./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8 --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 70faeb8da388def92e8d8f27f56338b509eab5fac6bc00546c486b6bd63f5971 --- 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-e04fb08 [2022-11-16 11:51:46,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:51:46,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:51:46,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:51:46,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:51:46,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:51:46,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:51:46,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:51:46,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:51:46,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:51:46,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:51:46,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:51:46,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:51:46,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:51:46,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:51:46,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:51:46,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:51:46,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:51:46,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:51:46,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:51:46,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:51:46,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:51:46,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:51:46,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:51:46,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:51:46,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:51:46,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:51:46,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:51:46,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:51:46,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:51:46,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:51:46,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:51:46,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:51:46,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:51:46,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:51:46,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:51:46,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:51:46,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:51:46,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:51:46,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:51:46,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:51:46,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:51:46,435 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:51:46,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:51:46,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:51:46,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:51:46,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:51:46,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:51:46,453 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:51:46,453 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:51:46,453 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:51:46,454 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:51:46,455 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:51:46,456 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:51:46,456 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:51:46,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:51:46,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:51:46,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:51:46,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:51:46,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:51:46,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:51:46,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:51:46,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:51:46,458 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:51:46,459 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:51:46,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:51:46,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:51:46,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:51:46,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:51:46,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:51:46,464 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:51:46,464 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_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70faeb8da388def92e8d8f27f56338b509eab5fac6bc00546c486b6bd63f5971 [2022-11-16 11:51:46,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:51:46,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:51:46,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:51:46,876 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:51:46,877 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:51:46,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i [2022-11-16 11:51:46,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/data/99c92394d/8356d5d0c3f04240bdef7dfe5a4113bf/FLAG6e0217e0e [2022-11-16 11:51:47,580 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:51:47,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/sv-benchmarks/c/termination-bwb/counting-bits-BK1.i [2022-11-16 11:51:47,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/data/99c92394d/8356d5d0c3f04240bdef7dfe5a4113bf/FLAG6e0217e0e [2022-11-16 11:51:47,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/data/99c92394d/8356d5d0c3f04240bdef7dfe5a4113bf [2022-11-16 11:51:47,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:51:47,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:51:47,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:51:47,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:51:47,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:51:47,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:51:47" (1/1) ... [2022-11-16 11:51:47,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bc82c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:47, skipping insertion in model container [2022-11-16 11:51:47,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:51:47" (1/1) ... [2022-11-16 11:51:47,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:51:47,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:51:48,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:51:48,206 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:51:48,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:51:48,247 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:51:48,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48 WrapperNode [2022-11-16 11:51:48,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:51:48,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:51:48,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:51:48,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:51:48,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,290 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-11-16 11:51:48,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:51:48,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:51:48,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:51:48,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:51:48,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,319 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:51:48,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:51:48,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:51:48,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:51:48,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (1/1) ... [2022-11-16 11:51:48,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:48,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:48,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:48,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:51:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:51:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:51:48,491 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:51:48,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:51:48,602 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:51:48,611 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:51:48,611 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:51:48,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:48 BoogieIcfgContainer [2022-11-16 11:51:48,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:51:48,615 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:51:48,615 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:51:48,620 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:51:48,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:51:48,621 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:51:47" (1/3) ... [2022-11-16 11:51:48,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ba7a4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:51:48, skipping insertion in model container [2022-11-16 11:51:48,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:51:48,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:48" (2/3) ... [2022-11-16 11:51:48,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ba7a4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:51:48, skipping insertion in model container [2022-11-16 11:51:48,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:51:48,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:48" (3/3) ... [2022-11-16 11:51:48,625 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-BK1.i [2022-11-16 11:51:48,686 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:51:48,686 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:51:48,686 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:51:48,686 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:51:48,687 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:51:48,687 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:51:48,687 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:51:48,687 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:51:48,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-16 11:51:48,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:51:48,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:51:48,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:51:48,719 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:51:48,719 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:51:48,719 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:51:48,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-16 11:51:48,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:51:48,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:51:48,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:51:48,721 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:51:48,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:51:48,731 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~c~0 := 0;~v~0 := 0;~y~0 := 0;~z~0 := 0; 8#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~post2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;~c~0 := 0; 5#L13-2true [2022-11-16 11:51:48,731 INFO L750 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(~v~0 > 0); 7#L15true assume 0 == ~v~0 || 0 == ~v~0 - 1;~v~0 := 0; 3#L15-4true main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5#L13-2true [2022-11-16 11:51:48,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:48,738 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 11:51:48,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:48,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750009379] [2022-11-16 11:51:48,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:48,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:51:48,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:51:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:51:48,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:51:48,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:48,872 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2022-11-16 11:51:48,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:48,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265159834] [2022-11-16 11:51:48,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:48,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:51:48,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:51:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:51:48,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:51:48,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:48,897 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2022-11-16 11:51:48,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:48,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078936136] [2022-11-16 11:51:48,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:48,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:51:48,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:51:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:51:48,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:51:49,034 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:51:49,035 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:51:49,035 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:51:49,035 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:51:49,035 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:51:49,036 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,036 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:51:49,036 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:51:49,036 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration1_Loop [2022-11-16 11:51:49,037 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:51:49,037 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:51:49,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:51:49,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:51:49,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:51:49,162 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:51:49,163 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:51:49,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:49,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:49,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:51:49,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:51:49,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:51:49,212 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:51:49,213 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:51:49,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:51:49,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:49,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:49,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:51:49,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:51:49,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:51:49,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-16 11:51:49,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:49,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:49,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:51:49,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:51:49,275 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:51:49,366 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:51:49,366 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=-1}, {~c~0=4}, {~c~0=-2}] Lambdas: [5, 1, 1] Nus: [1, 0] [2022-11-16 11:51:49,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:51:49,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:49,377 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:49,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:51:49,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:51:49,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:51:49,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-16 11:51:49,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:49,429 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:49,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:51:49,446 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:51:49,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:51:49,473 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:51:49,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:51:49,478 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:51:49,478 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:51:49,479 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:51:49,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:51:49,479 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:51:49,479 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,479 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:51:49,479 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:51:49,479 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration1_Loop [2022-11-16 11:51:49,479 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:51:49,480 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:51:49,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:51:49,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:51:49,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:51:49,589 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:51:49,594 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:51:49,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:49,599 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:49,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:51:49,611 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 [2022-11-16 11:51:49,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:51:49,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:51:49,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:51:49,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:51:49,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:51:49,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:51:49,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:51:49,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:51:49,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:51:49,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:49,656 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:49,668 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 [2022-11-16 11:51:49,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:51:49,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:51:49,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:51:49,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:51:49,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:51:49,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:51:49,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:51:49,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:51:49,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:51:49,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:51:49,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:49,706 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:49,711 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 [2022-11-16 11:51:49,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:51:49,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:51:49,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:51:49,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:51:49,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:51:49,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:51:49,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:51:49,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:51:49,742 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:51:49,748 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-16 11:51:49,748 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 11:51:49,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:51:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:49,755 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:49,787 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:51:49,787 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 11:51:49,787 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:51:49,788 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2022-11-16 11:51:49,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:51:49,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-16 11:51:49,796 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 11:51:49,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:49,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:51:49,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:51:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:49,878 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:51:49,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:51:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:51:49,977 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-16 11:51:49,979 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-16 11:51:50,039 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 28 states and 38 transitions. Complement of second has 7 states. [2022-11-16 11:51:50,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:51:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-16 11:51:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2022-11-16 11:51:50,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-16 11:51:50,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:51:50,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-16 11:51:50,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:51:50,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-16 11:51:50,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:51:50,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 38 transitions. [2022-11-16 11:51:50,056 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:51:50,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2022-11-16 11:51:50,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:51:50,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:51:50,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:51:50,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:51:50,062 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:51:50,062 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:51:50,062 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:51:50,062 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:51:50,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:51:50,063 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:51:50,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:51:50,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:51:50 BoogieIcfgContainer [2022-11-16 11:51:50,071 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:51:50,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:51:50,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:51:50,072 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:51:50,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:48" (3/4) ... [2022-11-16 11:51:50,076 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:51:50,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:51:50,077 INFO L158 Benchmark]: Toolchain (without parser) took 2127.16ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 80.4MB in the beginning and 94.2MB in the end (delta: -13.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-11-16 11:51:50,077 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:51:50,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.81ms. Allocated memory is still 111.1MB. Free memory was 80.1MB in the beginning and 87.3MB in the end (delta: -7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:51:50,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.03ms. Allocated memory is still 111.1MB. Free memory was 87.3MB in the beginning and 86.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:51:50,079 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 85.2MB in the end (delta: 952.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:51:50,080 INFO L158 Benchmark]: RCFGBuilder took 287.60ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 76.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:51:50,081 INFO L158 Benchmark]: BuchiAutomizer took 1456.36ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 75.9MB in the beginning and 94.9MB in the end (delta: -19.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-11-16 11:51:50,081 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 94.2MB in the end (delta: 641.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:51:50,085 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.81ms. Allocated memory is still 111.1MB. Free memory was 80.1MB in the beginning and 87.3MB in the end (delta: -7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.03ms. Allocated memory is still 111.1MB. Free memory was 87.3MB in the beginning and 86.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 85.2MB in the end (delta: 952.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.60ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 76.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1456.36ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 75.9MB in the beginning and 94.9MB in the end (delta: -19.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 94.2MB in the end (delta: 641.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function v and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf87 smp100 dnf100 smp100 tf114 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:51:50,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-11-16 11:51:50,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed53f3-499a-4269-9463-7eec00ee73e6/bin/uautomizer-tPACEb0tL8/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