./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum01_bug02.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/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_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum01_bug02.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/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 32bit --witnessprinter.graph.data.programhash 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e --- 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 22:30:52,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:30:52,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:30:52,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:30:52,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:30:52,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:30:52,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:30:52,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:30:52,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:30:52,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:30:52,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:30:52,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:30:52,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:30:52,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:30:52,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:30:52,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:30:52,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:30:52,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:30:52,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:30:52,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:30:52,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:30:52,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:30:52,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:30:52,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:30:52,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:30:52,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:30:52,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:30:52,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:30:52,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:30:52,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:30:52,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:30:52,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:30:52,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:30:52,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:30:52,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:30:52,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:30:52,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:30:52,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:30:52,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:30:52,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:30:52,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:30:52,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 22:30:53,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:30:53,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:30:53,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:30:53,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:30:53,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:30:53,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:30:53,022 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:30:53,022 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 22:30:53,023 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 22:30:53,023 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 22:30:53,023 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 22:30:53,023 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 22:30:53,023 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 22:30:53,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:30:53,024 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:30:53,024 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:30:53,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:30:53,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:30:53,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:30:53,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 22:30:53,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 22:30:53,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 22:30:53,024 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:30:53,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:30:53,025 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 22:30:53,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:30:53,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 22:30:53,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:30:53,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:30:53,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:30:53,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:30:53,026 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 22:30:53,026 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_fa1848d7-9ca0-435e-90db-0b717c3374aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e [2022-12-13 22:30:53,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:30:53,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:30:53,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:30:53,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:30:53,212 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:30:53,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loops/sum01_bug02.i [2022-12-13 22:30:55,749 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:30:55,881 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:30:55,882 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/sv-benchmarks/c/loops/sum01_bug02.i [2022-12-13 22:30:55,887 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/data/56454c103/ee58038737104a6ba3f550848a33f29a/FLAG4bf5b849a [2022-12-13 22:30:55,898 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/data/56454c103/ee58038737104a6ba3f550848a33f29a [2022-12-13 22:30:55,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:30:55,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:30:55,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:30:55,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:30:55,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:30:55,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:30:55" (1/1) ... [2022-12-13 22:30:55,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c83bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:55, skipping insertion in model container [2022-12-13 22:30:55,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:30:55" (1/1) ... [2022-12-13 22:30:55,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:30:55,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:30:56,021 WARN L237 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_fa1848d7-9ca0-435e-90db-0b717c3374aa/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2022-12-13 22:30:56,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:30:56,035 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:30:56,044 WARN L237 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_fa1848d7-9ca0-435e-90db-0b717c3374aa/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2022-12-13 22:30:56,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:30:56,056 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:30:56,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56 WrapperNode [2022-12-13 22:30:56,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:30:56,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:30:56,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:30:56,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:30:56,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,079 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-12-13 22:30:56,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:30:56,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:30:56,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:30:56,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:30:56,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:30:56,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:30:56,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:30:56,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:30:56,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (1/1) ... [2022-12-13 22:30:56,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:56,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:56,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:56,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 22:30:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:30:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:30:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:30:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:30:56,197 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:30:56,198 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:30:56,283 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:30:56,290 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:30:56,290 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 22:30:56,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:30:56 BoogieIcfgContainer [2022-12-13 22:30:56,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:30:56,293 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 22:30:56,293 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 22:30:56,297 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 22:30:56,298 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:30:56,298 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:30:55" (1/3) ... [2022-12-13 22:30:56,299 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d2b895c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:30:56, skipping insertion in model container [2022-12-13 22:30:56,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:30:56,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:30:56" (2/3) ... [2022-12-13 22:30:56,300 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d2b895c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:30:56, skipping insertion in model container [2022-12-13 22:30:56,300 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:30:56,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:30:56" (3/3) ... [2022-12-13 22:30:56,302 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum01_bug02.i [2022-12-13 22:30:56,351 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 22:30:56,351 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 22:30:56,352 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 22:30:56,352 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 22:30:56,352 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 22:30:56,352 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 22:30:56,352 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 22:30:56,352 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 22:30:56,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:30:56,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 22:30:56,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:30:56,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:30:56,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 22:30:56,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 22:30:56,376 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 22:30:56,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:30:56,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 22:30:56,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:30:56,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:30:56,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 22:30:56,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 22:30:56,383 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post3#1, main_#t~post2#1, main_~i~0#1, main_~j~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~j~0#1 := 10;main_~n~0#1 := (if main_#t~nondet1#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 4294967296 % 4294967296 else main_#t~nondet1#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;main_~sn~0#1 := 0; 14#L24true assume !(2147483647 == main_~n~0#1);main_~i~0#1 := 1; 13#L27-3true [2022-12-13 22:30:56,384 INFO L750 eck$LassoCheckResult]: Loop: 13#L27-3true assume !!(main_~i~0#1 <= main_~n~0#1); 11#L28true assume main_~i~0#1 < main_~j~0#1;main_~sn~0#1 := 2 + main_~sn~0#1; 5#L28-2true main_#t~post3#1 := main_~j~0#1;main_~j~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 8#L27-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 13#L27-3true [2022-12-13 22:30:56,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:56,395 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-12-13 22:30:56,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:30:56,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383966158] [2022-12-13 22:30:56,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:56,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:30:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:56,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:30:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:56,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:30:56,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:56,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1388390, now seen corresponding path program 1 times [2022-12-13 22:30:56,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:30:56,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457099268] [2022-12-13 22:30:56,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:56,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:30:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:56,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:30:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:56,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:30:56,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:56,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1806998153, now seen corresponding path program 1 times [2022-12-13 22:30:56,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:30:56,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399559818] [2022-12-13 22:30:56,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:56,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:30:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:56,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:30:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:56,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:30:56,604 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:30:56,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:30:56,604 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:30:56,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:30:56,604 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:30:56,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:56,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:30:56,605 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:30:56,605 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2022-12-13 22:30:56,605 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:30:56,605 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:30:56,617 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 22:30:56,633 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 22:30:56,635 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 22:30:56,639 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 22:30:56,684 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:30:56,685 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:30:56,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:56,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:56,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:56,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 22:30:56,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:30:56,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:30:56,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:30:56,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:56,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:56,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:56,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 22:30:56,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:30:56,711 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:30:56,801 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 22:30:56,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 22:30:56,805 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:30:56,805 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:30:56,805 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:30:56,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:30:56,805 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:30:56,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:56,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:30:56,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:30:56,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2022-12-13 22:30:56,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:30:56,805 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:30:56,806 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 22:30:56,814 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 22:30:56,816 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 22:30:56,819 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 22:30:56,852 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:30:56,856 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:30:56,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:56,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:56,858 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:56,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 22:30:56,861 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 22:30:56,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:30:56,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:30:56,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:30:56,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:30:56,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:30:56,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:30:56,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:30:56,879 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:30:56,886 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 22:30:56,887 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 22:30:56,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:56,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:56,913 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:56,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 22:30:56,915 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:30:56,915 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 22:30:56,915 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:30:56,916 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~j~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-12-13 22:30:56,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 22:30:56,922 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 22:30:56,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:56,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:30:56,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:30:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:56,971 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 22:30:56,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:30:57,024 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 22:30:57,053 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 [2022-12-13 22:30:57,055 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-12-13 22:30:57,094 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 42 states and 52 transitions. Complement of second has 7 states. [2022-12-13 22:30:57,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 22:30:57,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-12-13 22:30:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-12-13 22:30:57,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 4 letters. [2022-12-13 22:30:57,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:30:57,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2022-12-13 22:30:57,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:30:57,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 8 letters. [2022-12-13 22:30:57,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:30:57,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 52 transitions. [2022-12-13 22:30:57,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 22:30:57,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 16 states and 19 transitions. [2022-12-13 22:30:57,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 22:30:57,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-12-13 22:30:57,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-12-13 22:30:57,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:30:57,107 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-13 22:30:57,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-12-13 22:30:57,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2022-12-13 22:30:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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) [2022-12-13 22:30:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-12-13 22:30:57,126 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-12-13 22:30:57,126 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-12-13 22:30:57,126 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 22:30:57,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2022-12-13 22:30:57,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 22:30:57,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:30:57,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:30:57,126 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 22:30:57,127 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 22:30:57,127 INFO L748 eck$LassoCheckResult]: Stem: 109#$Ultimate##0 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(14, 2); 110#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post3#1, main_#t~post2#1, main_~i~0#1, main_~j~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~j~0#1 := 10;main_~n~0#1 := (if main_#t~nondet1#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 4294967296 % 4294967296 else main_#t~nondet1#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;main_~sn~0#1 := 0; 115#L24 assume !(2147483647 == main_~n~0#1);main_~i~0#1 := 1; 116#L27-3 assume !!(main_~i~0#1 <= main_~n~0#1); 104#L28 [2022-12-13 22:30:57,127 INFO L750 eck$LassoCheckResult]: Loop: 104#L28 assume !(main_~i~0#1 < main_~j~0#1); 105#L28-2 main_#t~post3#1 := main_~j~0#1;main_~j~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 113#L27-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 111#L27-3 assume !!(main_~i~0#1 <= main_~n~0#1); 104#L28 [2022-12-13 22:30:57,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:57,127 INFO L85 PathProgramCache]: Analyzing trace with hash 925675, now seen corresponding path program 1 times [2022-12-13 22:30:57,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:30:57,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729943318] [2022-12-13 22:30:57,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:57,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:30:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:57,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:30:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:57,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:30:57,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:57,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1541242, now seen corresponding path program 1 times [2022-12-13 22:30:57,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:30:57,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693356888] [2022-12-13 22:30:57,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:57,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:30:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:57,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:30:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:30:57,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:30:57,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:57,152 INFO L85 PathProgramCache]: Analyzing trace with hash 182427492, now seen corresponding path program 1 times [2022-12-13 22:30:57,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:30:57,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583996417] [2022-12-13 22:30:57,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:57,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:30:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:30:57,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:30:57,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583996417] [2022-12-13 22:30:57,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583996417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:30:57,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:30:57,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:30:57,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187690873] [2022-12-13 22:30:57,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:30:57,244 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:30:57,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:30:57,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:30:57,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:30:57,245 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:30:57,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:30:57,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:30:57,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2022-12-13 22:30:57,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:30:57,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:30:57,246 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 22:30:57,248 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 22:30:57,250 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 22:30:57,280 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:30:57,280 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:30:57,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:57,282 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:57,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 22:30:57,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:30:57,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:30:57,296 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 22:30:57,296 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 22:30:57,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 22:30:57,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:57,301 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:57,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 22:30:57,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:30:57,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:30:57,314 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 22:30:57,315 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 22:30:57,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 22:30:57,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:57,319 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:57,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 22:30:57,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:30:57,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:30:57,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-12-13 22:30:57,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:57,337 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:57,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 22:30:57,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:30:57,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:30:57,698 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 22:30:57,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 22:30:57,702 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:30:57,702 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:30:57,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:30:57,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:30:57,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:30:57,702 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,703 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:30:57,703 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:30:57,703 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2022-12-13 22:30:57,703 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:30:57,703 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:30:57,704 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 22:30:57,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 22:30:57,712 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 22:30:57,714 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 22:30:57,739 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:30:57,739 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:30:57,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:57,741 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:57,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 22:30:57,743 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 22:30:57,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:30:57,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:30:57,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:30:57,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:30:57,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:30:57,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:30:57,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:30:57,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:30:57,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 22:30:57,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:57,759 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:57,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 22:30:57,761 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 22:30:57,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:30:57,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:30:57,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:30:57,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:30:57,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:30:57,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:30:57,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:30:57,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:30:57,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 22:30:57,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:57,777 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:57,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 22:30:57,779 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 22:30:57,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:30:57,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:30:57,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:30:57,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:30:57,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:30:57,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:30:57,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:30:57,795 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:30:57,799 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 22:30:57,799 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 22:30:57,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:30:57,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:57,800 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:30:57,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 22:30:57,802 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:30:57,802 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 22:30:57,802 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:30:57,802 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-12-13 22:30:57,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 22:30:57,807 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 22:30:57,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:57,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:30:57,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:30:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:57,833 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:30:57,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:30:57,846 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 22:30:57,847 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 22:30:57,847 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-13 22:30:57,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 24 states and 30 transitions. Complement of second has 6 states. [2022-12-13 22:30:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 22:30:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-13 22:30:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2022-12-13 22:30:57,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 4 letters. [2022-12-13 22:30:57,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:30:57,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 8 letters. Loop has 4 letters. [2022-12-13 22:30:57,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:30:57,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 8 letters. [2022-12-13 22:30:57,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:30:57,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2022-12-13 22:30:57,869 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:30:57,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-12-13 22:30:57,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 22:30:57,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 22:30:57,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 22:30:57,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:30:57,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:30:57,869 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:30:57,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:30:57,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:30:57,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:30:57,873 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-13 22:30:57,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:30:57,875 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-12-13 22:30:57,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-12-13 22:30:57,876 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:30:57,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 22:30:57,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 22:30:57,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 22:30:57,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 22:30:57,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:30:57,876 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:30:57,876 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:30:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:30:57,877 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:30:57,877 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 22:30:57,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 22:30:57,878 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:30:57,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 22:30:57,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 10:30:57 BoogieIcfgContainer [2022-12-13 22:30:57,884 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 22:30:57,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:30:57,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:30:57,885 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:30:57,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:30:56" (3/4) ... [2022-12-13 22:30:57,887 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:30:57,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:30:57,887 INFO L158 Benchmark]: Toolchain (without parser) took 1986.67ms. Allocated memory is still 123.7MB. Free memory was 85.7MB in the beginning and 79.3MB in the end (delta: 6.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-13 22:30:57,888 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:30:57,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.86ms. Allocated memory is still 123.7MB. Free memory was 85.7MB in the beginning and 75.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 22:30:57,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.54ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:30:57,889 INFO L158 Benchmark]: Boogie Preprocessor took 13.37ms. Allocated memory is still 123.7MB. Free memory was 74.3MB in the beginning and 73.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:30:57,889 INFO L158 Benchmark]: RCFGBuilder took 198.40ms. Allocated memory is still 123.7MB. Free memory was 73.2MB in the beginning and 63.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 22:30:57,889 INFO L158 Benchmark]: BuchiAutomizer took 1590.92ms. Allocated memory is still 123.7MB. Free memory was 63.5MB in the beginning and 79.3MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:30:57,890 INFO L158 Benchmark]: Witness Printer took 2.52ms. Allocated memory is still 123.7MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:30:57,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.86ms. Allocated memory is still 123.7MB. Free memory was 85.7MB in the beginning and 75.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.54ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.37ms. Allocated memory is still 123.7MB. Free memory was 74.3MB in the beginning and 73.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 198.40ms. Allocated memory is still 123.7MB. Free memory was 73.2MB in the beginning and 63.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1590.92ms. Allocated memory is still 123.7MB. Free memory was 63.5MB in the beginning and 79.3MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.52ms. Allocated memory is still 123.7MB. Free memory is still 79.3MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + j and consists of 5 locations. One deterministic module has affine ranking function -1 * i + n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 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 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 17 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp89 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf93 smp100 dnf100 smp100 tf107 neg98 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 58ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 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 22:30:57,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-12-13 22:30:58,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa1848d7-9ca0-435e-90db-0b717c3374aa/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