./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ce00c05d6d2a12a3b6abc6d7743dd3dfee22026f73ad6ef3aa1899d98559d03 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:06:53,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:06:53,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:06:53,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:06:53,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:06:53,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:06:53,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:06:53,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:06:53,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:06:53,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:06:53,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:06:53,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:06:53,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:06:53,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:06:53,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:06:53,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:06:53,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:06:53,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:06:53,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:06:53,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:06:53,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:06:53,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:06:53,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:06:53,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:06:53,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:06:53,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:06:53,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:06:53,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:06:53,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:06:53,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:06:53,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:06:53,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:06:53,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:06:53,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:06:53,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:06:53,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:06:53,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:06:53,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:06:53,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:06:53,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:06:53,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:06:53,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 12:06:53,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:06:53,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:06:53,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:06:53,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:06:53,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:06:53,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:06:53,113 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:06:53,113 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 12:06:53,113 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 12:06:53,114 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 12:06:53,114 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 12:06:53,114 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 12:06:53,114 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 12:06:53,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:06:53,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:06:53,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:06:53,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:06:53,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 12:06:53,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 12:06:53,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 12:06:53,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:06:53,116 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 12:06:53,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:06:53,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 12:06:53,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:06:53,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:06:53,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:06:53,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:06:53,118 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 12:06:53,118 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_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce00c05d6d2a12a3b6abc6d7743dd3dfee22026f73ad6ef3aa1899d98559d03 [2022-12-13 12:06:53,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:06:53,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:06:53,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:06:53,353 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:06:53,353 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:06:53,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2022-12-13 12:06:56,016 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:06:56,210 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:06:56,211 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2022-12-13 12:06:56,219 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/data/b75cb0301/602550a9793446aeb505957d9fa1053e/FLAGa566a4c3e [2022-12-13 12:06:56,230 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/data/b75cb0301/602550a9793446aeb505957d9fa1053e [2022-12-13 12:06:56,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:06:56,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:06:56,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:06:56,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:06:56,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:06:56,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c47d505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56, skipping insertion in model container [2022-12-13 12:06:56,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:06:56,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:06:56,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:06:56,438 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:06:56,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:06:56,477 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:06:56,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56 WrapperNode [2022-12-13 12:06:56,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:06:56,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:06:56,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:06:56,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:06:56,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,504 INFO L138 Inliner]: procedures = 113, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2022-12-13 12:06:56,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:06:56,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:06:56,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:06:56,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:06:56,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:06:56,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:06:56,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:06:56,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:06:56,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (1/1) ... [2022-12-13 12:06:56,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:56,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:56,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:56,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 12:06:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2022-12-13 12:06:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2022-12-13 12:06:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:06:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:06:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:06:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:06:56,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:06:56,651 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:06:56,653 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:06:56,743 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:06:56,748 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:06:56,748 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:06:56,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:06:56 BoogieIcfgContainer [2022-12-13 12:06:56,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:06:56,751 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 12:06:56,751 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 12:06:56,755 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 12:06:56,755 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:06:56,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 12:06:56" (1/3) ... [2022-12-13 12:06:56,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cff6740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:06:56, skipping insertion in model container [2022-12-13 12:06:56,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:06:56,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:56" (2/3) ... [2022-12-13 12:06:56,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cff6740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:06:56, skipping insertion in model container [2022-12-13 12:06:56,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:06:56,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:06:56" (3/3) ... [2022-12-13 12:06:56,758 INFO L332 chiAutomizerObserver]: Analyzing ICFG ll_create_rec-alloca-2.i [2022-12-13 12:06:56,816 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 12:06:56,817 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 12:06:56,817 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 12:06:56,817 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 12:06:56,817 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 12:06:56,822 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 12:06:56,823 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 12:06:56,823 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 12:06:56,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 12:06:56,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:06:56,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:06:56,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:06:56,852 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 12:06:56,852 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 12:06:56,852 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 12:06:56,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 12:06:56,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:06:56,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:06:56,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:06:56,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 12:06:56,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 12:06:56,862 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~ret5#1.base, main_#t~ret5#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11#L558true assume !(main_~n~0#1 < 0); 4#L561true call main_#t~ret5#1.base, main_#t~ret5#1.offset := new_ll(main_~n~0#1);< 10#$Ultimate##0true [2022-12-13 12:06:56,862 INFO L750 eck$LassoCheckResult]: Loop: 10#$Ultimate##0true ~n := #in~n; 5#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 14#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 10#$Ultimate##0true [2022-12-13 12:06:56,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:56,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1171947, now seen corresponding path program 1 times [2022-12-13 12:06:56,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:56,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182204592] [2022-12-13 12:06:56,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:56,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:56,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:06:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:56,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:06:56,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:56,970 INFO L85 PathProgramCache]: Analyzing trace with hash 29936, now seen corresponding path program 1 times [2022-12-13 12:06:56,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:56,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538735295] [2022-12-13 12:06:56,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:56,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:56,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:06:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:57,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:06:57,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:57,013 INFO L85 PathProgramCache]: Analyzing trace with hash 553734854, now seen corresponding path program 1 times [2022-12-13 12:06:57,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:57,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507727236] [2022-12-13 12:06:57,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:57,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:57,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:06:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:57,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:06:57,646 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:06:57,647 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:06:57,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:06:57,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:06:57,647 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:06:57,647 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:57,647 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:06:57,647 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:06:57,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_create_rec-alloca-2.i_Iteration1_Lasso [2022-12-13 12:06:57,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:06:57,648 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:06:57,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,727 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,736 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:57,839 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:06:57,843 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:06:57,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:57,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:57,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:57,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 12:06:57,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:06:57,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:57,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:57,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:57,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:57,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:57,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:57,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:57,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:57,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:06:57,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:57,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:57,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:57,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 12:06:57,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:06:57,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:57,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:57,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:57,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:57,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:57,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:57,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:57,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:57,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 12:06:57,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:57,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:57,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:57,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 12:06:57,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:06:57,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:57,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:57,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:57,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:57,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:57,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:57,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:57,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:57,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 12:06:57,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:57,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:57,907 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:57,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 12:06:57,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:06:57,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:57,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:57,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:57,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:57,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:06:57,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:06:57,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:57,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 12:06:57,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:57,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:57,930 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:57,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 12:06:57,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:06:57,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:57,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:57,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:57,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:57,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:57,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:57,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:57,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:57,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 12:06:57,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:57,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:57,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:57,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 12:06:57,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:06:57,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:57,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:57,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:57,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:57,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:57,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:57,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:57,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:57,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 12:06:57,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:57,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:57,967 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:57,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 12:06:57,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:06:57,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:57,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:57,979 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 12:06:57,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:57,986 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 12:06:57,986 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 12:06:58,003 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:06:58,020 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-12-13 12:06:58,020 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-12-13 12:06:58,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:58,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:58,049 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:58,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 12:06:58,051 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:06:58,064 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-12-13 12:06:58,065 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:06:58,065 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n Supporting invariants [1*new_ll_#in~n >= 0] [2022-12-13 12:06:58,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 12:06:58,074 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-12-13 12:06:58,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:58,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 12:06:58,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:58,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 12:06:58,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:58,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:58,213 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-12-13 12:06:58,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:06:58,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 36 transitions. Complement of second has 13 states. [2022-12-13 12:06:58,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 12:06:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:06:58,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-12-13 12:06:58,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2022-12-13 12:06:58,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:58,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2022-12-13 12:06:58,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:58,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2022-12-13 12:06:58,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:58,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2022-12-13 12:06:58,326 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:06:58,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2022-12-13 12:06:58,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 12:06:58,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 12:06:58,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 12:06:58,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:06:58,329 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:06:58,329 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:06:58,329 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:06:58,330 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 12:06:58,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:06:58,330 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:06:58,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 12:06:58,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 12:06:58 BoogieIcfgContainer [2022-12-13 12:06:58,334 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 12:06:58,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:06:58,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:06:58,335 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:06:58,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:06:56" (3/4) ... [2022-12-13 12:06:58,337 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:06:58,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:06:58,338 INFO L158 Benchmark]: Toolchain (without parser) took 2105.61ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 86.6MB in the beginning and 54.7MB in the end (delta: 31.9MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-12-13 12:06:58,338 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:06:58,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.11ms. Allocated memory is still 121.6MB. Free memory was 86.3MB in the beginning and 71.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 12:06:58,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.28ms. Allocated memory is still 121.6MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:06:58,340 INFO L158 Benchmark]: Boogie Preprocessor took 16.25ms. Allocated memory is still 121.6MB. Free memory was 69.3MB in the beginning and 68.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:06:58,340 INFO L158 Benchmark]: RCFGBuilder took 229.02ms. Allocated memory is still 121.6MB. Free memory was 68.1MB in the beginning and 58.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:06:58,341 INFO L158 Benchmark]: BuchiAutomizer took 1583.46ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 57.9MB in the beginning and 55.7MB in the end (delta: 2.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-12-13 12:06:58,341 INFO L158 Benchmark]: Witness Printer took 2.65ms. Allocated memory is still 146.8MB. Free memory was 55.7MB in the beginning and 54.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:06:58,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.11ms. Allocated memory is still 121.6MB. Free memory was 86.3MB in the beginning and 71.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.28ms. Allocated memory is still 121.6MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.25ms. Allocated memory is still 121.6MB. Free memory was 69.3MB in the beginning and 68.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 229.02ms. Allocated memory is still 121.6MB. Free memory was 68.1MB in the beginning and 58.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1583.46ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 57.9MB in the beginning and 55.7MB in the end (delta: 2.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Witness Printer took 2.65ms. Allocated memory is still 146.8MB. Free memory was 55.7MB in the beginning and 54.7MB in the end (delta: 1.0MB). 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 \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 9 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax100 hnf100 lsp95 ukn30 mio100 lsp40 div100 bol100 ite100 ukn100 eq217 hnf86 smp100 dnf121 smp100 tf100 neg92 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 99ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2022-12-13 12:06:58,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 12:06:58,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c39ae86-cde5-4940-8cdc-a3dd47072436/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE