./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/bhmr2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/bhmr2007.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro --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 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d --- 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-8393723 [2022-11-18 19:35:37,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:35:37,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:35:38,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:35:38,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:35:38,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:35:38,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:35:38,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:35:38,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:35:38,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:35:38,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:35:38,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:35:38,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:35:38,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:35:38,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:35:38,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:35:38,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:35:38,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:35:38,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:35:38,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:35:38,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:35:38,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:35:38,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:35:38,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:35:38,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:35:38,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:35:38,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:35:38,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:35:38,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:35:38,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:35:38,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:35:38,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:35:38,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:35:38,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:35:38,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:35:38,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:35:38,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:35:38,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:35:38,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:35:38,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:35:38,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:35:38,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 19:35:38,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:35:38,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:35:38,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:35:38,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:35:38,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:35:38,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:35:38,079 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:35:38,079 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:35:38,079 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:35:38,080 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:35:38,080 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:35:38,080 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:35:38,081 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:35:38,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:35:38,081 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:35:38,081 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:35:38,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:35:38,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:35:38,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:35:38,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:35:38,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:35:38,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:35:38,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:35:38,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:35:38,084 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:35:38,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:35:38,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:35:38,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:35:38,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:35:38,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:35:38,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:35:38,087 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:35:38,087 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_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d [2022-11-18 19:35:38,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:35:38,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:35:38,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:35:38,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:35:38,434 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:35:38,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/loop-lit/bhmr2007.i [2022-11-18 19:35:38,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/data/64c7a7261/1d11c3ad9af8406383911d4fb0362abd/FLAG6f0d16034 [2022-11-18 19:35:39,119 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:35:39,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/sv-benchmarks/c/loop-lit/bhmr2007.i [2022-11-18 19:35:39,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/data/64c7a7261/1d11c3ad9af8406383911d4fb0362abd/FLAG6f0d16034 [2022-11-18 19:35:39,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/data/64c7a7261/1d11c3ad9af8406383911d4fb0362abd [2022-11-18 19:35:39,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:35:39,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:35:39,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:35:39,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:35:39,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:35:39,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@864f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39, skipping insertion in model container [2022-11-18 19:35:39,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:35:39,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:35:39,776 WARN L234 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_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2022-11-18 19:35:39,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:35:39,805 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:35:39,818 WARN L234 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_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2022-11-18 19:35:39,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:35:39,837 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:35:39,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39 WrapperNode [2022-11-18 19:35:39,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:35:39,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:35:39,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:35:39,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:35:39,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,874 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2022-11-18 19:35:39,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:35:39,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:35:39,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:35:39,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:35:39,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,892 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:35:39,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:35:39,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:35:39,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:35:39,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (1/1) ... [2022-11-18 19:35:39,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:39,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:35:39,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:35:39,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:35:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:35:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:35:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:35:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:35:40,047 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:35:40,050 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:35:40,267 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:35:40,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:35:40,274 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:35:40,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:35:40 BoogieIcfgContainer [2022-11-18 19:35:40,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:35:40,278 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:35:40,278 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:35:40,305 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:35:40,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:35:40,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:35:39" (1/3) ... [2022-11-18 19:35:40,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4552af41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:35:40, skipping insertion in model container [2022-11-18 19:35:40,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:35:40,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:39" (2/3) ... [2022-11-18 19:35:40,309 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4552af41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:35:40, skipping insertion in model container [2022-11-18 19:35:40,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:35:40,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:35:40" (3/3) ... [2022-11-18 19:35:40,311 INFO L332 chiAutomizerObserver]: Analyzing ICFG bhmr2007.i [2022-11-18 19:35:40,436 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:35:40,436 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:35:40,436 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:35:40,437 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:35:40,437 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:35:40,437 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:35:40,437 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:35:40,438 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:35:40,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) [2022-11-18 19:35:40,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:35:40,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:35:40,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:35:40,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 19:35:40,507 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:35:40,507 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:35:40,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) [2022-11-18 19:35:40,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:35:40,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:35:40,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:35:40,512 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 19:35:40,512 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:35:40,525 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~i~0#1, main_~n~0#1, main_~a~0#1, main_~b~0#1;havoc main_~i~0#1;havoc main_~n~0#1;havoc main_~a~0#1;havoc main_~b~0#1;main_~i~0#1 := 0;main_~a~0#1 := 0;main_~b~0#1 := 0;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L27true assume !!(main_~n~0#1 >= 0 && main_~n~0#1 <= 1000000); 6#L28-2true [2022-11-18 19:35:40,526 INFO L750 eck$LassoCheckResult]: Loop: 6#L28-2true assume !!(main_~i~0#1 < main_~n~0#1); 5#L29true assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~a~0#1 := 1 + main_~a~0#1;main_~b~0#1 := 2 + main_~b~0#1; 14#L29-2true main_~i~0#1 := 1 + main_~i~0#1; 6#L28-2true [2022-11-18 19:35:40,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:35:40,545 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-18 19:35:40,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:35:40,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683660437] [2022-11-18 19:35:40,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:35:40,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:35:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:35:40,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:35:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:35:40,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:35:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:35:40,759 INFO L85 PathProgramCache]: Analyzing trace with hash 45779, now seen corresponding path program 1 times [2022-11-18 19:35:40,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:35:40,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730630179] [2022-11-18 19:35:40,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:35:40,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:35:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:35:40,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:35:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:35:40,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:35:40,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:35:40,822 INFO L85 PathProgramCache]: Analyzing trace with hash 889575248, now seen corresponding path program 1 times [2022-11-18 19:35:40,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:35:40,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454537089] [2022-11-18 19:35:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:35:40,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:35:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:35:40,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:35:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:35:40,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:35:41,046 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:35:41,047 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:35:41,048 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:35:41,048 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:35:41,049 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 19:35:41,049 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:41,049 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:35:41,050 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:35:41,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2022-11-18 19:35:41,051 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:35:41,051 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:35:41,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:35:41,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:35:41,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:35:41,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:35:41,220 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:35:41,221 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 19:35:41,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:41,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:35:41,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:35:41,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:35:41,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:35:41,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 19:35:41,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:35:41,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:41,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:35:41,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:35:41,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 19:35:41,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:35:41,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:35:41,343 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:35:41,343 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0#1=0} Honda state: {ULTIMATE.start_main_~b~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~b~0#1=7}, {ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~b~0#1=-5}] Lambdas: [1, 9, 1] Nus: [1, 0] [2022-11-18 19:35:41,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:35:41,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:41,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:35:41,353 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:35:41,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 19:35:41,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:35:41,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:35:41,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:35:41,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:41,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:35:41,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:35:41,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:35:41,411 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:35:41,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 19:35:41,597 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 19:35:41,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:35:41,602 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:35:41,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:35:41,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:35:41,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:35:41,602 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:35:41,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:41,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:35:41,602 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:35:41,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2022-11-18 19:35:41,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:35:41,603 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:35:41,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:35:41,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:35:41,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:35:41,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:35:41,722 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:35:41,727 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:35:41,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:41,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:35:41,730 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:35:41,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 19:35:41,744 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 [2022-11-18 19:35:41,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:35:41,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:35:41,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:35:41,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:35:41,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:35:41,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:35:41,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:35:41,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:35:41,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:35:41,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:41,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:35:41,792 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:35:41,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 19:35:41,800 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 [2022-11-18 19:35:41,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:35:41,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:35:41,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:35:41,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:35:41,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:35:41,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:35:41,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:35:41,845 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:35:41,849 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 19:35:41,849 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 19:35:41,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:35:41,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:35:41,852 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:35:41,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 19:35:41,856 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:35:41,856 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 19:35:41,856 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:35:41,857 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 [] [2022-11-18 19:35:41,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 19:35:41,866 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 19:35:41,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:35:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:41,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:35:41,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:35:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:41,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:35:41,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:35:41,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:35:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:35:42,059 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 [2022-11-18 19:35:42,062 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-18 19:35:42,113 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 33 states and 41 transitions. Complement of second has 7 states. [2022-11-18 19:35:42,118 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 [2022-11-18 19:35:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-18 19:35:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-11-18 19:35:42,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-18 19:35:42,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:35:42,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-18 19:35:42,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:35:42,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-18 19:35:42,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:35:42,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2022-11-18 19:35:42,141 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:35:42,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2022-11-18 19:35:42,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 19:35:42,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 19:35:42,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 19:35:42,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:35:42,147 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:35:42,147 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:35:42,147 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:35:42,147 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 19:35:42,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:35:42,148 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:35:42,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 19:35:42,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 07:35:42 BoogieIcfgContainer [2022-11-18 19:35:42,159 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 19:35:42,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:35:42,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:35:42,161 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:35:42,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:35:40" (3/4) ... [2022-11-18 19:35:42,169 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:35:42,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:35:42,171 INFO L158 Benchmark]: Toolchain (without parser) took 2707.36ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 78.1MB in the beginning and 123.3MB in the end (delta: -45.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:35:42,172 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:35:42,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.32ms. Allocated memory is still 121.6MB. Free memory was 77.9MB in the beginning and 95.0MB in the end (delta: -17.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:35:42,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.85ms. Allocated memory is still 121.6MB. Free memory was 95.0MB in the beginning and 93.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:35:42,181 INFO L158 Benchmark]: Boogie Preprocessor took 19.12ms. Allocated memory is still 121.6MB. Free memory was 93.6MB in the beginning and 92.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:35:42,183 INFO L158 Benchmark]: RCFGBuilder took 382.01ms. Allocated memory is still 121.6MB. Free memory was 92.3MB in the beginning and 82.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:35:42,183 INFO L158 Benchmark]: BuchiAutomizer took 1881.48ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 82.8MB in the beginning and 123.3MB in the end (delta: -40.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:35:42,184 INFO L158 Benchmark]: Witness Printer took 8.68ms. Allocated memory is still 155.2MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:35:42,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.32ms. Allocated memory is still 121.6MB. Free memory was 77.9MB in the beginning and 95.0MB in the end (delta: -17.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.85ms. Allocated memory is still 121.6MB. Free memory was 95.0MB in the beginning and 93.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.12ms. Allocated memory is still 121.6MB. Free memory was 93.6MB in the beginning and 92.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.01ms. Allocated memory is still 121.6MB. Free memory was 92.3MB in the beginning and 82.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1881.48ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 82.8MB in the beginning and 123.3MB in the end (delta: -40.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.68ms. Allocated memory is still 155.2MB. Free memory is still 123.3MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + n and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 19:35:42,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b0b3-eb6f-401b-8bc3-16f501fefa95/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE