./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ --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 3a784e11bf73a2acfc7dcf1addce2ecbb061bf2a055ac7c7789f5cd2a0fe09f1 --- 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-dbf71c6-m [2022-10-17 10:39:47,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:39:47,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:39:47,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:39:47,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:39:47,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:39:47,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:39:47,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:39:47,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:39:47,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:39:47,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:39:47,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:39:47,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:39:47,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:39:47,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:39:47,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:39:47,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:39:47,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:39:47,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:39:47,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:39:47,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:39:47,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:39:47,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:39:47,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:39:47,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:39:47,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:39:47,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:39:47,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:39:47,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:39:47,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:39:47,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:39:47,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:39:47,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:39:47,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:39:47,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:39:47,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:39:47,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:39:47,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:39:47,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:39:47,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:39:47,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:39:47,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-10-17 10:39:47,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:39:47,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:39:47,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:39:47,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:39:47,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:39:47,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:39:47,686 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:39:47,686 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:39:47,686 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:39:47,686 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:39:47,687 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:39:47,688 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:39:47,688 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:39:47,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:39:47,688 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:39:47,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:39:47,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:39:47,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:39:47,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:39:47,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:39:47,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:39:47,690 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:39:47,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:39:47,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:39:47,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:39:47,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:39:47,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:39:47,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:39:47,694 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:39:47,695 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_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a784e11bf73a2acfc7dcf1addce2ecbb061bf2a055ac7c7789f5cd2a0fe09f1 [2022-10-17 10:39:48,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:39:48,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:39:48,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:39:48,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:39:48,058 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:39:48,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/termination-bwb/and-04.c [2022-10-17 10:39:48,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/data/451f7c9bb/ca59e0163cf144b4bba4bc82f26283f1/FLAG5630458e9 [2022-10-17 10:39:48,611 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:39:48,612 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/sv-benchmarks/c/termination-bwb/and-04.c [2022-10-17 10:39:48,619 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/data/451f7c9bb/ca59e0163cf144b4bba4bc82f26283f1/FLAG5630458e9 [2022-10-17 10:39:49,009 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/data/451f7c9bb/ca59e0163cf144b4bba4bc82f26283f1 [2022-10-17 10:39:49,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:39:49,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:39:49,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:39:49,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:39:49,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:39:49,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a0a2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49, skipping insertion in model container [2022-10-17 10:39:49,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:39:49,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:39:49,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:39:49,268 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:39:49,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:39:49,297 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:39:49,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49 WrapperNode [2022-10-17 10:39:49,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:39:49,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:39:49,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:39:49,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:39:49,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,331 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-10-17 10:39:49,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:39:49,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:39:49,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:39:49,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:39:49,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:39:49,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:39:49,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:39:49,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:39:49,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (1/1) ... [2022-10-17 10:39:49,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:49,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:49,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:49,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:39:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:39:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:39:49,479 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:39:49,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:39:49,596 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:39:49,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:39:49,604 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:39:49,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:39:49 BoogieIcfgContainer [2022-10-17 10:39:49,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:39:49,608 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:39:49,608 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:39:49,612 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:39:49,613 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:39:49,613 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:39:49" (1/3) ... [2022-10-17 10:39:49,614 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f7de812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:39:49, skipping insertion in model container [2022-10-17 10:39:49,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:39:49,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:49" (2/3) ... [2022-10-17 10:39:49,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f7de812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:39:49, skipping insertion in model container [2022-10-17 10:39:49,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:39:49,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:39:49" (3/3) ... [2022-10-17 10:39:49,620 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-04.c [2022-10-17 10:39:49,680 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:39:49,680 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:39:49,680 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:39:49,680 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:39:49,680 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:39:49,680 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:39:49,681 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:39:49,681 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:39:49,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-10-17 10:39:49,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-10-17 10:39:49,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:39:49,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:39:49,713 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:39:49,713 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:39:49,713 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:39:49,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-10-17 10:39:49,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-10-17 10:39:49,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:39:49,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:39:49,717 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:39:49,717 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:39:49,725 INFO L748 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#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_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 4#L16-1true [2022-10-17 10:39:49,725 INFO L750 eck$LassoCheckResult]: Loop: 4#L16-1true assume !!(main_~x~0#1 > 5); 2#L16true assume !(10 != main_~x~0#1);main_~x~0#1 := main_~x~0#1 - 1; 4#L16-1true [2022-10-17 10:39:49,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:49,732 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-10-17 10:39:49,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:49,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309067108] [2022-10-17 10:39:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:49,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:49,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:39:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:49,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:39:49,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:49,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1339, now seen corresponding path program 1 times [2022-10-17 10:39:49,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:49,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76261291] [2022-10-17 10:39:49,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:49,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:49,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:39:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:49,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:39:49,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:49,953 INFO L85 PathProgramCache]: Analyzing trace with hash 925821, now seen corresponding path program 1 times [2022-10-17 10:39:49,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:49,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581463103] [2022-10-17 10:39:49,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:49,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:49,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:39:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:49,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:39:50,112 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:39:50,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:39:50,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:39:50,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:39:50,113 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:39:50,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:50,114 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:39:50,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:39:50,114 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration1_Loop [2022-10-17 10:39:50,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:39:50,115 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:39:50,147 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:39:50,228 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:39:50,230 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:39:50,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:50,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:50,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:50,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:39:50,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:39:50,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:39:50,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:39:50,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:50,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:50,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:50,327 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:39:50,327 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:39:50,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:39:50,364 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:39:50,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:39:50,402 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:39:50,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:39:50,402 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:39:50,402 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:39:50,403 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:39:50,403 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:50,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:39:50,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:39:50,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration1_Loop [2022-10-17 10:39:50,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:39:50,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:39:50,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:39:50,450 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:39:50,456 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:39:50,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:50,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:50,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:50,469 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 [2022-10-17 10:39:50,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:39:50,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:39:50,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:39:50,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:39:50,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:39:50,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:39:50,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:39:50,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:39:50,511 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:39:50,520 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-10-17 10:39:50,525 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:39:50,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:50,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:50,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:50,536 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:39:50,536 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:39:50,537 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:39:50,537 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-10-17 10:39:50,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:39:50,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:39:50,583 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:39:50,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:50,627 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:39:50,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:39:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:50,644 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:39:50,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:39:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:39:50,698 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-10-17 10:39:50,701 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:39:50,811 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 72 transitions. Complement of second has 6 states. [2022-10-17 10:39:50,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:39:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:39:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2022-10-17 10:39:50,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 2 letters. Loop has 2 letters. [2022-10-17 10:39:50,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:39:50,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 4 letters. Loop has 2 letters. [2022-10-17 10:39:50,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:39:50,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 2 letters. Loop has 4 letters. [2022-10-17 10:39:50,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:39:50,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 72 transitions. [2022-10-17 10:39:50,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-10-17 10:39:50,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 21 states and 31 transitions. [2022-10-17 10:39:50,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-10-17 10:39:50,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-10-17 10:39:50,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 31 transitions. [2022-10-17 10:39:50,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:39:50,853 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 31 transitions. [2022-10-17 10:39:50,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 31 transitions. [2022-10-17 10:39:50,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-10-17 10:39:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.5) internal successors, (30), 19 states have internal predecessors, (30), 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) [2022-10-17 10:39:50,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 30 transitions. [2022-10-17 10:39:50,941 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 30 transitions. [2022-10-17 10:39:50,942 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 30 transitions. [2022-10-17 10:39:50,942 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:39:50,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 30 transitions. [2022-10-17 10:39:50,943 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-10-17 10:39:50,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:39:50,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:39:50,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:39:50,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:39:50,945 INFO L748 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 104#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_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 107#L16-1 assume !!(main_~x~0#1 > 5); 93#L16 [2022-10-17 10:39:50,945 INFO L750 eck$LassoCheckResult]: Loop: 93#L16 assume 10 != main_~x~0#1; 94#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_~x~0#1 := 0; 101#L16-1 assume !!(main_~x~0#1 > 5); 93#L16 [2022-10-17 10:39:50,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:50,946 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-10-17 10:39:50,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:50,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934959628] [2022-10-17 10:39:50,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:50,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:50,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:39:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:50,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:39:50,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:50,978 INFO L85 PathProgramCache]: Analyzing trace with hash 43783, now seen corresponding path program 1 times [2022-10-17 10:39:50,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:50,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943284207] [2022-10-17 10:39:50,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:50,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:50,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-10-17 10:39:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:39:51,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:39:51,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943284207] [2022-10-17 10:39:51,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943284207] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:39:51,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:39:51,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:39:51,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117650370] [2022-10-17 10:39:51,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:39:51,053 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:39:51,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:39:51,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:39:51,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:39:51,058 INFO L87 Difference]: Start difference. First operand 20 states and 30 transitions. cyclomatic complexity: 13 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-10-17 10:39:51,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:39:51,087 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2022-10-17 10:39:51,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 26 transitions. [2022-10-17 10:39:51,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-10-17 10:39:51,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 19 transitions. [2022-10-17 10:39:51,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-10-17 10:39:51,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-10-17 10:39:51,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-10-17 10:39:51,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:39:51,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-10-17 10:39:51,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-10-17 10:39:51,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2022-10-17 10:39:51,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:39:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-10-17 10:39:51,102 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-10-17 10:39:51,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:39:51,103 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-10-17 10:39:51,104 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:39:51,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-10-17 10:39:51,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-10-17 10:39:51,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:39:51,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:39:51,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:39:51,108 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:39:51,108 INFO L748 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 152#L16-1 assume !!(main_~x~0#1 > 5); 141#L16 assume 10 != main_~x~0#1; 142#L17 [2022-10-17 10:39:51,109 INFO L750 eck$LassoCheckResult]: Loop: 142#L17 assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1); 145#L17-2 assume !(1 == main_~x~0#1 && (0 == main_~x~0#1 - 1 || 1 == main_~x~0#1 - 1)); 146#L17-4 assume !((0 == main_~x~0#1 || 1 == main_~x~0#1) && 1 == main_~x~0#1 - 1); 151#L17-6 assume !(main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0);main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 147#L16-1 assume !!(main_~x~0#1 > 5); 148#L16 assume 10 != main_~x~0#1; 142#L17 [2022-10-17 10:39:51,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:51,110 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-10-17 10:39:51,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:51,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724043402] [2022-10-17 10:39:51,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:51,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:51,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:39:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:51,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:39:51,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:51,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1454519022, now seen corresponding path program 1 times [2022-10-17 10:39:51,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:51,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163946830] [2022-10-17 10:39:51,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:51,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:51,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:39:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:39:51,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:39:51,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:51,163 INFO L85 PathProgramCache]: Analyzing trace with hash 981316499, now seen corresponding path program 1 times [2022-10-17 10:39:51,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:51,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926090907] [2022-10-17 10:39:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:51,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:39:51,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:39:51,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926090907] [2022-10-17 10:39:51,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926090907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:39:51,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:39:51,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:39:51,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368323809] [2022-10-17 10:39:51,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:39:51,346 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:39:51,347 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:39:51,347 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:39:51,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:39:51,347 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:39:51,347 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:51,347 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:39:51,348 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:39:51,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Loop [2022-10-17 10:39:51,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:39:51,348 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:39:51,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:39:51,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:39:51,457 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:39:51,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:51,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:51,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:51,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:39:51,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:39:51,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:39:51,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:39:51,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:51,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:51,517 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:51,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:39:51,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:39:51,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:39:51,596 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:39:51,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-10-17 10:39:51,601 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:39:51,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:39:51,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:39:51,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:39:51,602 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:39:51,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:51,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:39:51,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:39:51,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Loop [2022-10-17 10:39:51,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:39:51,603 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:39:51,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:39:51,693 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:39:51,693 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:39:51,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:51,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:51,696 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:51,708 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 [2022-10-17 10:39:51,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:39:51,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:39:51,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:39:51,720 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:39:51,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:39:51,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:39:51,724 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:39:51,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:39:51,743 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:39:51,749 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:39:51,750 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:39:51,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:39:51,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:51,752 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:51,776 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:39:51,776 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:39:51,776 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:39:51,777 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-10-17 10:39:51,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:39:51,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:39:51,814 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:39:51,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:51,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:39:51,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:39:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:51,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 10:39:51,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:39:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:39:51,961 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-10-17 10:39:51,961 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:39:51,990 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 31 transitions. Complement of second has 9 states. [2022-10-17 10:39:51,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-10-17 10:39:51,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:39:51,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-10-17 10:39:51,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2022-10-17 10:39:51,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:39:51,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 10 letters. Loop has 6 letters. [2022-10-17 10:39:51,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:39:51,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 12 letters. [2022-10-17 10:39:51,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:39:51,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2022-10-17 10:39:51,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-10-17 10:39:51,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 24 transitions. [2022-10-17 10:39:51,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-10-17 10:39:51,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-10-17 10:39:51,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-10-17 10:39:51,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:39:51,998 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-10-17 10:39:51,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-10-17 10:39:51,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-10-17 10:39:52,000 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) [2022-10-17 10:39:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-10-17 10:39:52,000 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-10-17 10:39:52,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:39:52,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:39:52,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:39:52,002 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:39:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:39:52,016 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2022-10-17 10:39:52,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2022-10-17 10:39:52,017 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:39:52,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2022-10-17 10:39:52,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:39:52,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:39:52,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:39:52,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:39:52,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:39:52,018 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:39:52,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:39:52,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:39:52,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:39:52,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:39:52,021 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:39:52,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:39:52,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:39:52 BoogieIcfgContainer [2022-10-17 10:39:52,029 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:39:52,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:39:52,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:39:52,030 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:39:52,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:39:49" (3/4) ... [2022-10-17 10:39:52,033 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:39:52,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:39:52,034 INFO L158 Benchmark]: Toolchain (without parser) took 3020.50ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 65.3MB in the beginning and 70.8MB in the end (delta: -5.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-10-17 10:39:52,035 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:39:52,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.80ms. Allocated memory is still 111.1MB. Free memory was 65.1MB in the beginning and 85.3MB in the end (delta: -20.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:39:52,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.58ms. Allocated memory is still 111.1MB. Free memory was 85.3MB in the beginning and 83.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:39:52,037 INFO L158 Benchmark]: Boogie Preprocessor took 18.69ms. Allocated memory is still 111.1MB. Free memory was 83.9MB in the beginning and 82.9MB in the end (delta: 960.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:39:52,037 INFO L158 Benchmark]: RCFGBuilder took 255.01ms. Allocated memory is still 111.1MB. Free memory was 82.6MB in the beginning and 73.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:39:52,038 INFO L158 Benchmark]: BuchiAutomizer took 2421.20ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 73.7MB in the beginning and 70.8MB in the end (delta: 2.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2022-10-17 10:39:52,039 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 134.2MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:39:52,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.80ms. Allocated memory is still 111.1MB. Free memory was 65.1MB in the beginning and 85.3MB in the end (delta: -20.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.58ms. Allocated memory is still 111.1MB. Free memory was 85.3MB in the beginning and 83.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.69ms. Allocated memory is still 111.1MB. Free memory was 83.9MB in the beginning and 82.9MB in the end (delta: 960.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.01ms. Allocated memory is still 111.1MB. Free memory was 82.6MB in the beginning and 73.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2421.20ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 73.7MB in the beginning and 70.8MB in the end (delta: 2.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 134.2MB. Free memory is still 70.8MB. 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function -1 * x and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 25 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq175 hnf92 smp100 dnf132 smp96 tf108 neg94 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 83ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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! [2022-10-17 10:39:52,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:39:52,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75631e76-eabe-410d-94d0-034b13ea06e8/bin/uautomizer-J5u9QxTXDZ/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