./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.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_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/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_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/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_2d51504b-47b7-4dc1-8159-3b3098c12a18/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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- 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 11:09:43,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:09:43,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:09:44,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:09:44,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:09:44,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:09:44,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:09:44,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:09:44,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:09:44,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:09:44,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:09:44,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:09:44,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:09:44,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:09:44,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:09:44,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:09:44,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:09:44,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:09:44,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:09:44,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:09:44,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:09:44,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:09:44,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:09:44,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:09:44,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:09:44,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:09:44,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:09:44,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:09:44,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:09:44,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:09:44,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:09:44,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:09:44,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:09:44,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:09:44,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:09:44,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:09:44,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:09:44,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:09:44,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:09:44,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:09:44,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:09:44,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 11:09:44,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:09:44,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:09:44,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:09:44,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:09:44,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:09:44,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:09:44,170 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:09:44,171 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 11:09:44,171 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 11:09:44,171 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 11:09:44,173 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 11:09:44,173 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 11:09:44,173 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 11:09:44,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:09:44,174 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:09:44,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 11:09:44,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:09:44,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:09:44,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:09:44,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 11:09:44,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 11:09:44,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 11:09:44,176 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:09:44,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:09:44,182 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 11:09:44,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:09:44,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 11:09:44,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:09:44,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:09:44,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:09:44,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:09:44,185 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 11:09:44,185 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_2d51504b-47b7-4dc1-8159-3b3098c12a18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2022-10-17 11:09:44,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:09:44,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:09:44,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:09:44,487 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:09:44,488 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:09:44,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/loop-invgen/id_trans.i [2022-10-17 11:09:44,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/data/f440e5f74/72e85fefcd984acfabb39756f33a9480/FLAG004095a9f [2022-10-17 11:09:44,996 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:09:44,998 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/sv-benchmarks/c/loop-invgen/id_trans.i [2022-10-17 11:09:45,004 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/data/f440e5f74/72e85fefcd984acfabb39756f33a9480/FLAG004095a9f [2022-10-17 11:09:45,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/data/f440e5f74/72e85fefcd984acfabb39756f33a9480 [2022-10-17 11:09:45,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:09:45,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:09:45,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:09:45,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:09:45,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:09:45,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e6a58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45, skipping insertion in model container [2022-10-17 11:09:45,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:09:45,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:09:45,594 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_2d51504b-47b7-4dc1-8159-3b3098c12a18/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2022-10-17 11:09:45,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:09:45,614 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:09:45,627 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_2d51504b-47b7-4dc1-8159-3b3098c12a18/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2022-10-17 11:09:45,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:09:45,645 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:09:45,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45 WrapperNode [2022-10-17 11:09:45,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:09:45,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:09:45,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:09:45,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:09:45,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,684 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2022-10-17 11:09:45,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:09:45,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:09:45,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:09:45,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:09:45,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:09:45,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:09:45,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:09:45,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:09:45,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (1/1) ... [2022-10-17 11:09:45,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:09:45,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:09:45,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:09:45,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 11:09:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 11:09:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 11:09:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:09:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:09:45,907 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:09:45,910 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:09:46,060 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:09:46,068 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:09:46,068 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 11:09:46,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:09:46 BoogieIcfgContainer [2022-10-17 11:09:46,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:09:46,071 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 11:09:46,072 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 11:09:46,076 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 11:09:46,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 11:09:46,077 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 11:09:45" (1/3) ... [2022-10-17 11:09:46,078 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@698acdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 11:09:46, skipping insertion in model container [2022-10-17 11:09:46,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 11:09:46,079 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:09:45" (2/3) ... [2022-10-17 11:09:46,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@698acdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 11:09:46, skipping insertion in model container [2022-10-17 11:09:46,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 11:09:46,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:09:46" (3/3) ... [2022-10-17 11:09:46,081 INFO L332 chiAutomizerObserver]: Analyzing ICFG id_trans.i [2022-10-17 11:09:46,140 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 11:09:46,140 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 11:09:46,140 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 11:09:46,141 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 11:09:46,141 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 11:09:46,141 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 11:09:46,141 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 11:09:46,141 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 11:09:46,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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 11:09:46,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-10-17 11:09:46,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 11:09:46,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 11:09:46,172 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 11:09:46,173 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:09:46,173 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 11:09:46,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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 11:09:46,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-10-17 11:09:46,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 11:09:46,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 11:09:46,176 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 11:09:46,177 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:09:46,185 INFO L748 eck$LassoCheckResult]: Stem: 4#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(9, 2); 8#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_#t~nondet3#1, main_#t~post4#1, main_~idBitLength~0#1, main_~material_length~0#1, main_~nlen~0#1, main_~j~0#1, main_~k~0#1;havoc main_~idBitLength~0#1;havoc main_~material_length~0#1;havoc main_~nlen~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~nlen~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~idBitLength~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~material_length~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5#L30true assume !!(main_~nlen~0#1 == (if main_~idBitLength~0#1 < 0 && 0 != main_~idBitLength~0#1 % 32 then 1 + main_~idBitLength~0#1 / 32 else main_~idBitLength~0#1 / 32));main_~j~0#1 := 0; 11#L31-3true [2022-10-17 11:09:46,185 INFO L750 eck$LassoCheckResult]: Loop: 11#L31-3true assume !!(main_~j~0#1 < (if main_~idBitLength~0#1 < 0 && 0 != main_~idBitLength~0#1 % 8 then 1 + main_~idBitLength~0#1 / 8 else main_~idBitLength~0#1 / 8) && main_~j~0#1 < main_~material_length~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 13#L18true assume !(0 == __VERIFIER_assert_~cond#1); 15#L18-2true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 < main_~material_length~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 6#L18-5true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= (if main_~j~0#1 < 0 && 0 != main_~j~0#1 % 4 then 1 + main_~j~0#1 / 4 else main_~j~0#1 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 16#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 9#L18-8true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if (if main_~j~0#1 < 0 && 0 != main_~j~0#1 % 4 then 1 + main_~j~0#1 / 4 else main_~j~0#1 / 4) < main_~nlen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 12#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 14#L18-11true assume { :end_inline___VERIFIER_assert } true; 20#L31-2true main_#t~post4#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11#L31-3true [2022-10-17 11:09:46,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:09:46,193 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-10-17 11:09:46,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:09:46,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940947975] [2022-10-17 11:09:46,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:09:46,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:09:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:09:46,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 11:09:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:09:46,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 11:09:46,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:09:46,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1560846529, now seen corresponding path program 1 times [2022-10-17 11:09:46,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:09:46,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12941561] [2022-10-17 11:09:46,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:09:46,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:09:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:09:46,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 11:09:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:09:46,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 11:09:46,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:09:46,422 INFO L85 PathProgramCache]: Analyzing trace with hash 294954018, now seen corresponding path program 1 times [2022-10-17 11:09:46,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:09:46,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697633384] [2022-10-17 11:09:46,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:09:46,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:09:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:09:46,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 11:09:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:09:46,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 11:09:47,288 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 11:09:47,289 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 11:09:47,289 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 11:09:47,289 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 11:09:47,290 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 11:09:47,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:09:47,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 11:09:47,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 11:09:47,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2022-10-17 11:09:47,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 11:09:47,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 11:09:47,313 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 11:09:47,339 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 11:09:47,341 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 11:09:47,492 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 11:09:47,493 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 11:09:47,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:09:47,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:09:47,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:09:47,506 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 11:09:47,506 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 11:09:47,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 11:09:47,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 11:09:47,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:09:47,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:09:47,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:09:47,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 11:09:47,584 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 11:09:47,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 11:09:47,724 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 11:09:47,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 11:09:47,731 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 11:09:47,732 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 11:09:47,732 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 11:09:47,732 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 11:09:47,732 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 11:09:47,732 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:09:47,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 11:09:47,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 11:09:47,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2022-10-17 11:09:47,733 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 11:09:47,733 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 11:09:47,734 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 11:09:47,744 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 11:09:47,746 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 11:09:47,937 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 11:09:47,941 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 11:09:47,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:09:47,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:09:47,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:09:47,975 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 11:09:47,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 11:09:47,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 11:09:47,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 11:09:47,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 11:09:47,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 11:09:47,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 11:09:47,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 11:09:47,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 11:09:48,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 11:09:48,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 11:09:48,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:09:48,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:09:48,044 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:09:48,050 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 11:09:48,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 11:09:48,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 11:09:48,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 11:09:48,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 11:09:48,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 11:09:48,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 11:09:48,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 11:09:48,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 11:09:48,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 11:09:48,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 11:09:48,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:09:48,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:09:48,104 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:09:48,110 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 11:09:48,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 11:09:48,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 11:09:48,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 11:09:48,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 11:09:48,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 11:09:48,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 11:09:48,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 11:09:48,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 11:09:48,151 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 11:09:48,172 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 11:09:48,172 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 11:09:48,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:09:48,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:09:48,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:09:48,180 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 11:09:48,180 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 11:09:48,180 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 11:09:48,181 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nlen~0#1, ULTIMATE.start_main_~j~0#1) = 4*ULTIMATE.start_main_~nlen~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-10-17 11:09:48,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 11:09:48,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 11:09:48,208 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 11:09:48,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:09:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:09:48,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 11:09:48,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 11:09:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:09:48,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 11:09:48,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 11:09:48,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 11:09:48,661 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 11:09:48,717 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-10-17 11:09:48,719 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 11:09:48,886 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 74 transitions. Complement of second has 9 states. [2022-10-17 11:09:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-10-17 11:09:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 11:09:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-10-17 11:09:48,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 3 letters. Loop has 10 letters. [2022-10-17 11:09:48,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 11:09:48,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 13 letters. Loop has 10 letters. [2022-10-17 11:09:48,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 11:09:48,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 3 letters. Loop has 20 letters. [2022-10-17 11:09:48,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 11:09:48,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 74 transitions. [2022-10-17 11:09:48,917 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 11:09:48,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2022-10-17 11:09:48,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 11:09:48,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 11:09:48,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 11:09:48,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:09:48,923 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 11:09:48,923 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 11:09:48,923 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 11:09:48,923 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 11:09:48,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 11:09:48,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 11:09:48,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 11:09:48,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 11:09:48 BoogieIcfgContainer [2022-10-17 11:09:48,932 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 11:09:48,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 11:09:48,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 11:09:48,934 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 11:09:48,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:09:46" (3/4) ... [2022-10-17 11:09:48,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 11:09:48,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 11:09:48,945 INFO L158 Benchmark]: Toolchain (without parser) took 3575.01ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 43.7MB in the beginning and 53.2MB in the end (delta: -9.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-10-17 11:09:48,946 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:09:48,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.10ms. Allocated memory is still 88.1MB. Free memory was 43.6MB in the beginning and 63.5MB in the end (delta: -19.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 11:09:48,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.62ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 61.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:09:48,953 INFO L158 Benchmark]: Boogie Preprocessor took 26.67ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 60.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:09:48,954 INFO L158 Benchmark]: RCFGBuilder took 356.90ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 50.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 11:09:48,955 INFO L158 Benchmark]: BuchiAutomizer took 2860.98ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 53.2MB in the end (delta: -2.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-10-17 11:09:48,955 INFO L158 Benchmark]: Witness Printer took 9.83ms. Allocated memory is still 107.0MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:09:48,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.10ms. Allocated memory is still 88.1MB. Free memory was 43.6MB in the beginning and 63.5MB in the end (delta: -19.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.62ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 61.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.67ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 60.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.90ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 50.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2860.98ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 53.2MB in the end (delta: -2.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Witness Printer took 9.83ms. Allocated memory is still 107.0MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * j + 4 * nlen and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. 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, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div404 bol100 ite100 ukn100 eq106 hnf98 smp48 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 11:09:49,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51504b-47b7-4dc1-8159-3b3098c12a18/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