./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/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_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/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 32bit --witnessprinter.graph.data.programhash 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 --- 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 10:08:53,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:08:53,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:08:53,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:08:53,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:08:53,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:08:53,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:08:53,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:08:53,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:08:53,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:08:53,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:08:53,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:08:53,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:08:53,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:08:53,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:08:53,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:08:53,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:08:53,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:08:53,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:08:53,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:08:53,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:08:53,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:08:53,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:08:53,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:08:53,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:08:53,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:08:53,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:08:53,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:08:53,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:08:53,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:08:53,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:08:53,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:08:53,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:08:53,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:08:53,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:08:53,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:08:53,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:08:53,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:08:53,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:08:53,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:08:53,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:08:53,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:08:53,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:08:53,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:08:53,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:08:53,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:08:53,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:08:53,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:08:53,565 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:08:53,565 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:08:53,565 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:08:53,566 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:08:53,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:08:53,567 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:08:53,567 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:08:53,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:08:53,568 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:08:53,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:08:53,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:08:53,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:08:53,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:08:53,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:08:53,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:08:53,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:08:53,569 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:08:53,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:08:53,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:08:53,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:08:53,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:08:53,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:08:53,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:08:53,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:08:53,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:08:53,590 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:08:53,591 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_bdeb025d-92f8-42cb-b46d-be74e4cf013a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 [2022-10-17 10:08:53,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:08:53,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:08:53,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:08:53,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:08:53,934 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:08:53,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/loops/terminator_03-2.i [2022-10-17 10:08:54,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/data/6e1c2d91d/9a954cfb64874ab6995a08f9b8c453cd/FLAG7782a3e4a [2022-10-17 10:08:54,587 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:08:54,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/sv-benchmarks/c/loops/terminator_03-2.i [2022-10-17 10:08:54,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/data/6e1c2d91d/9a954cfb64874ab6995a08f9b8c453cd/FLAG7782a3e4a [2022-10-17 10:08:54,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/data/6e1c2d91d/9a954cfb64874ab6995a08f9b8c453cd [2022-10-17 10:08:54,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:08:54,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:08:54,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:08:54,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:08:54,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:08:54,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:08:54" (1/1) ... [2022-10-17 10:08:54,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7381b014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:54, skipping insertion in model container [2022-10-17 10:08:54,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:08:54" (1/1) ... [2022-10-17 10:08:54,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:08:54,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:08:55,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/sv-benchmarks/c/loops/terminator_03-2.i[902,915] [2022-10-17 10:08:55,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:08:55,207 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:08:55,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/sv-benchmarks/c/loops/terminator_03-2.i[902,915] [2022-10-17 10:08:55,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:08:55,240 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:08:55,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55 WrapperNode [2022-10-17 10:08:55,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:08:55,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:08:55,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:08:55,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:08:55,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,276 INFO L138 Inliner]: procedures = 17, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-10-17 10:08:55,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:08:55,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:08:55,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:08:55,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:08:55,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,304 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:08:55,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:08:55,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:08:55,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:08:55,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (1/1) ... [2022-10-17 10:08:55,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:08:55,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:08:55,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:08:55,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:08:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:08:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:08:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:08:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:08:55,489 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:08:55,491 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:08:55,648 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:08:55,661 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:08:55,661 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:08:55,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:08:55 BoogieIcfgContainer [2022-10-17 10:08:55,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:08:55,664 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:08:55,665 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:08:55,670 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:08:55,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:08:55,671 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:08:54" (1/3) ... [2022-10-17 10:08:55,672 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f379d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:08:55, skipping insertion in model container [2022-10-17 10:08:55,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:08:55,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:55" (2/3) ... [2022-10-17 10:08:55,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f379d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:08:55, skipping insertion in model container [2022-10-17 10:08:55,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:08:55,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:08:55" (3/3) ... [2022-10-17 10:08:55,675 INFO L332 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2022-10-17 10:08:55,730 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:08:55,730 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:08:55,730 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:08:55,731 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:08:55,731 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:08:55,731 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:08:55,731 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:08:55,731 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:08:55,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 10:08:55,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 10:08:55,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:08:55,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:08:55,761 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:08:55,762 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 10:08:55,762 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:08:55,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 10:08:55,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 10:08:55,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:08:55,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:08:55,764 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:08:55,764 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 10:08:55,773 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L28true assume !!(main_~y~0#1 <= 1000000); 8#L29true assume main_~y~0#1 > 0; 3#L30-2true [2022-10-17 10:08:55,773 INFO L750 eck$LassoCheckResult]: Loop: 3#L30-2true assume !!(main_~x~0#1 < 100);main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 3#L30-2true [2022-10-17 10:08:55,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:08:55,779 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2022-10-17 10:08:55,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:08:55,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928702599] [2022-10-17 10:08:55,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:08:55,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:08:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:08:55,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:08:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:08:55,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:08:55,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:08:55,910 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2022-10-17 10:08:55,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:08:55,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637595317] [2022-10-17 10:08:55,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:08:55,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:08:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:08:55,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:08:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:08:55,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:08:55,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:08:55,926 INFO L85 PathProgramCache]: Analyzing trace with hash 28695789, now seen corresponding path program 1 times [2022-10-17 10:08:55,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:08:55,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103284850] [2022-10-17 10:08:55,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:08:55,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:08:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:08:55,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:08:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:08:55,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:08:56,237 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:08:56,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:08:56,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:08:56,238 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:08:56,238 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:08:56,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:08:56,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:08:56,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:08:56,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2022-10-17 10:08:56,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:08:56,239 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:08:56,264 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 10:08:56,287 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 10:08:56,291 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 10:08:56,345 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 10:08:56,349 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 10:08:56,353 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 10:08:56,355 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 10:08:56,368 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 10:08:56,374 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 10:08:56,406 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 10:08:56,595 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:08:56,599 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:08:56,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:08:56,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:08:56,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:08:56,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:08:56,690 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 10:08:56,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:08:56,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:08:56,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:08:56,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:08:56,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:08:56,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:08:56,754 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:08:56,765 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-10-17 10:08:56,765 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:08:56,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:08:56,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:08:56,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:08:56,778 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:08:56,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:08:56,806 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-10-17 10:08:56,807 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:08:56,807 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 199*ULTIMATE.start_main_~y~0#1 - 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2022-10-17 10:08:56,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:08:56,845 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-10-17 10:08:56,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:08:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:08:56,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:08:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,924 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 10:08:56,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:08:56,925 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 10:08:56,959 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 10:08:56,961 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2022-10-17 10:08:57,021 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 35 states and 42 transitions. Complement of second has 5 states. [2022-10-17 10:08:57,024 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 10:08:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2022-10-17 10:08:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2022-10-17 10:08:57,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 1 letters. [2022-10-17 10:08:57,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:08:57,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 5 letters. Loop has 1 letters. [2022-10-17 10:08:57,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:08:57,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 2 letters. [2022-10-17 10:08:57,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:08:57,033 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2022-10-17 10:08:57,037 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:08:57,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2022-10-17 10:08:57,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:08:57,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:08:57,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:08:57,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:08:57,041 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:08:57,041 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:08:57,041 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:08:57,041 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:08:57,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:08:57,042 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:08:57,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:08:57,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:08:57 BoogieIcfgContainer [2022-10-17 10:08:57,050 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:08:57,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:08:57,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:08:57,051 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:08:57,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:08:55" (3/4) ... [2022-10-17 10:08:57,054 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:08:57,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:08:57,056 INFO L158 Benchmark]: Toolchain (without parser) took 2123.10ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 69.7MB in the beginning and 101.8MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:08:57,056 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:08:57,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.38ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 86.2MB in the end (delta: -16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:08:57,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.75ms. Allocated memory is still 113.2MB. Free memory was 86.2MB in the beginning and 85.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:08:57,058 INFO L158 Benchmark]: Boogie Preprocessor took 34.16ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 83.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:08:57,059 INFO L158 Benchmark]: RCFGBuilder took 350.80ms. Allocated memory is still 113.2MB. Free memory was 83.7MB in the beginning and 74.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:08:57,060 INFO L158 Benchmark]: BuchiAutomizer took 1385.16ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 74.9MB in the beginning and 102.9MB in the end (delta: -28.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-10-17 10:08:57,060 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 101.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:08:57,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.38ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 86.2MB in the end (delta: -16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.75ms. Allocated memory is still 113.2MB. Free memory was 86.2MB in the beginning and 85.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.16ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 83.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 350.80ms. Allocated memory is still 113.2MB. Free memory was 83.7MB in the beginning and 74.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1385.16ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 74.9MB in the beginning and 102.9MB in the end (delta: -28.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 101.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 199 * y + -2 * x and consists of 4 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 0.1s. 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 17 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital64 mio100 ax100 hnf100 lsp26 ukn94 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf100 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 207ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:08:57,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:08:57,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeb025d-92f8-42cb-b46d-be74e4cf013a/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