932fc1002396a14c/FLAG6a9105d42 [2022-12-13 21:11:20,909 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/data/f36bc1dea/cf85bea628db4489932fc1002396a14c [2022-12-13 21:11:20,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:11:20,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:11:20,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:11:20,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:11:20,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:11:20,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:11:20" (1/1) ... [2022-12-13 21:11:20,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20de0ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:20, skipping insertion in model container [2022-12-13 21:11:20,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:11:20" (1/1) ... [2022-12-13 21:11:20,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:11:20,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:11:21,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:11:21,036 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:11:21,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:11:21,054 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:11:21,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21 WrapperNode [2022-12-13 21:11:21,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:11:21,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:11:21,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:11:21,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:11:21,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,076 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2022-12-13 21:11:21,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:11:21,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:11:21,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:11:21,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:11:21,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,089 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:11:21,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:11:21,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:11:21,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:11:21,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (1/1) ... [2022-12-13 21:11:21,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:21,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:21,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:21,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 21:11:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:11:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:11:21,184 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:11:21,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:11:21,250 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:11:21,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:11:21,256 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 21:11:21,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:11:21 BoogieIcfgContainer [2022-12-13 21:11:21,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:11:21,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 21:11:21,258 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 21:11:21,261 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 21:11:21,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:11:21,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 09:11:20" (1/3) ... [2022-12-13 21:11:21,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781377ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:11:21, skipping insertion in model container [2022-12-13 21:11:21,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:11:21,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:21" (2/3) ... [2022-12-13 21:11:21,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781377ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:11:21, skipping insertion in model container [2022-12-13 21:11:21,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:11:21,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:11:21" (3/3) ... [2022-12-13 21:11:21,265 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-set.i [2022-12-13 21:11:21,306 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 21:11:21,306 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 21:11:21,306 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 21:11:21,306 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 21:11:21,306 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 21:11:21,306 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 21:11:21,307 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 21:11:21,307 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 21:11:21,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-12-13 21:11:21,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 21:11:21,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:11:21,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:11:21,327 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 21:11:21,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 21:11:21,328 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 21:11:21,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-12-13 21:11:21,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 21:11:21,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:11:21,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:11:21,329 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 21:11:21,329 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 21:11:21,335 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 13#L12true assume ~v~0 >= 0;~c~0 := 0; 4#L13-3true [2022-12-13 21:11:21,336 INFO L750 eck$LassoCheckResult]: Loop: 4#L13-3true assume !!(0 != ~v~0); 5#L15true assume 0 == ~v~0;main_#t~nondet2#1 := 0; 8#L15-4true ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 10#L13-2true ~v~0 := ~v~0 / 2; 4#L13-3true [2022-12-13 21:11:21,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:21,340 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-12-13 21:11:21,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:21,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965735176] [2022-12-13 21:11:21,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:21,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:21,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:21,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:21,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:21,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1326982, now seen corresponding path program 1 times [2022-12-13 21:11:21,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:21,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938651749] [2022-12-13 21:11:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:21,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:21,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:11:21,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:11:21,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938651749] [2022-12-13 21:11:21,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938651749] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:11:21,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:11:21,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:11:21,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180772874] [2022-12-13 21:11:21,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:11:21,484 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 21:11:21,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:11:21,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:11:21,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:11:21,511 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:11:21,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:11:21,534 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-12-13 21:11:21,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 18 transitions. [2022-12-13 21:11:21,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 21:11:21,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 8 states and 9 transitions. [2022-12-13 21:11:21,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 21:11:21,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 21:11:21,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2022-12-13 21:11:21,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:11:21,540 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-12-13 21:11:21,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2022-12-13 21:11:21,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-13 21:11:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 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) [2022-12-13 21:11:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-12-13 21:11:21,561 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-12-13 21:11:21,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:11:21,565 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-12-13 21:11:21,566 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 21:11:21,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-12-13 21:11:21,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 21:11:21,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:11:21,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:11:21,567 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 21:11:21,567 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 21:11:21,567 INFO L748 eck$LassoCheckResult]: Stem: 42#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 43#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 46#L12 assume ~v~0 >= 0;~c~0 := 0; 41#L13-3 [2022-12-13 21:11:21,567 INFO L750 eck$LassoCheckResult]: Loop: 41#L13-3 assume !!(0 != ~v~0); 44#L15 assume !(0 == ~v~0); 45#L15-2 assume 1 == ~v~0;main_#t~nondet2#1 := ~v~0; 39#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 40#L13-2 ~v~0 := ~v~0 / 2; 41#L13-3 [2022-12-13 21:11:21,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:21,568 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 2 times [2022-12-13 21:11:21,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:21,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683626220] [2022-12-13 21:11:21,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:21,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:21,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:21,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:21,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:21,590 INFO L85 PathProgramCache]: Analyzing trace with hash 41192145, now seen corresponding path program 1 times [2022-12-13 21:11:21,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:21,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868732344] [2022-12-13 21:11:21,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:21,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:21,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:21,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:21,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:21,608 INFO L85 PathProgramCache]: Analyzing trace with hash 123261648, now seen corresponding path program 1 times [2022-12-13 21:11:21,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:21,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868530642] [2022-12-13 21:11:21,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:21,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:21,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:21,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:21,707 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:11:21,708 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:11:21,708 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:11:21,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:11:21,708 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:11:21,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:21,708 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:11:21,708 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:11:21,708 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration2_Loop [2022-12-13 21:11:21,709 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:11:21,709 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:11:21,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:21,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:21,819 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:11:21,819 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:11:21,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:21,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:21,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:21,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 21:11:21,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:11:21,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:21,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:11:21,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:21,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:21,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:21,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 21:11:21,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:11:21,847 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:21,875 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 21:11:21,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 21:11:21,878 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:11:21,879 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:11:21,879 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:11:21,879 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:11:21,879 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 21:11:21,879 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:21,879 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:11:21,879 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:11:21,879 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration2_Loop [2022-12-13 21:11:21,879 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:11:21,879 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:11:21,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:21,889 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:21,951 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:11:21,955 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 21:11:21,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:21,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:21,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:21,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 21:11:21,960 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 [2022-12-13 21:11:21,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:11:21,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:11:21,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:11:21,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:11:21,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:11:21,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:11:21,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:11:21,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 21:11:21,987 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 21:11:21,987 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 21:11:21,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:21,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:22,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:22,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 21:11:22,019 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 21:11:22,019 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 21:11:22,019 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 21:11:22,020 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2022-12-13 21:11:22,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 21:11:22,025 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 21:11:22,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:22,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:11:22,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:22,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:11:22,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:11:22,090 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 [2022-12-13 21:11:22,092 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-13 21:11:22,122 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 25 transitions. Complement of second has 7 states. [2022-12-13 21:11:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 21:11:22,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-13 21:11:22,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-12-13 21:11:22,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 5 letters. [2022-12-13 21:11:22,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:22,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 5 letters. [2022-12-13 21:11:22,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:22,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 10 letters. [2022-12-13 21:11:22,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:22,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2022-12-13 21:11:22,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 21:11:22,127 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 18 states and 21 transitions. [2022-12-13 21:11:22,127 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-12-13 21:11:22,128 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-12-13 21:11:22,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2022-12-13 21:11:22,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 21:11:22,128 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-12-13 21:11:22,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2022-12-13 21:11:22,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-12-13 21:11:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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) [2022-12-13 21:11:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-12-13 21:11:22,129 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-13 21:11:22,129 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-13 21:11:22,130 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 21:11:22,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-12-13 21:11:22,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 21:11:22,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:11:22,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:11:22,130 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 21:11:22,131 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 21:11:22,131 INFO L748 eck$LassoCheckResult]: Stem: 127#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 128#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 129#L12 assume ~v~0 >= 0;~c~0 := 0; 131#L13-3 assume !!(0 != ~v~0); 124#L15 assume !(0 == ~v~0); 130#L15-2 assume !(1 == ~v~0);main_#t~nondet2#1 := ~bitwiseAnd(~v~0, 1);assume ~v~0 < 0 || (main_#t~nondet2#1 <= ~v~0 && main_#t~nondet2#1 <= 1);assume main_#t~nondet2#1 >= 0;assume ~v~0 >= 0 || main_#t~nondet2#1 > 1 + ~v~0; 116#L15-4 [2022-12-13 21:11:22,131 INFO L750 eck$LassoCheckResult]: Loop: 116#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 117#L13-2 ~v~0 := ~v~0 / 2; 120#L13-3 assume !!(0 != ~v~0); 122#L15 assume !(0 == ~v~0); 125#L15-2 assume 1 == ~v~0;main_#t~nondet2#1 := ~v~0; 116#L15-4 [2022-12-13 21:11:22,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:22,131 INFO L85 PathProgramCache]: Analyzing trace with hash 889512752, now seen corresponding path program 1 times [2022-12-13 21:11:22,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:22,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805876523] [2022-12-13 21:11:22,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:22,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:22,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:22,143 INFO L85 PathProgramCache]: Analyzing trace with hash 52534605, now seen corresponding path program 2 times [2022-12-13 21:11:22,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:22,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723805893] [2022-12-13 21:11:22,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:22,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:22,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:22,155 INFO L85 PathProgramCache]: Analyzing trace with hash -52011138, now seen corresponding path program 1 times [2022-12-13 21:11:22,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:22,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652290576] [2022-12-13 21:11:22,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:22,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:22,202 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:11:22,203 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:11:22,203 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:11:22,203 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:11:22,203 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:11:22,203 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:22,203 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:11:22,203 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:11:22,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration3_Loop [2022-12-13 21:11:22,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:11:22,203 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:11:22,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:22,283 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:11:22,283 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:11:22,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:22,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:22,284 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:22,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 21:11:22,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:11:22,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:22,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 21:11:22,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:22,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:22,304 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:22,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 21:11:22,306 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:11:22,307 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:22,508 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 21:11:22,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 21:11:22,512 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:11:22,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:11:22,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:11:22,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:11:22,512 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 21:11:22,512 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:22,512 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:11:22,513 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:11:22,513 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration3_Loop [2022-12-13 21:11:22,513 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:11:22,513 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:11:22,514 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:22,587 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:11:22,587 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 21:11:22,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:22,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:22,588 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:22,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 21:11:22,590 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 [2022-12-13 21:11:22,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:11:22,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:11:22,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:11:22,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:11:22,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:11:22,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:11:22,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:11:22,609 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 21:11:22,613 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 21:11:22,613 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 21:11:22,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:22,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:22,615 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:22,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 21:11:22,616 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 21:11:22,616 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 21:11:22,617 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 21:11:22,617 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2022-12-13 21:11:22,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 21:11:22,620 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 21:11:22,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:22,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:11:22,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:22,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:11:22,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:11:22,678 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 [2022-12-13 21:11:22,678 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-13 21:11:22,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 30 states and 35 transitions. Complement of second has 7 states. [2022-12-13 21:11:22,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 21:11:22,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-13 21:11:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-12-13 21:11:22,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 5 letters. [2022-12-13 21:11:22,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:22,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 5 letters. [2022-12-13 21:11:22,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:22,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 10 letters. [2022-12-13 21:11:22,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:22,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-12-13 21:11:22,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 21:11:22,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 28 states and 33 transitions. [2022-12-13 21:11:22,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-12-13 21:11:22,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-12-13 21:11:22,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2022-12-13 21:11:22,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 21:11:22,701 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-12-13 21:11:22,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2022-12-13 21:11:22,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2022-12-13 21:11:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 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) [2022-12-13 21:11:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-12-13 21:11:22,703 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-12-13 21:11:22,703 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-12-13 21:11:22,703 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 21:11:22,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2022-12-13 21:11:22,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 21:11:22,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:11:22,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:11:22,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 21:11:22,704 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 21:11:22,704 INFO L748 eck$LassoCheckResult]: Stem: 229#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 230#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 231#L12 assume ~v~0 >= 0;~c~0 := 0; 234#L13-3 assume !!(0 != ~v~0); 238#L15 assume !(0 == ~v~0); 237#L15-2 assume !(1 == ~v~0);main_#t~nondet2#1 := ~bitwiseAnd(~v~0, 1);assume ~v~0 < 0 || (main_#t~nondet2#1 <= ~v~0 && main_#t~nondet2#1 <= 1);assume main_#t~nondet2#1 >= 0;assume ~v~0 >= 0 || main_#t~nondet2#1 > 1 + ~v~0; 235#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 236#L13-2 ~v~0 := ~v~0 / 2; 243#L13-3 assume !!(0 != ~v~0); 242#L15 assume !(0 == ~v~0); 232#L15-2 assume !(1 == ~v~0);main_#t~nondet2#1 := ~bitwiseAnd(~v~0, 1);assume ~v~0 < 0 || (main_#t~nondet2#1 <= ~v~0 && main_#t~nondet2#1 <= 1);assume main_#t~nondet2#1 >= 0;assume ~v~0 >= 0 || main_#t~nondet2#1 > 1 + ~v~0; 218#L15-4 [2022-12-13 21:11:22,704 INFO L750 eck$LassoCheckResult]: Loop: 218#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 219#L13-2 ~v~0 := ~v~0 / 2; 222#L13-3 assume !!(0 != ~v~0); 225#L15 assume !(0 == ~v~0); 227#L15-2 assume 1 == ~v~0;main_#t~nondet2#1 := ~v~0; 218#L15-4 [2022-12-13 21:11:22,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:22,705 INFO L85 PathProgramCache]: Analyzing trace with hash -52011136, now seen corresponding path program 1 times [2022-12-13 21:11:22,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:22,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301602514] [2022-12-13 21:11:22,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:22,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:22,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:22,720 INFO L85 PathProgramCache]: Analyzing trace with hash 52534605, now seen corresponding path program 3 times [2022-12-13 21:11:22,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:22,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99366803] [2022-12-13 21:11:22,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:22,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:22,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:22,728 INFO L85 PathProgramCache]: Analyzing trace with hash 454432046, now seen corresponding path program 2 times [2022-12-13 21:11:22,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:22,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326475997] [2022-12-13 21:11:22,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:22,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:22,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:22,773 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:11:22,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:11:22,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:11:22,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:11:22,773 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:11:22,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:22,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:11:22,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:11:22,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration4_Loop [2022-12-13 21:11:22,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:11:22,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:11:22,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:22,839 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:11:22,839 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:11:22,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:22,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:22,841 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:22,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 21:11:22,843 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:11:22,843 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:22,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 21:11:22,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:22,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:22,860 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:22,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 21:11:22,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 21:11:22,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:11:22,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:22,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 21:11:23,083 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 21:11:23,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 21:11:23,087 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:11:23,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:11:23,088 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:11:23,088 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:11:23,088 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 21:11:23,088 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,088 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:11:23,088 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:11:23,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration4_Loop [2022-12-13 21:11:23,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:11:23,088 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:11:23,089 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:23,152 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:11:23,152 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 21:11:23,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:23,153 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:23,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 21:11:23,155 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 [2022-12-13 21:11:23,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:11:23,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:11:23,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:11:23,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:11:23,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:11:23,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:11:23,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:11:23,172 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 21:11:23,175 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 21:11:23,175 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 21:11:23,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:23,176 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:23,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 21:11:23,178 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 21:11:23,178 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 21:11:23,178 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 21:11:23,178 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2022-12-13 21:11:23,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 21:11:23,181 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 21:11:23,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:23,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:11:23,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:23,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:11:23,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:11:23,225 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 [2022-12-13 21:11:23,225 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:11:23,240 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 45 transitions. Complement of second has 7 states. [2022-12-13 21:11:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 21:11:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:11:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-12-13 21:11:23,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 5 letters. [2022-12-13 21:11:23,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:23,241 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 21:11:23,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:23,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:11:23,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:23,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:11:23,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:11:23,284 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 21:11:23,284 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:11:23,298 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 45 transitions. Complement of second has 7 states. [2022-12-13 21:11:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 21:11:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:11:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-12-13 21:11:23,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 5 letters. [2022-12-13 21:11:23,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:23,300 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 21:11:23,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:23,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:11:23,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:23,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:11:23,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:11:23,341 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 21:11:23,341 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:11:23,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 52 transitions. Complement of second has 11 states. [2022-12-13 21:11:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 21:11:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:11:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-12-13 21:11:23,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 5 letters. [2022-12-13 21:11:23,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:23,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 5 letters. [2022-12-13 21:11:23,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:23,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 10 letters. [2022-12-13 21:11:23,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:23,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 52 transitions. [2022-12-13 21:11:23,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2022-12-13 21:11:23,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 33 states and 39 transitions. [2022-12-13 21:11:23,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-12-13 21:11:23,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-12-13 21:11:23,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 39 transitions. [2022-12-13 21:11:23,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 21:11:23,360 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-12-13 21:11:23,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 39 transitions. [2022-12-13 21:11:23,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 19. [2022-12-13 21:11:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 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) [2022-12-13 21:11:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-12-13 21:11:23,361 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-12-13 21:11:23,361 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-12-13 21:11:23,361 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 21:11:23,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-12-13 21:11:23,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-12-13 21:11:23,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:11:23,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:11:23,361 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 21:11:23,362 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 21:11:23,362 INFO L748 eck$LassoCheckResult]: Stem: 560#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 561#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 562#L12 assume ~v~0 >= 0;~c~0 := 0; 563#L13-3 assume !!(0 != ~v~0); 556#L15 [2022-12-13 21:11:23,362 INFO L750 eck$LassoCheckResult]: Loop: 556#L15 assume !(0 == ~v~0); 558#L15-2 assume !(1 == ~v~0);main_#t~nondet2#1 := ~bitwiseAnd(~v~0, 1);assume ~v~0 < 0 || (main_#t~nondet2#1 <= ~v~0 && main_#t~nondet2#1 <= 1);assume main_#t~nondet2#1 >= 0;assume ~v~0 >= 0 || main_#t~nondet2#1 > 1 + ~v~0; 550#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 552#L13-2 ~v~0 := ~v~0 / 2; 554#L13-3 assume !!(0 != ~v~0); 556#L15 [2022-12-13 21:11:23,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:23,362 INFO L85 PathProgramCache]: Analyzing trace with hash 925611, now seen corresponding path program 1 times [2022-12-13 21:11:23,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:23,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103913146] [2022-12-13 21:11:23,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:23,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:23,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:23,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:23,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:23,367 INFO L85 PathProgramCache]: Analyzing trace with hash 45962597, now seen corresponding path program 1 times [2022-12-13 21:11:23,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:23,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942616868] [2022-12-13 21:11:23,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:23,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:23,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:23,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:23,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:23,376 INFO L85 PathProgramCache]: Analyzing trace with hash -473796613, now seen corresponding path program 2 times [2022-12-13 21:11:23,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:11:23,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808753496] [2022-12-13 21:11:23,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:11:23,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:11:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:23,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:11:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:11:23,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:11:23,446 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:11:23,446 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:11:23,446 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:11:23,446 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:11:23,446 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:11:23,446 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,446 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:11:23,447 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:11:23,447 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration5_Loop [2022-12-13 21:11:23,447 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:11:23,447 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:11:23,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:23,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:23,562 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:11:23,563 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:11:23,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:23,563 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:23,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 21:11:23,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:11:23,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:23,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-12-13 21:11:23,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:23,591 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:23,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 21:11:23,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:11:23,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:23,739 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 21:11:23,739 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=-1, ~z~0=0, ~c~0=0} Honda state: {~v~0=-1, ~z~0=0, ~c~0=0} Generalized eigenvectors: [{~v~0=0, ~z~0=2, ~c~0=1}, {~v~0=0, ~z~0=1, ~c~0=2}, {~v~0=0, ~z~0=0, ~c~0=0}] Lambdas: [0, 2, 14] Nus: [1, 1] [2022-12-13 21:11:23,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 21:11:23,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:23,744 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:23,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 21:11:23,746 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:11:23,746 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:23,757 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 21:11:23,757 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 21:11:23,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-12-13 21:11:23,772 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:11:23,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:11:23,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:11:23,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:11:23,773 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:11:23,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:11:23,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:11:23,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration5_Lasso [2022-12-13 21:11:23,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:11:23,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:11:23,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:23,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:23,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:23,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:23,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:23,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:23,897 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:11:23,897 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:11:23,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:23,898 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:23,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 21:11:23,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:11:23,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:23,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 21:11:23,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:23,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:23,924 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:23,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 21:11:23,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:11:23,926 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:11:24,151 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 21:11:24,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 21:11:24,154 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:11:24,154 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:11:24,154 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:11:24,155 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:11:24,155 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 21:11:24,155 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:24,155 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:11:24,155 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:11:24,155 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration5_Lasso [2022-12-13 21:11:24,155 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:11:24,155 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:11:24,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:24,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:24,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:24,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:24,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:24,181 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 21:11:24,303 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:11:24,304 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 21:11:24,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:24,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:24,305 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:24,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 21:11:24,307 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 [2022-12-13 21:11:24,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:11:24,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:11:24,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:11:24,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:11:24,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:11:24,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:11:24,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:11:24,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 21:11:24,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 21:11:24,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:24,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:24,323 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:24,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 21:11:24,325 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 [2022-12-13 21:11:24,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:11:24,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:11:24,335 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 21:11:24,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:11:24,346 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 21:11:24,346 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 21:11:24,368 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 21:11:24,390 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-12-13 21:11:24,390 INFO L444 ModelExtractionUtils]: 11 out of 21 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-12-13 21:11:24,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:11:24,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:11:24,391 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:11:24,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 21:11:24,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 21:11:24,405 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-12-13 21:11:24,405 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 21:11:24,405 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [1*~v~0 >= 0] [2022-12-13 21:11:24,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 21:11:24,411 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-12-13 21:11:24,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:11:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:24,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:11:24,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:11:24,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 21:11:24,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:11:24,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 21:11:24,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 21:11:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:11:24,510 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2022-12-13 21:11:24,510 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-12-13 21:11:24,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 6. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 40 states and 47 transitions. Complement of second has 7 states. [2022-12-13 21:11:24,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 21:11:24,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-12-13 21:11:24,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-12-13 21:11:24,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 5 letters. [2022-12-13 21:11:24,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:24,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 5 letters. [2022-12-13 21:11:24,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:24,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 10 letters. [2022-12-13 21:11:24,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:11:24,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 47 transitions. [2022-12-13 21:11:24,542 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 21:11:24,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2022-12-13 21:11:24,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 21:11:24,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 21:11:24,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 21:11:24,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:11:24,542 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:11:24,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:11:24,542 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:11:24,542 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 21:11:24,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 21:11:24,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 21:11:24,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 21:11:24,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 09:11:24 BoogieIcfgContainer [2022-12-13 21:11:24,548 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 21:11:24,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:11:24,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:11:24,548 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:11:24,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:11:21" (3/4) ... [2022-12-13 21:11:24,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:11:24,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:11:24,551 INFO L158 Benchmark]: Toolchain (without parser) took 3638.59ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 99.9MB in the beginning and 178.9MB in the end (delta: -79.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 21:11:24,551 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:11:24,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 141.68ms. Allocated memory is still 134.2MB. Free memory was 99.9MB in the beginning and 90.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 21:11:24,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.95ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 89.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:11:24,552 INFO L158 Benchmark]: Boogie Preprocessor took 13.82ms. Allocated memory is still 134.2MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:11:24,552 INFO L158 Benchmark]: RCFGBuilder took 166.77ms. Allocated memory is still 134.2MB. Free memory was 88.3MB in the beginning and 79.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 21:11:24,552 INFO L158 Benchmark]: BuchiAutomizer took 3289.38ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 79.0MB in the beginning and 178.9MB in the end (delta: -99.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:11:24,553 INFO L158 Benchmark]: Witness Printer took 2.35ms. Allocated memory is still 220.2MB. Free memory is still 178.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:11:24,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 141.68ms. Allocated memory is still 134.2MB. Free memory was 99.9MB in the beginning and 90.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.95ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 89.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.82ms. Allocated memory is still 134.2MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 166.77ms. Allocated memory is still 134.2MB. Free memory was 88.3MB in the beginning and 79.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3289.38ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 79.0MB in the beginning and 178.9MB in the end (delta: -99.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.35ms. Allocated memory is still 220.2MB. Free memory is still 178.9MB. 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 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function v and consists of 4 locations. One deterministic module has affine ranking function v and consists of 4 locations. One deterministic module has affine ranking function v and consists of 5 locations. One nondeterministic module has affine ranking function v and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 64 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div244 bol100 ite100 ukn100 eq134 hnf94 smp66 dnf244 smp75 tf103 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 83ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 21:11:24,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50820f02-0c6c-4515-9887-772045f65df7/bin/uautomizer-uyxdKDjOR8/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