./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa --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 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:59:28,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:59:28,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:59:29,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:59:29,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:59:29,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:59:29,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:59:29,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:59:29,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:59:29,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:59:29,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:59:29,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:59:29,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:59:29,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:59:29,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:59:29,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:59:29,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:59:29,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:59:29,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:59:29,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:59:29,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:59:29,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:59:29,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:59:29,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:59:29,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:59:29,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:59:29,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:59:29,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:59:29,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:59:29,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:59:29,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:59:29,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:59:29,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:59:29,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:59:29,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:59:29,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:59:29,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:59:29,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:59:29,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:59:29,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:59:29,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:59:29,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 22:59:29,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:59:29,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:59:29,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:59:29,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:59:29,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:59:29,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:59:29,076 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:59:29,076 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 22:59:29,076 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 22:59:29,076 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 22:59:29,076 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 22:59:29,077 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 22:59:29,077 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 22:59:29,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:59:29,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:59:29,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:59:29,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:59:29,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:59:29,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:59:29,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 22:59:29,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 22:59:29,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 22:59:29,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:59:29,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:59:29,079 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 22:59:29,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:59:29,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 22:59:29,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:59:29,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:59:29,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:59:29,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:59:29,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:59:29,082 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 22:59:29,082 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_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 [2021-12-06 22:59:29,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:59:29,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:59:29,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:59:29,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:59:29,288 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:59:29,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/bitvector/byte_add-1.i [2021-12-06 22:59:29,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/data/cb051600e/5cae36b1a0674c768b6f499431ccdb0b/FLAG3c0c169b6 [2021-12-06 22:59:29,626 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:59:29,626 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/sv-benchmarks/c/bitvector/byte_add-1.i [2021-12-06 22:59:29,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/data/cb051600e/5cae36b1a0674c768b6f499431ccdb0b/FLAG3c0c169b6 [2021-12-06 22:59:30,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/data/cb051600e/5cae36b1a0674c768b6f499431ccdb0b [2021-12-06 22:59:30,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:59:30,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:59:30,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:59:30,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:59:30,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:59:30,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64446e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30, skipping insertion in model container [2021-12-06 22:59:30,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:59:30,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:59:30,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2021-12-06 22:59:30,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:59:30,213 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:59:30,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2021-12-06 22:59:30,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:59:30,247 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:59:30,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30 WrapperNode [2021-12-06 22:59:30,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:59:30,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:59:30,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:59:30,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:59:30,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,277 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 124 [2021-12-06 22:59:30,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:59:30,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:59:30,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:59:30,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:59:30,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:59:30,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:59:30,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:59:30,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:59:30,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (1/1) ... [2021-12-06 22:59:30,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:30,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:30,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:30,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 22:59:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:59:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:59:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:59:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:59:30,403 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:59:30,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:59:30,547 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:59:30,554 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:59:30,554 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 22:59:30,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:59:30 BoogieIcfgContainer [2021-12-06 22:59:30,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:59:30,557 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 22:59:30,557 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 22:59:30,560 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 22:59:30,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:59:30,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 10:59:30" (1/3) ... [2021-12-06 22:59:30,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66146926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:59:30, skipping insertion in model container [2021-12-06 22:59:30,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:59:30,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:59:30" (2/3) ... [2021-12-06 22:59:30,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66146926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:59:30, skipping insertion in model container [2021-12-06 22:59:30,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:59:30,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:59:30" (3/3) ... [2021-12-06 22:59:30,564 INFO L388 chiAutomizerObserver]: Analyzing ICFG byte_add-1.i [2021-12-06 22:59:30,604 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 22:59:30,604 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 22:59:30,604 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 22:59:30,604 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 22:59:30,604 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 22:59:30,604 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 22:59:30,604 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 22:59:30,604 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 22:59:30,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 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) [2021-12-06 22:59:30,628 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-12-06 22:59:30,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:30,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:30,633 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:59:30,634 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:30,634 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 22:59:30,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 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) [2021-12-06 22:59:30,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-12-06 22:59:30,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:30,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:30,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:59:30,642 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:30,649 INFO L791 eck$LassoCheckResult]: Stem: 22#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(13, 2); 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 5#L59true assume !(0 == mp_add_~a3~0#1 % 256); 17#L59-1true mp_add_~nb~0#1 := 4; 19#L69true assume !(0 == mp_add_~b3~0#1 % 256); 36#L69-1true mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 24#L80-2true [2021-12-06 22:59:30,650 INFO L793 eck$LassoCheckResult]: Loop: 24#L80-2true assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 33#L83true assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 42#L83-1true assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 8#L89true assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 40#L95-1true assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 18#L99-1true assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 12#L100-1true assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 28#L101-1true assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 31#L102-1true mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 24#L80-2true [2021-12-06 22:59:30,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:30,656 INFO L85 PathProgramCache]: Analyzing trace with hash 889938151, now seen corresponding path program 1 times [2021-12-06 22:59:30,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:30,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796908056] [2021-12-06 22:59:30,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:30,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:30,756 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:30,790 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:30,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:30,793 INFO L85 PathProgramCache]: Analyzing trace with hash 318197182, now seen corresponding path program 1 times [2021-12-06 22:59:30,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:30,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807778890] [2021-12-06 22:59:30,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:30,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:30,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:30,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807778890] [2021-12-06 22:59:30,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807778890] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:30,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:30,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:59:30,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654136019] [2021-12-06 22:59:30,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:30,852 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:30,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:30,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:59:30,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:59:30,880 INFO L87 Difference]: Start difference. First operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-12-06 22:59:30,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:30,984 INFO L93 Difference]: Finished difference Result 64 states and 94 transitions. [2021-12-06 22:59:30,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:59:30,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 94 transitions. [2021-12-06 22:59:30,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-12-06 22:59:30,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 56 states and 86 transitions. [2021-12-06 22:59:30,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-12-06 22:59:30,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2021-12-06 22:59:30,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 86 transitions. [2021-12-06 22:59:30,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:30,999 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 86 transitions. [2021-12-06 22:59:31,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 86 transitions. [2021-12-06 22:59:31,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2021-12-06 22:59:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 53 states have internal predecessors, (84), 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) [2021-12-06 22:59:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 84 transitions. [2021-12-06 22:59:31,021 INFO L704 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-12-06 22:59:31,022 INFO L587 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-12-06 22:59:31,022 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 22:59:31,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 84 transitions. [2021-12-06 22:59:31,023 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-12-06 22:59:31,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:31,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:31,024 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,024 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,025 INFO L791 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRY 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(13, 2); 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 114#L59 assume !(0 == mp_add_~a3~0#1 % 256); 115#L59-1 mp_add_~nb~0#1 := 4; 132#L69 assume !(0 == mp_add_~b3~0#1 % 256); 123#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 138#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 139#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 129#L83-1 [2021-12-06 22:59:31,025 INFO L793 eck$LassoCheckResult]: Loop: 129#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 118#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 119#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 133#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 125#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 126#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 144#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 147#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 159#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 160#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 135#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 141#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 128#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 129#L83-1 [2021-12-06 22:59:31,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,025 INFO L85 PathProgramCache]: Analyzing trace with hash 532072804, now seen corresponding path program 1 times [2021-12-06 22:59:31,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643409335] [2021-12-06 22:59:31,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:31,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:31,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643409335] [2021-12-06 22:59:31,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643409335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:31,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:31,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:59:31,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600463343] [2021-12-06 22:59:31,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:31,144 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:31,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 1 times [2021-12-06 22:59:31,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691706365] [2021-12-06 22:59:31,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:31,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:31,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691706365] [2021-12-06 22:59:31,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691706365] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:31,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:31,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:59:31,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033294235] [2021-12-06 22:59:31,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:31,196 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:31,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:31,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:59:31,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:59:31,197 INFO L87 Difference]: Start difference. First operand 54 states and 84 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2021-12-06 22:59:31,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:31,363 INFO L93 Difference]: Finished difference Result 120 states and 177 transitions. [2021-12-06 22:59:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:59:31,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 177 transitions. [2021-12-06 22:59:31,369 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 78 [2021-12-06 22:59:31,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 177 transitions. [2021-12-06 22:59:31,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-12-06 22:59:31,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-12-06 22:59:31,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 177 transitions. [2021-12-06 22:59:31,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:31,373 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 177 transitions. [2021-12-06 22:59:31,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 177 transitions. [2021-12-06 22:59:31,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 61. [2021-12-06 22:59:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.540983606557377) internal successors, (94), 60 states have internal predecessors, (94), 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) [2021-12-06 22:59:31,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 94 transitions. [2021-12-06 22:59:31,381 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 94 transitions. [2021-12-06 22:59:31,381 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 94 transitions. [2021-12-06 22:59:31,381 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 22:59:31,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 94 transitions. [2021-12-06 22:59:31,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-12-06 22:59:31,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:31,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:31,384 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,384 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,384 INFO L791 eck$LassoCheckResult]: Stem: 324#ULTIMATE.startENTRY 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(13, 2); 314#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 304#L59 assume !(0 == mp_add_~a3~0#1 % 256); 305#L59-1 mp_add_~nb~0#1 := 4; 319#L69 assume !(0 == mp_add_~b3~0#1 % 256); 312#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 326#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 327#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 321#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 322#L84-2 [2021-12-06 22:59:31,384 INFO L793 eck$LassoCheckResult]: Loop: 322#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 325#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 315#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 316#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 302#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 303#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 320#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 309#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 310#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 331#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 334#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 341#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 357#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 322#L84-2 [2021-12-06 22:59:31,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,385 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 1 times [2021-12-06 22:59:31,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505333789] [2021-12-06 22:59:31,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:31,414 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:31,441 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,441 INFO L85 PathProgramCache]: Analyzing trace with hash 119486142, now seen corresponding path program 2 times [2021-12-06 22:59:31,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951446472] [2021-12-06 22:59:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:31,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:31,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951446472] [2021-12-06 22:59:31,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951446472] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:31,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:31,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:59:31,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536629721] [2021-12-06 22:59:31,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:31,499 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:31,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:31,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:59:31,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:59:31,500 INFO L87 Difference]: Start difference. First operand 61 states and 94 transitions. cyclomatic complexity: 35 Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:59:31,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:31,616 INFO L93 Difference]: Finished difference Result 86 states and 135 transitions. [2021-12-06 22:59:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:59:31,617 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 135 transitions. [2021-12-06 22:59:31,618 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2021-12-06 22:59:31,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 86 states and 135 transitions. [2021-12-06 22:59:31,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2021-12-06 22:59:31,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2021-12-06 22:59:31,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 135 transitions. [2021-12-06 22:59:31,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:31,621 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 135 transitions. [2021-12-06 22:59:31,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 135 transitions. [2021-12-06 22:59:31,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2021-12-06 22:59:31,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.5512820512820513) internal successors, (121), 77 states have internal predecessors, (121), 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) [2021-12-06 22:59:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2021-12-06 22:59:31,628 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 121 transitions. [2021-12-06 22:59:31,628 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 121 transitions. [2021-12-06 22:59:31,628 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 22:59:31,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 121 transitions. [2021-12-06 22:59:31,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-12-06 22:59:31,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:31,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:31,631 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,631 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,631 INFO L791 eck$LassoCheckResult]: Stem: 479#ULTIMATE.startENTRY 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(13, 2); 468#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 458#L59 assume !(0 == mp_add_~a3~0#1 % 256); 459#L59-1 mp_add_~nb~0#1 := 4; 524#L69 assume !(0 == mp_add_~b3~0#1 % 256); 493#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 480#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 481#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 492#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 529#L84-2 [2021-12-06 22:59:31,631 INFO L793 eck$LassoCheckResult]: Loop: 529#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 527#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 512#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 510#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 454#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 455#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 520#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 463#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 464#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 485#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 525#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 521#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 470#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 496#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 494#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 474#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 475#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 497#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 488#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 489#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 517#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 518#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 529#L84-2 [2021-12-06 22:59:31,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,632 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 2 times [2021-12-06 22:59:31,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990909541] [2021-12-06 22:59:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:31,650 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:31,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:31,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,671 INFO L85 PathProgramCache]: Analyzing trace with hash 522403369, now seen corresponding path program 1 times [2021-12-06 22:59:31,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755009870] [2021-12-06 22:59:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:31,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:59:31,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:31,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755009870] [2021-12-06 22:59:31,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755009870] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:31,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:31,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:59:31,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804675026] [2021-12-06 22:59:31,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:31,697 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:31,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:31,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:59:31,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:59:31,698 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. cyclomatic complexity: 45 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-12-06 22:59:31,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:31,755 INFO L93 Difference]: Finished difference Result 103 states and 155 transitions. [2021-12-06 22:59:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:59:31,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 155 transitions. [2021-12-06 22:59:31,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2021-12-06 22:59:31,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 103 states and 155 transitions. [2021-12-06 22:59:31,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 103 [2021-12-06 22:59:31,759 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 103 [2021-12-06 22:59:31,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 155 transitions. [2021-12-06 22:59:31,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:31,760 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 155 transitions. [2021-12-06 22:59:31,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 155 transitions. [2021-12-06 22:59:31,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2021-12-06 22:59:31,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 100 states have internal predecessors, (153), 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) [2021-12-06 22:59:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 153 transitions. [2021-12-06 22:59:31,766 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 153 transitions. [2021-12-06 22:59:31,766 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 153 transitions. [2021-12-06 22:59:31,766 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 22:59:31,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 153 transitions. [2021-12-06 22:59:31,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2021-12-06 22:59:31,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:31,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:31,769 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,769 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,769 INFO L791 eck$LassoCheckResult]: Stem: 665#ULTIMATE.startENTRY 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(13, 2); 655#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 641#L59 assume !(0 == mp_add_~a3~0#1 % 256); 642#L59-1 mp_add_~nb~0#1 := 4; 660#L69 assume !(0 == mp_add_~b3~0#1 % 256); 679#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 667#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 668#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 663#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 664#L84-2 [2021-12-06 22:59:31,769 INFO L793 eck$LassoCheckResult]: Loop: 664#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 680#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 740#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 682#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 646#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 647#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 699#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 698#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 697#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 693#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 690#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 691#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 719#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 717#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 704#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 703#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 653#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 654#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 672#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 675#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 715#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 716#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 664#L84-2 [2021-12-06 22:59:31,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,769 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 3 times [2021-12-06 22:59:31,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885872151] [2021-12-06 22:59:31,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:31,784 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:31,801 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:31,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,802 INFO L85 PathProgramCache]: Analyzing trace with hash 581508713, now seen corresponding path program 1 times [2021-12-06 22:59:31,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316944514] [2021-12-06 22:59:31,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:31,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:31,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:31,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316944514] [2021-12-06 22:59:31,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316944514] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:31,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:31,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:59:31,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217005131] [2021-12-06 22:59:31,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:31,845 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:31,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:31,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:59:31,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:59:31,846 INFO L87 Difference]: Start difference. First operand 101 states and 153 transitions. cyclomatic complexity: 54 Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-12-06 22:59:31,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:31,889 INFO L93 Difference]: Finished difference Result 169 states and 255 transitions. [2021-12-06 22:59:31,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:59:31,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 255 transitions. [2021-12-06 22:59:31,891 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 147 [2021-12-06 22:59:31,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 255 transitions. [2021-12-06 22:59:31,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2021-12-06 22:59:31,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2021-12-06 22:59:31,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 255 transitions. [2021-12-06 22:59:31,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:31,894 INFO L681 BuchiCegarLoop]: Abstraction has 169 states and 255 transitions. [2021-12-06 22:59:31,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 255 transitions. [2021-12-06 22:59:31,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 141. [2021-12-06 22:59:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.5390070921985815) internal successors, (217), 140 states have internal predecessors, (217), 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) [2021-12-06 22:59:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 217 transitions. [2021-12-06 22:59:31,901 INFO L704 BuchiCegarLoop]: Abstraction has 141 states and 217 transitions. [2021-12-06 22:59:31,901 INFO L587 BuchiCegarLoop]: Abstraction has 141 states and 217 transitions. [2021-12-06 22:59:31,901 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 22:59:31,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 217 transitions. [2021-12-06 22:59:31,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2021-12-06 22:59:31,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:31,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:31,902 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,902 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:31,903 INFO L791 eck$LassoCheckResult]: Stem: 947#ULTIMATE.startENTRY 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(13, 2); 935#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 925#L59 assume !(0 == mp_add_~a3~0#1 % 256); 926#L59-1 mp_add_~nb~0#1 := 4; 940#L69 assume !(0 == mp_add_~b3~0#1 % 256); 965#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 949#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 950#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 960#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 963#L84-2 [2021-12-06 22:59:31,903 INFO L793 eck$LassoCheckResult]: Loop: 963#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 964#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 1026#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 1011#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 1002#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 997#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 992#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 989#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 986#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 984#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 980#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 981#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 1030#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 923#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 1041#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 1039#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 930#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 931#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 954#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 957#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1050#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 1051#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 963#L84-2 [2021-12-06 22:59:31,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,903 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 4 times [2021-12-06 22:59:31,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369280254] [2021-12-06 22:59:31,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:31,913 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:31,925 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:31,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1412635993, now seen corresponding path program 1 times [2021-12-06 22:59:31,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:31,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509353802] [2021-12-06 22:59:31,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:31,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:31,975 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:31,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:31,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509353802] [2021-12-06 22:59:31,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509353802] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:31,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:31,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:59:31,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258287388] [2021-12-06 22:59:31,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:31,977 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:31,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:31,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:59:31,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:59:31,978 INFO L87 Difference]: Start difference. First operand 141 states and 217 transitions. cyclomatic complexity: 78 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-12-06 22:59:32,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:32,157 INFO L93 Difference]: Finished difference Result 302 states and 450 transitions. [2021-12-06 22:59:32,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:59:32,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 450 transitions. [2021-12-06 22:59:32,160 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 255 [2021-12-06 22:59:32,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 302 states and 450 transitions. [2021-12-06 22:59:32,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2021-12-06 22:59:32,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2021-12-06 22:59:32,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 450 transitions. [2021-12-06 22:59:32,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:32,163 INFO L681 BuchiCegarLoop]: Abstraction has 302 states and 450 transitions. [2021-12-06 22:59:32,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 450 transitions. [2021-12-06 22:59:32,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 225. [2021-12-06 22:59:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.5155555555555555) internal successors, (341), 224 states have internal predecessors, (341), 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) [2021-12-06 22:59:32,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 341 transitions. [2021-12-06 22:59:32,172 INFO L704 BuchiCegarLoop]: Abstraction has 225 states and 341 transitions. [2021-12-06 22:59:32,172 INFO L587 BuchiCegarLoop]: Abstraction has 225 states and 341 transitions. [2021-12-06 22:59:32,172 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 22:59:32,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 341 transitions. [2021-12-06 22:59:32,173 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 198 [2021-12-06 22:59:32,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:32,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:32,174 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:32,174 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:32,175 INFO L791 eck$LassoCheckResult]: Stem: 1398#ULTIMATE.startENTRY 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(13, 2); 1388#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 1372#L59 assume !(0 == mp_add_~a3~0#1 % 256); 1373#L59-1 mp_add_~nb~0#1 := 4; 1393#L69 assume !(0 == mp_add_~b3~0#1 % 256); 1411#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 1412#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1418#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 1419#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 1413#L84-2 [2021-12-06 22:59:32,175 INFO L793 eck$LassoCheckResult]: Loop: 1413#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 1402#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 1389#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 1390#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 1541#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 1540#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 1483#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 1484#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 1539#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 1479#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 1478#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1475#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 1477#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 1377#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 1378#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 1473#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 1449#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 1445#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 1433#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 1430#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1431#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 1508#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 1413#L84-2 [2021-12-06 22:59:32,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:32,175 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 5 times [2021-12-06 22:59:32,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:32,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061154530] [2021-12-06 22:59:32,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:32,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:32,184 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:32,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:32,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:32,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1317498195, now seen corresponding path program 1 times [2021-12-06 22:59:32,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:32,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400709592] [2021-12-06 22:59:32,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:32,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 22:59:32,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:32,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400709592] [2021-12-06 22:59:32,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400709592] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:32,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:32,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:59:32,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121230454] [2021-12-06 22:59:32,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:32,211 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:32,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:32,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:59:32,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:59:32,211 INFO L87 Difference]: Start difference. First operand 225 states and 341 transitions. cyclomatic complexity: 119 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-12-06 22:59:32,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:32,268 INFO L93 Difference]: Finished difference Result 263 states and 400 transitions. [2021-12-06 22:59:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:59:32,269 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 400 transitions. [2021-12-06 22:59:32,271 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236 [2021-12-06 22:59:32,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 263 states and 400 transitions. [2021-12-06 22:59:32,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2021-12-06 22:59:32,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2021-12-06 22:59:32,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 400 transitions. [2021-12-06 22:59:32,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:32,275 INFO L681 BuchiCegarLoop]: Abstraction has 263 states and 400 transitions. [2021-12-06 22:59:32,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 400 transitions. [2021-12-06 22:59:32,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 257. [2021-12-06 22:59:32,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 257 states have (on average 1.5330739299610896) internal successors, (394), 256 states have internal predecessors, (394), 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) [2021-12-06 22:59:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 394 transitions. [2021-12-06 22:59:32,286 INFO L704 BuchiCegarLoop]: Abstraction has 257 states and 394 transitions. [2021-12-06 22:59:32,286 INFO L587 BuchiCegarLoop]: Abstraction has 257 states and 394 transitions. [2021-12-06 22:59:32,286 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 22:59:32,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 257 states and 394 transitions. [2021-12-06 22:59:32,288 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 230 [2021-12-06 22:59:32,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:32,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:32,289 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:32,289 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:32,290 INFO L791 eck$LassoCheckResult]: Stem: 1893#ULTIMATE.startENTRY 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(13, 2); 1883#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 1866#L59 assume !(0 == mp_add_~a3~0#1 % 256); 1867#L59-1 mp_add_~nb~0#1 := 4; 1888#L69 assume !(0 == mp_add_~b3~0#1 % 256); 1912#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 1896#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1897#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 1891#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 1892#L84-2 [2021-12-06 22:59:32,290 INFO L793 eck$LassoCheckResult]: Loop: 1892#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 1898#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 1899#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 2083#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 1871#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 1872#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 2078#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 2077#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 2076#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 2075#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 2074#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 2070#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 2072#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 2047#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 1959#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 1944#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 1943#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 1941#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 1938#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 1936#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1937#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 2104#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 1892#L84-2 [2021-12-06 22:59:32,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:32,290 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 6 times [2021-12-06 22:59:32,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:32,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596179110] [2021-12-06 22:59:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:32,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:32,300 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:32,310 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:32,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:32,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1260239893, now seen corresponding path program 1 times [2021-12-06 22:59:32,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:32,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721206701] [2021-12-06 22:59:32,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:32,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:32,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:32,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721206701] [2021-12-06 22:59:32,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721206701] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:32,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80692020] [2021-12-06 22:59:32,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:32,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:32,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:32,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:32,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:59:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:32,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:59:32,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:32,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:32,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80692020] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:32,639 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:59:32,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2021-12-06 22:59:32,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726477983] [2021-12-06 22:59:32,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:32,640 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:32,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:32,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:59:32,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:59:32,641 INFO L87 Difference]: Start difference. First operand 257 states and 394 transitions. cyclomatic complexity: 140 Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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) [2021-12-06 22:59:32,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:32,932 INFO L93 Difference]: Finished difference Result 411 states and 582 transitions. [2021-12-06 22:59:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:59:32,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 411 states and 582 transitions. [2021-12-06 22:59:32,937 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 335 [2021-12-06 22:59:32,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 411 states to 411 states and 582 transitions. [2021-12-06 22:59:32,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 411 [2021-12-06 22:59:32,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 411 [2021-12-06 22:59:32,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 411 states and 582 transitions. [2021-12-06 22:59:32,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:32,943 INFO L681 BuchiCegarLoop]: Abstraction has 411 states and 582 transitions. [2021-12-06 22:59:32,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states and 582 transitions. [2021-12-06 22:59:32,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 290. [2021-12-06 22:59:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 290 states have (on average 1.4896551724137932) internal successors, (432), 289 states have internal predecessors, (432), 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) [2021-12-06 22:59:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 432 transitions. [2021-12-06 22:59:32,952 INFO L704 BuchiCegarLoop]: Abstraction has 290 states and 432 transitions. [2021-12-06 22:59:32,952 INFO L587 BuchiCegarLoop]: Abstraction has 290 states and 432 transitions. [2021-12-06 22:59:32,952 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 22:59:32,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 290 states and 432 transitions. [2021-12-06 22:59:32,954 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 254 [2021-12-06 22:59:32,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:32,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:32,955 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:32,955 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:32,955 INFO L791 eck$LassoCheckResult]: Stem: 2702#ULTIMATE.startENTRY 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(13, 2); 2692#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 2677#L59 assume !(0 == mp_add_~a3~0#1 % 256); 2678#L59-1 mp_add_~nb~0#1 := 4; 2697#L69 assume !(0 == mp_add_~b3~0#1 % 256); 2688#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 2737#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 2735#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 2700#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 2701#L84-2 [2021-12-06 22:59:32,955 INFO L793 eck$LassoCheckResult]: Loop: 2701#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 2719#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 2865#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 2862#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 2860#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 2769#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 2768#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 2766#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 2740#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 2741#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 2736#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 2734#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 2731#L84 assume !(0 == mp_add_~i~0#1 % 256); 2727#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 2728#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 2873#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 2870#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 2867#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 2866#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 2853#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 2827#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 2773#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 2772#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 2749#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 2750#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 2799#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 2701#L84-2 [2021-12-06 22:59:32,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:32,956 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 7 times [2021-12-06 22:59:32,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:32,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734399375] [2021-12-06 22:59:32,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:32,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:32,967 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:32,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:32,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:32,979 INFO L85 PathProgramCache]: Analyzing trace with hash -925244773, now seen corresponding path program 1 times [2021-12-06 22:59:32,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:32,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729887352] [2021-12-06 22:59:32,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:32,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:59:33,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:33,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729887352] [2021-12-06 22:59:33,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729887352] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:33,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:33,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:59:33,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912778412] [2021-12-06 22:59:33,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:33,020 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:33,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:33,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:59:33,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:59:33,021 INFO L87 Difference]: Start difference. First operand 290 states and 432 transitions. cyclomatic complexity: 145 Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-12-06 22:59:33,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:33,142 INFO L93 Difference]: Finished difference Result 436 states and 627 transitions. [2021-12-06 22:59:33,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:59:33,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 436 states and 627 transitions. [2021-12-06 22:59:33,145 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 394 [2021-12-06 22:59:33,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 436 states to 436 states and 627 transitions. [2021-12-06 22:59:33,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 436 [2021-12-06 22:59:33,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 436 [2021-12-06 22:59:33,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 436 states and 627 transitions. [2021-12-06 22:59:33,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:33,149 INFO L681 BuchiCegarLoop]: Abstraction has 436 states and 627 transitions. [2021-12-06 22:59:33,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states and 627 transitions. [2021-12-06 22:59:33,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 328. [2021-12-06 22:59:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 328 states have (on average 1.4939024390243902) internal successors, (490), 327 states have internal predecessors, (490), 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) [2021-12-06 22:59:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 490 transitions. [2021-12-06 22:59:33,156 INFO L704 BuchiCegarLoop]: Abstraction has 328 states and 490 transitions. [2021-12-06 22:59:33,156 INFO L587 BuchiCegarLoop]: Abstraction has 328 states and 490 transitions. [2021-12-06 22:59:33,156 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 22:59:33,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 328 states and 490 transitions. [2021-12-06 22:59:33,158 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 304 [2021-12-06 22:59:33,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:33,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:33,159 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:33,159 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:33,160 INFO L791 eck$LassoCheckResult]: Stem: 3441#ULTIMATE.startENTRY 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(13, 2); 3428#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 3418#L59 assume !(0 == mp_add_~a3~0#1 % 256); 3419#L59-1 mp_add_~nb~0#1 := 4; 3433#L69 assume !(0 == mp_add_~b3~0#1 % 256); 3462#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 3463#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 3474#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 3468#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 3461#L84-2 [2021-12-06 22:59:33,160 INFO L793 eck$LassoCheckResult]: Loop: 3461#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 3445#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 3429#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 3430#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 3710#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 3715#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 3592#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 3499#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 3488#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 3489#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 3723#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 3646#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 3458#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 3413#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 3414#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 3465#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 3497#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 3498#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 3691#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 3689#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 3660#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 3641#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 3659#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 3606#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 3578#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 3569#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 3492#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 3493#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 3543#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 3544#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 3539#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 3461#L84-2 [2021-12-06 22:59:33,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:33,160 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 8 times [2021-12-06 22:59:33,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:33,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823954585] [2021-12-06 22:59:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:33,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:33,171 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:33,183 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:33,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:33,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2071006882, now seen corresponding path program 1 times [2021-12-06 22:59:33,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:33,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562313673] [2021-12-06 22:59:33,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:33,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:33,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:33,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562313673] [2021-12-06 22:59:33,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562313673] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:33,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853704267] [2021-12-06 22:59:33,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:33,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:33,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:33,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:33,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:59:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:33,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:59:33,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 22:59:33,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:33,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853704267] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:33,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:59:33,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 22:59:33,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798018620] [2021-12-06 22:59:33,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:33,332 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:33,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:33,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:59:33,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:59:33,333 INFO L87 Difference]: Start difference. First operand 328 states and 490 transitions. cyclomatic complexity: 164 Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-12-06 22:59:33,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:33,473 INFO L93 Difference]: Finished difference Result 341 states and 457 transitions. [2021-12-06 22:59:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:59:33,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 341 states and 457 transitions. [2021-12-06 22:59:33,477 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 317 [2021-12-06 22:59:33,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 341 states to 341 states and 457 transitions. [2021-12-06 22:59:33,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 341 [2021-12-06 22:59:33,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 341 [2021-12-06 22:59:33,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 341 states and 457 transitions. [2021-12-06 22:59:33,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:33,481 INFO L681 BuchiCegarLoop]: Abstraction has 341 states and 457 transitions. [2021-12-06 22:59:33,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states and 457 transitions. [2021-12-06 22:59:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 294. [2021-12-06 22:59:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 294 states have (on average 1.370748299319728) internal successors, (403), 293 states have internal predecessors, (403), 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) [2021-12-06 22:59:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 403 transitions. [2021-12-06 22:59:33,488 INFO L704 BuchiCegarLoop]: Abstraction has 294 states and 403 transitions. [2021-12-06 22:59:33,488 INFO L587 BuchiCegarLoop]: Abstraction has 294 states and 403 transitions. [2021-12-06 22:59:33,488 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 22:59:33,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 403 transitions. [2021-12-06 22:59:33,489 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 270 [2021-12-06 22:59:33,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:33,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:33,490 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:33,491 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:33,491 INFO L791 eck$LassoCheckResult]: Stem: 4208#ULTIMATE.startENTRY 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(13, 2); 4198#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 4188#L59 assume !(0 == mp_add_~a3~0#1 % 256); 4189#L59-1 mp_add_~nb~0#1 := 4; 4205#L69 assume !(0 == mp_add_~b3~0#1 % 256); 4196#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 4225#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 4406#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 4405#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 4327#L84-2 [2021-12-06 22:59:33,491 INFO L793 eck$LassoCheckResult]: Loop: 4327#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 4404#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 4402#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 4400#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 4396#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 4395#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 4377#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 4394#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 4393#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 4392#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 4391#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 4389#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 4387#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 4340#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 4384#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 4374#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 4371#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 4370#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 4369#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 4368#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 4301#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 4302#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 4291#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 4289#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 4285#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 4283#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 4281#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 4252#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 4247#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 4248#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 4326#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 4327#L84-2 [2021-12-06 22:59:33,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:33,491 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 9 times [2021-12-06 22:59:33,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:33,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997692831] [2021-12-06 22:59:33,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:33,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:33,501 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:33,512 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:33,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:33,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1750670628, now seen corresponding path program 2 times [2021-12-06 22:59:33,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:33,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953128397] [2021-12-06 22:59:33,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:33,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:59:33,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:33,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953128397] [2021-12-06 22:59:33,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953128397] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:33,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456251638] [2021-12-06 22:59:33,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:59:33,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:33,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:33,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:33,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 22:59:33,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:59:33,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:59:33,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:59:33,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:59:33,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:59:33,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456251638] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:33,766 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:59:33,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2021-12-06 22:59:33,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978791601] [2021-12-06 22:59:33,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:33,767 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:33,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:33,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 22:59:33,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:59:33,768 INFO L87 Difference]: Start difference. First operand 294 states and 403 transitions. cyclomatic complexity: 111 Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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) [2021-12-06 22:59:34,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:34,194 INFO L93 Difference]: Finished difference Result 494 states and 631 transitions. [2021-12-06 22:59:34,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 22:59:34,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 494 states and 631 transitions. [2021-12-06 22:59:34,197 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 420 [2021-12-06 22:59:34,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 494 states to 494 states and 631 transitions. [2021-12-06 22:59:34,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-12-06 22:59:34,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 494 [2021-12-06 22:59:34,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 494 states and 631 transitions. [2021-12-06 22:59:34,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:34,201 INFO L681 BuchiCegarLoop]: Abstraction has 494 states and 631 transitions. [2021-12-06 22:59:34,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states and 631 transitions. [2021-12-06 22:59:34,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 377. [2021-12-06 22:59:34,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 377 states have (on average 1.3342175066312998) internal successors, (503), 376 states have internal predecessors, (503), 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) [2021-12-06 22:59:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 503 transitions. [2021-12-06 22:59:34,207 INFO L704 BuchiCegarLoop]: Abstraction has 377 states and 503 transitions. [2021-12-06 22:59:34,207 INFO L587 BuchiCegarLoop]: Abstraction has 377 states and 503 transitions. [2021-12-06 22:59:34,207 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-06 22:59:34,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 377 states and 503 transitions. [2021-12-06 22:59:34,209 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 344 [2021-12-06 22:59:34,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:34,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:34,210 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:34,210 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 7, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:34,210 INFO L791 eck$LassoCheckResult]: Stem: 5205#ULTIMATE.startENTRY 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(13, 2); 5194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 5184#L59 assume !(0 == mp_add_~a3~0#1 % 256); 5185#L59-1 mp_add_~nb~0#1 := 4; 5199#L69 assume !(0 == mp_add_~b3~0#1 % 256); 5221#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 5222#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5510#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 5202#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 5203#L84-2 [2021-12-06 22:59:34,210 INFO L793 eck$LassoCheckResult]: Loop: 5203#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 5208#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 5195#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 5196#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5536#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 5537#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 5538#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5535#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5532#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5486#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5487#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5512#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5226#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5183#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 5542#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5489#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 5260#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5474#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5451#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5450#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5448#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5443#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5407#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 5405#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5403#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5401#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 5399#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5397#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5393#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5394#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5383#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5382#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 5377#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5376#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5375#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5374#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 5373#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5372#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5370#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5368#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5366#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 5365#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5334#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5335#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5329#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5327#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5325#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5321#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5323#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5380#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 5279#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5458#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5452#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5268#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5267#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5265#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5266#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5248#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5250#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 5409#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5410#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5347#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5348#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5255#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5254#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5251#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 5252#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 5203#L84-2 [2021-12-06 22:59:34,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:34,210 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 10 times [2021-12-06 22:59:34,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:34,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085661662] [2021-12-06 22:59:34,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:34,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:34,219 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:34,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:34,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:34,229 INFO L85 PathProgramCache]: Analyzing trace with hash 896633444, now seen corresponding path program 1 times [2021-12-06 22:59:34,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:34,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765737013] [2021-12-06 22:59:34,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:34,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-12-06 22:59:34,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:34,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765737013] [2021-12-06 22:59:34,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765737013] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:34,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088666312] [2021-12-06 22:59:34,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:34,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:34,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:34,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:34,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 22:59:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:34,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 22:59:34,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-06 22:59:34,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-06 22:59:34,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088666312] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:34,499 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:59:34,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-12-06 22:59:34,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29374845] [2021-12-06 22:59:34,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:34,499 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:34,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:34,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 22:59:34,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:59:34,500 INFO L87 Difference]: Start difference. First operand 377 states and 503 transitions. cyclomatic complexity: 128 Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 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) [2021-12-06 22:59:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:34,798 INFO L93 Difference]: Finished difference Result 549 states and 658 transitions. [2021-12-06 22:59:34,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 22:59:34,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 549 states and 658 transitions. [2021-12-06 22:59:34,802 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 450 [2021-12-06 22:59:34,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 549 states to 549 states and 658 transitions. [2021-12-06 22:59:34,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 549 [2021-12-06 22:59:34,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 549 [2021-12-06 22:59:34,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 549 states and 658 transitions. [2021-12-06 22:59:34,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:34,808 INFO L681 BuchiCegarLoop]: Abstraction has 549 states and 658 transitions. [2021-12-06 22:59:34,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states and 658 transitions. [2021-12-06 22:59:34,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 219. [2021-12-06 22:59:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 219 states have (on average 1.2328767123287672) internal successors, (270), 218 states have internal predecessors, (270), 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) [2021-12-06 22:59:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 270 transitions. [2021-12-06 22:59:34,815 INFO L704 BuchiCegarLoop]: Abstraction has 219 states and 270 transitions. [2021-12-06 22:59:34,815 INFO L587 BuchiCegarLoop]: Abstraction has 219 states and 270 transitions. [2021-12-06 22:59:34,815 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-06 22:59:34,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 219 states and 270 transitions. [2021-12-06 22:59:34,816 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 140 [2021-12-06 22:59:34,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:34,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:34,817 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:34,817 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2021-12-06 22:59:34,817 INFO L791 eck$LassoCheckResult]: Stem: 6568#ULTIMATE.startENTRY 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(13, 2); 6555#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 6545#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 6547#L61 assume !(0 == mp_add_~a2~0#1 % 256); 6548#L59-1 mp_add_~nb~0#1 := 4; 6563#L69 assume !(0 == mp_add_~b3~0#1 % 256); 6553#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 6618#L80-2 assume !((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536); 6617#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6616#L108 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := 0; 6615#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 6614#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 6613#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 6610#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6609#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6582#L108 assume !(0 == mp_add_~i~0#1 % 256); 6583#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 6575#L109-1 [2021-12-06 22:59:34,818 INFO L793 eck$LassoCheckResult]: Loop: 6575#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 6576#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 6558#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6559#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6606#L108 assume !(0 == mp_add_~i~0#1 % 256); 6607#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 6601#L109-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := 0; 6600#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 6596#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6595#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6594#L108 assume !(0 == mp_add_~i~0#1 % 256); 6593#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 6592#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 6591#L110-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := 0; 6567#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6573#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6574#L108 assume !(0 == mp_add_~i~0#1 % 256); 6603#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 6575#L109-1 [2021-12-06 22:59:34,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:34,818 INFO L85 PathProgramCache]: Analyzing trace with hash -850823382, now seen corresponding path program 1 times [2021-12-06 22:59:34,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:34,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25874095] [2021-12-06 22:59:34,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:34,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:59:34,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:34,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25874095] [2021-12-06 22:59:34,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25874095] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:34,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:34,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:59:34,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854236970] [2021-12-06 22:59:34,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:34,861 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:34,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:34,861 INFO L85 PathProgramCache]: Analyzing trace with hash -830477736, now seen corresponding path program 1 times [2021-12-06 22:59:34,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:34,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739172141] [2021-12-06 22:59:34,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:34,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:59:34,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:34,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739172141] [2021-12-06 22:59:34,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739172141] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:34,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663376327] [2021-12-06 22:59:34,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:34,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:34,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:34,892 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:34,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 22:59:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:34,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:59:34,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 22:59:34,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:34,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663376327] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:34,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:59:34,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 22:59:34,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850461474] [2021-12-06 22:59:34,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:34,954 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:34,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:34,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:59:34,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:59:34,955 INFO L87 Difference]: Start difference. First operand 219 states and 270 transitions. cyclomatic complexity: 53 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:59:35,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:35,033 INFO L93 Difference]: Finished difference Result 419 states and 510 transitions. [2021-12-06 22:59:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:59:35,033 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 419 states and 510 transitions. [2021-12-06 22:59:35,036 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 280 [2021-12-06 22:59:35,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 419 states to 419 states and 510 transitions. [2021-12-06 22:59:35,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 419 [2021-12-06 22:59:35,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 419 [2021-12-06 22:59:35,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 419 states and 510 transitions. [2021-12-06 22:59:35,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:35,041 INFO L681 BuchiCegarLoop]: Abstraction has 419 states and 510 transitions. [2021-12-06 22:59:35,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states and 510 transitions. [2021-12-06 22:59:35,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 230. [2021-12-06 22:59:35,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 230 states have (on average 1.2260869565217392) internal successors, (282), 229 states have internal predecessors, (282), 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) [2021-12-06 22:59:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2021-12-06 22:59:35,047 INFO L704 BuchiCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-12-06 22:59:35,047 INFO L587 BuchiCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-12-06 22:59:35,047 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-06 22:59:35,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 230 states and 282 transitions. [2021-12-06 22:59:35,048 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 140 [2021-12-06 22:59:35,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:35,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:35,049 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:35,049 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2021-12-06 22:59:35,050 INFO L791 eck$LassoCheckResult]: Stem: 7269#ULTIMATE.startENTRY 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(13, 2); 7259#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 7249#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 7251#L61 assume !(0 == mp_add_~a2~0#1 % 256); 7252#L59-1 mp_add_~nb~0#1 := 4; 7325#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 7324#L71 assume !(0 == mp_add_~b2~0#1 % 256); 7322#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 7320#L80-2 assume !((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536); 7319#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7318#L108 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := 0; 7317#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 7316#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 7315#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 7262#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7263#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7276#L108 assume !(0 == mp_add_~i~0#1 % 256); 7283#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 7277#L109-1 [2021-12-06 22:59:35,050 INFO L793 eck$LassoCheckResult]: Loop: 7277#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 7278#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 7312#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7309#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7306#L108 assume !(0 == mp_add_~i~0#1 % 256); 7303#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 7300#L109-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := 0; 7298#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 7295#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7294#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7293#L108 assume !(0 == mp_add_~i~0#1 % 256); 7292#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 7291#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 7290#L110-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := 0; 7271#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7331#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7330#L108 assume !(0 == mp_add_~i~0#1 % 256); 7329#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 7277#L109-1 [2021-12-06 22:59:35,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:35,050 INFO L85 PathProgramCache]: Analyzing trace with hash 379711671, now seen corresponding path program 1 times [2021-12-06 22:59:35,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:35,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053723319] [2021-12-06 22:59:35,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:35,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:35,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:59:35,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:35,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053723319] [2021-12-06 22:59:35,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053723319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:35,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:35,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:59:35,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307040112] [2021-12-06 22:59:35,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:35,096 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:35,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash -830477736, now seen corresponding path program 2 times [2021-12-06 22:59:35,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:35,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818391667] [2021-12-06 22:59:35,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:35,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:59:35,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:35,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818391667] [2021-12-06 22:59:35,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818391667] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:35,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32558898] [2021-12-06 22:59:35,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:59:35,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:35,120 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:35,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 22:59:35,137 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 22:59:35,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:59:35,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:59:35,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:35,161 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 22:59:35,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:35,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32558898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:35,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:59:35,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 22:59:35,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023813404] [2021-12-06 22:59:35,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:35,162 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:35,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:35,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:59:35,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:59:35,162 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. cyclomatic complexity: 54 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-12-06 22:59:35,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:35,233 INFO L93 Difference]: Finished difference Result 266 states and 318 transitions. [2021-12-06 22:59:35,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:59:35,233 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 266 states and 318 transitions. [2021-12-06 22:59:35,235 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2021-12-06 22:59:35,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 266 states to 241 states and 285 transitions. [2021-12-06 22:59:35,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2021-12-06 22:59:35,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2021-12-06 22:59:35,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 285 transitions. [2021-12-06 22:59:35,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:35,237 INFO L681 BuchiCegarLoop]: Abstraction has 241 states and 285 transitions. [2021-12-06 22:59:35,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 285 transitions. [2021-12-06 22:59:35,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 218. [2021-12-06 22:59:35,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 218 states have (on average 1.1972477064220184) internal successors, (261), 217 states have internal predecessors, (261), 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) [2021-12-06 22:59:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 261 transitions. [2021-12-06 22:59:35,240 INFO L704 BuchiCegarLoop]: Abstraction has 218 states and 261 transitions. [2021-12-06 22:59:35,240 INFO L587 BuchiCegarLoop]: Abstraction has 218 states and 261 transitions. [2021-12-06 22:59:35,241 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-06 22:59:35,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 261 transitions. [2021-12-06 22:59:35,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 137 [2021-12-06 22:59:35,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:35,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:35,242 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:35,242 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:35,242 INFO L791 eck$LassoCheckResult]: Stem: 7833#ULTIMATE.startENTRY 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(13, 2); 7820#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 7810#L59 assume !(0 == mp_add_~a3~0#1 % 256); 7811#L59-1 mp_add_~nb~0#1 := 4; 7825#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 7817#L71 assume !(0 == mp_add_~b2~0#1 % 256); 7818#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 7999#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 7995#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 7993#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 7991#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 7836#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 7837#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 7985#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7983#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 7980#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 7979#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 7978#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 7977#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 7976#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7975#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 7946#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 7945#L84 assume !(0 == mp_add_~i~0#1 % 256); 7944#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 7882#L85-1 [2021-12-06 22:59:35,242 INFO L793 eck$LassoCheckResult]: Loop: 7882#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 7940#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 7934#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7931#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 7928#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 7925#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 7923#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 7921#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 7919#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7917#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 7914#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 7906#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7902#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 7901#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8021#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8020#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 8019#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8018#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8017#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8016#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 7890#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 7871#L90 assume !(0 == mp_add_~i~0#1 % 256); 7884#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 7879#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 7869#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 7868#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 7867#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 7866#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 7865#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 7864#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 7863#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7862#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 7860#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 7858#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7857#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 7856#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 7855#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 7854#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 7853#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 7852#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7850#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 7851#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 7888#L84 assume !(0 == mp_add_~i~0#1 % 256); 7881#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 7882#L85-1 [2021-12-06 22:59:35,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:35,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1132207432, now seen corresponding path program 1 times [2021-12-06 22:59:35,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:35,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491673401] [2021-12-06 22:59:35,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:35,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:35,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:35,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491673401] [2021-12-06 22:59:35,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491673401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:35,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:35,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:59:35,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143588837] [2021-12-06 22:59:35,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:35,288 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:35,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash 674297015, now seen corresponding path program 1 times [2021-12-06 22:59:35,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:35,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676857936] [2021-12-06 22:59:35,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:35,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-06 22:59:35,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:35,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676857936] [2021-12-06 22:59:35,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676857936] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:35,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597270881] [2021-12-06 22:59:35,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:35,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:35,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:35,337 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:35,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 22:59:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:59:35,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-06 22:59:35,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-06 22:59:35,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597270881] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:35,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:59:35,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2021-12-06 22:59:35,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330691188] [2021-12-06 22:59:35,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:35,583 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:35,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:35,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:59:35,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:59:35,584 INFO L87 Difference]: Start difference. First operand 218 states and 261 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-12-06 22:59:35,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:35,751 INFO L93 Difference]: Finished difference Result 595 states and 701 transitions. [2021-12-06 22:59:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:59:35,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 595 states and 701 transitions. [2021-12-06 22:59:35,754 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 411 [2021-12-06 22:59:35,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 595 states to 595 states and 701 transitions. [2021-12-06 22:59:35,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 595 [2021-12-06 22:59:35,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 595 [2021-12-06 22:59:35,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 595 states and 701 transitions. [2021-12-06 22:59:35,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:35,758 INFO L681 BuchiCegarLoop]: Abstraction has 595 states and 701 transitions. [2021-12-06 22:59:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states and 701 transitions. [2021-12-06 22:59:35,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 218. [2021-12-06 22:59:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 218 states have (on average 1.1972477064220184) internal successors, (261), 217 states have internal predecessors, (261), 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) [2021-12-06 22:59:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 261 transitions. [2021-12-06 22:59:35,762 INFO L704 BuchiCegarLoop]: Abstraction has 218 states and 261 transitions. [2021-12-06 22:59:35,762 INFO L587 BuchiCegarLoop]: Abstraction has 218 states and 261 transitions. [2021-12-06 22:59:35,762 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-06 22:59:35,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 261 transitions. [2021-12-06 22:59:35,763 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 137 [2021-12-06 22:59:35,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:35,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:35,764 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:35,764 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:35,764 INFO L791 eck$LassoCheckResult]: Stem: 8923#ULTIMATE.startENTRY 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(13, 2); 8910#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 8894#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 8896#L61 assume !(0 == mp_add_~a2~0#1 % 256); 8897#L59-1 mp_add_~nb~0#1 := 4; 8918#L69 assume !(0 == mp_add_~b3~0#1 % 256); 8919#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 9095#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9094#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9093#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9091#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 9090#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 9087#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 8901#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 8902#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 8903#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 8916#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8917#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8930#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8931#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8925#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8926#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8935#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9092#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 9039#L95-1 [2021-12-06 22:59:35,764 INFO L793 eck$LassoCheckResult]: Loop: 9039#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9089#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 9074#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9071#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9069#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9067#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9065#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9017#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9007#L90 assume !(0 == mp_add_~i~0#1 % 256); 9058#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 9009#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 9005#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 9003#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 9001#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8999#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8989#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 8990#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8982#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8983#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8973#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 8972#L84 assume !(0 == mp_add_~i~0#1 % 256); 8970#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 8969#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 8967#L86-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a3~0#1 % 256; 8964#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 8961#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 8960#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8959#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8958#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8957#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 8956#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8955#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8953#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8950#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 8949#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 8948#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8947#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8946#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8945#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8944#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8942#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8943#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8988#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9061#L90 assume !(0 == mp_add_~i~0#1 % 256); 9059#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 9048#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 9042#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 9038#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 9039#L95-1 [2021-12-06 22:59:35,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:35,764 INFO L85 PathProgramCache]: Analyzing trace with hash -157875573, now seen corresponding path program 1 times [2021-12-06 22:59:35,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:35,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838802739] [2021-12-06 22:59:35,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:35,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:35,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:35,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838802739] [2021-12-06 22:59:35,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838802739] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:35,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853621056] [2021-12-06 22:59:35,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:35,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:35,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:35,814 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:35,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 22:59:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:35,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:59:35,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:59:35,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:35,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853621056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:35,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:59:35,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-12-06 22:59:35,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402581733] [2021-12-06 22:59:35,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:35,901 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:35,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:35,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1053030511, now seen corresponding path program 1 times [2021-12-06 22:59:35,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:35,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389408950] [2021-12-06 22:59:35,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:35,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 22:59:35,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:35,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389408950] [2021-12-06 22:59:35,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389408950] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:35,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723340703] [2021-12-06 22:59:35,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:35,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:35,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:35,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:35,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 22:59:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:35,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:59:35,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 22:59:36,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:36,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723340703] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:36,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:59:36,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-12-06 22:59:36,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545168918] [2021-12-06 22:59:36,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:36,111 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:36,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:36,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:59:36,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:59:36,112 INFO L87 Difference]: Start difference. First operand 218 states and 261 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-12-06 22:59:36,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:36,247 INFO L93 Difference]: Finished difference Result 600 states and 695 transitions. [2021-12-06 22:59:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:59:36,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 600 states and 695 transitions. [2021-12-06 22:59:36,251 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 401 [2021-12-06 22:59:36,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 600 states to 566 states and 656 transitions. [2021-12-06 22:59:36,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 566 [2021-12-06 22:59:36,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 566 [2021-12-06 22:59:36,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 566 states and 656 transitions. [2021-12-06 22:59:36,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:36,256 INFO L681 BuchiCegarLoop]: Abstraction has 566 states and 656 transitions. [2021-12-06 22:59:36,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states and 656 transitions. [2021-12-06 22:59:36,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 338. [2021-12-06 22:59:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 338 states have (on average 1.1893491124260356) internal successors, (402), 337 states have internal predecessors, (402), 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) [2021-12-06 22:59:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 402 transitions. [2021-12-06 22:59:36,265 INFO L704 BuchiCegarLoop]: Abstraction has 338 states and 402 transitions. [2021-12-06 22:59:36,265 INFO L587 BuchiCegarLoop]: Abstraction has 338 states and 402 transitions. [2021-12-06 22:59:36,265 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-06 22:59:36,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 338 states and 402 transitions. [2021-12-06 22:59:36,267 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 233 [2021-12-06 22:59:36,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:36,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:36,268 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:36,268 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:36,268 INFO L791 eck$LassoCheckResult]: Stem: 9970#ULTIMATE.startENTRY 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(13, 2); 9961#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 9945#L59 assume !(0 == mp_add_~a3~0#1 % 256); 9946#L59-1 mp_add_~nb~0#1 := 4; 9966#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 9956#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 9958#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 9984#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 9972#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9973#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 9983#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 10268#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 10266#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 10257#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 10258#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9953#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 10282#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 9967#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9959#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9960#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9978#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9981#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 10270#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 9968#L84 assume !(0 == mp_add_~i~0#1 % 256); 9969#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 9974#L85-1 [2021-12-06 22:59:36,268 INFO L793 eck$LassoCheckResult]: Loop: 9974#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 9975#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 10252#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9954#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 9955#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9985#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 10277#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 10276#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 10275#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 10256#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 10219#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 10218#L84 assume !(0 == mp_add_~i~0#1 % 256); 10211#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 10139#L85-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a2~0#1 % 256; 10135#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 10131#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 10047#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 10045#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 10043#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 10032#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 10033#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 10027#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 10028#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 10014#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 10013#L84 assume !(0 == mp_add_~i~0#1 % 256); 10012#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 10011#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 10010#L86-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a3~0#1 % 256; 10008#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 10005#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 10004#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 10003#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 10002#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 10001#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 10000#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9999#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9997#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9995#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9994#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 9993#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9992#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9991#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9990#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9989#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9987#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9988#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 10209#L84 assume !(0 == mp_add_~i~0#1 % 256); 10207#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 9974#L85-1 [2021-12-06 22:59:36,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:36,269 INFO L85 PathProgramCache]: Analyzing trace with hash -311032260, now seen corresponding path program 1 times [2021-12-06 22:59:36,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:36,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664208098] [2021-12-06 22:59:36,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:36,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:36,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:36,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664208098] [2021-12-06 22:59:36,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664208098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:36,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:36,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:59:36,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949278802] [2021-12-06 22:59:36,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:36,331 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:36,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:36,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1968906139, now seen corresponding path program 1 times [2021-12-06 22:59:36,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:36,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805072148] [2021-12-06 22:59:36,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:36,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 35 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:59:36,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:36,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805072148] [2021-12-06 22:59:36,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805072148] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:36,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814404304] [2021-12-06 22:59:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:36,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:36,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:36,388 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:36,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 22:59:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:36,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:59:36,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 44 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-06 22:59:36,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 44 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-06 22:59:36,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814404304] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:36,648 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:59:36,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2021-12-06 22:59:36,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878184965] [2021-12-06 22:59:36,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:36,649 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:36,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:36,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:59:36,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:59:36,649 INFO L87 Difference]: Start difference. First operand 338 states and 402 transitions. cyclomatic complexity: 67 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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) [2021-12-06 22:59:37,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:37,016 INFO L93 Difference]: Finished difference Result 1249 states and 1466 transitions. [2021-12-06 22:59:37,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:59:37,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1249 states and 1466 transitions. [2021-12-06 22:59:37,021 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 932 [2021-12-06 22:59:37,027 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1249 states to 1249 states and 1466 transitions. [2021-12-06 22:59:37,028 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1249 [2021-12-06 22:59:37,028 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1249 [2021-12-06 22:59:37,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1249 states and 1466 transitions. [2021-12-06 22:59:37,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:37,030 INFO L681 BuchiCegarLoop]: Abstraction has 1249 states and 1466 transitions. [2021-12-06 22:59:37,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states and 1466 transitions. [2021-12-06 22:59:37,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 322. [2021-12-06 22:59:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 322 states have (on average 1.18944099378882) internal successors, (383), 321 states have internal predecessors, (383), 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) [2021-12-06 22:59:37,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 383 transitions. [2021-12-06 22:59:37,039 INFO L704 BuchiCegarLoop]: Abstraction has 322 states and 383 transitions. [2021-12-06 22:59:37,039 INFO L587 BuchiCegarLoop]: Abstraction has 322 states and 383 transitions. [2021-12-06 22:59:37,039 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-12-06 22:59:37,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 322 states and 383 transitions. [2021-12-06 22:59:37,040 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 233 [2021-12-06 22:59:37,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:37,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:37,042 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:37,042 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:37,042 INFO L791 eck$LassoCheckResult]: Stem: 11870#ULTIMATE.startENTRY 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(13, 2); 11859#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 11844#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 11846#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 11847#L63 assume !(0 == mp_add_~a1~0#1 % 256); 11848#L59-1 mp_add_~nb~0#1 := 4; 11867#L69 assume !(0 == mp_add_~b3~0#1 % 256); 11855#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 12131#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12128#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12129#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12164#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 12162#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 12160#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 12159#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12157#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 12155#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 12153#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12152#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12151#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12150#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12148#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12146#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12144#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 12143#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 12022#L95-1 [2021-12-06 22:59:37,042 INFO L793 eck$LassoCheckResult]: Loop: 12022#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12141#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 12140#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12139#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12138#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12137#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12136#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12021#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 11969#L90 assume !(0 == mp_add_~i~0#1 % 256); 12135#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 11976#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 11977#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12075#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 12074#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12073#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12072#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 12071#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12070#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12069#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12067#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12066#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 12065#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 12061#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12064#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12063#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12062#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 11951#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11952#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 11996#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11997#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 11898#L90 assume !(0 == mp_add_~i~0#1 % 256); 12149#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 12147#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 12145#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 11899#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 11892#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 11893#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 11889#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 11888#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 11887#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11885#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 11886#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11946#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12030#L90 assume !(0 == mp_add_~i~0#1 % 256); 12031#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 12025#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 12003#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12004#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 12022#L95-1 [2021-12-06 22:59:37,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:37,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1197588092, now seen corresponding path program 1 times [2021-12-06 22:59:37,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:37,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89627311] [2021-12-06 22:59:37,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:37,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:37,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:37,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89627311] [2021-12-06 22:59:37,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89627311] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:37,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480652462] [2021-12-06 22:59:37,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:37,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:37,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:37,093 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:37,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 22:59:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:37,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:59:37,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:37,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:37,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480652462] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:37,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:59:37,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-12-06 22:59:37,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848015431] [2021-12-06 22:59:37,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:37,277 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:37,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:37,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1065578867, now seen corresponding path program 1 times [2021-12-06 22:59:37,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:37,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059066791] [2021-12-06 22:59:37,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:37,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 22:59:37,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:37,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059066791] [2021-12-06 22:59:37,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059066791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:37,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:37,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:59:37,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128518392] [2021-12-06 22:59:37,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:37,347 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:37,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:37,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:59:37,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:59:37,347 INFO L87 Difference]: Start difference. First operand 322 states and 383 transitions. cyclomatic complexity: 64 Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-06 22:59:37,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:37,507 INFO L93 Difference]: Finished difference Result 721 states and 834 transitions. [2021-12-06 22:59:37,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:59:37,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 721 states and 834 transitions. [2021-12-06 22:59:37,510 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 495 [2021-12-06 22:59:37,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 721 states to 721 states and 834 transitions. [2021-12-06 22:59:37,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 721 [2021-12-06 22:59:37,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 721 [2021-12-06 22:59:37,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 721 states and 834 transitions. [2021-12-06 22:59:37,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:37,515 INFO L681 BuchiCegarLoop]: Abstraction has 721 states and 834 transitions. [2021-12-06 22:59:37,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states and 834 transitions. [2021-12-06 22:59:37,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 617. [2021-12-06 22:59:37,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 617 states have (on average 1.173419773095624) internal successors, (724), 616 states have internal predecessors, (724), 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) [2021-12-06 22:59:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 724 transitions. [2021-12-06 22:59:37,525 INFO L704 BuchiCegarLoop]: Abstraction has 617 states and 724 transitions. [2021-12-06 22:59:37,525 INFO L587 BuchiCegarLoop]: Abstraction has 617 states and 724 transitions. [2021-12-06 22:59:37,525 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-12-06 22:59:37,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 617 states and 724 transitions. [2021-12-06 22:59:37,527 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 457 [2021-12-06 22:59:37,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:37,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:37,527 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:37,527 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:37,527 INFO L791 eck$LassoCheckResult]: Stem: 13005#ULTIMATE.startENTRY 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(13, 2); 12992#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 12982#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 12984#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 12985#L63 assume !(0 == mp_add_~a1~0#1 % 256); 12986#L59-1 mp_add_~nb~0#1 := 4; 12999#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 13001#L71 assume !(0 == mp_add_~b2~0#1 % 256); 13188#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 13186#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13184#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13185#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 13203#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 13202#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 13201#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 13199#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 13196#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 13195#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 13194#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 13193#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 13191#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 13189#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 13187#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13177#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13174#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 13171#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 13172#L95-1 [2021-12-06 22:59:37,527 INFO L793 eck$LassoCheckResult]: Loop: 13172#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 13166#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 13162#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 13159#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 13155#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 13156#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13148#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13147#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 13095#L90 assume !(0 == mp_add_~i~0#1 % 256); 13133#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 13134#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 13092#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 13093#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 13091#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 13258#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 13256#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 13254#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 13252#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 13250#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13248#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13245#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 13239#L90 assume !(0 == mp_add_~i~0#1 % 256); 13242#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 13241#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 13238#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 13235#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 13233#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 13231#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 13229#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 13227#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 13225#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 13223#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13219#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13215#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 13213#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 13212#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 13142#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 13141#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 13140#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 13139#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 13138#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13137#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13136#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 13135#L90 assume !(0 == mp_add_~i~0#1 % 256); 13130#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 13131#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 13273#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 13272#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 13172#L95-1 [2021-12-06 22:59:37,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash 509264005, now seen corresponding path program 1 times [2021-12-06 22:59:37,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:37,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974763075] [2021-12-06 22:59:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:37,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:37,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:37,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974763075] [2021-12-06 22:59:37,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974763075] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:37,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191547246] [2021-12-06 22:59:37,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:37,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:37,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:37,593 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:37,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 22:59:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:37,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:59:37,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:59:37,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:37,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191547246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:37,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:59:37,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-06 22:59:37,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886128677] [2021-12-06 22:59:37,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:37,704 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:37,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:37,705 INFO L85 PathProgramCache]: Analyzing trace with hash -358433971, now seen corresponding path program 1 times [2021-12-06 22:59:37,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:37,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220674545] [2021-12-06 22:59:37,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:37,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:37,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:37,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220674545] [2021-12-06 22:59:37,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220674545] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:37,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115308169] [2021-12-06 22:59:37,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:37,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:37,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:37,762 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:37,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 22:59:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:37,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:59:37,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 47 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 22:59:37,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 47 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 22:59:38,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115308169] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:38,058 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:59:38,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2021-12-06 22:59:38,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298226266] [2021-12-06 22:59:38,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:38,059 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:38,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:38,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:59:38,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:59:38,060 INFO L87 Difference]: Start difference. First operand 617 states and 724 transitions. cyclomatic complexity: 112 Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2021-12-06 22:59:38,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:38,273 INFO L93 Difference]: Finished difference Result 1291 states and 1494 transitions. [2021-12-06 22:59:38,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:59:38,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1291 states and 1494 transitions. [2021-12-06 22:59:38,278 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 988 [2021-12-06 22:59:38,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1291 states to 1277 states and 1479 transitions. [2021-12-06 22:59:38,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1277 [2021-12-06 22:59:38,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1277 [2021-12-06 22:59:38,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1277 states and 1479 transitions. [2021-12-06 22:59:38,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:38,286 INFO L681 BuchiCegarLoop]: Abstraction has 1277 states and 1479 transitions. [2021-12-06 22:59:38,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states and 1479 transitions. [2021-12-06 22:59:38,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 891. [2021-12-06 22:59:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 891 states, 891 states have (on average 1.1750841750841752) internal successors, (1047), 890 states have internal predecessors, (1047), 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) [2021-12-06 22:59:38,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1047 transitions. [2021-12-06 22:59:38,307 INFO L704 BuchiCegarLoop]: Abstraction has 891 states and 1047 transitions. [2021-12-06 22:59:38,307 INFO L587 BuchiCegarLoop]: Abstraction has 891 states and 1047 transitions. [2021-12-06 22:59:38,307 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-12-06 22:59:38,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 891 states and 1047 transitions. [2021-12-06 22:59:38,310 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 675 [2021-12-06 22:59:38,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:38,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:38,311 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:38,311 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:38,312 INFO L791 eck$LassoCheckResult]: Stem: 15302#ULTIMATE.startENTRY 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(13, 2); 15289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 15278#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 15280#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 15281#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 15282#L59-1 mp_add_~nb~0#1 := 4; 15296#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 15298#L71 assume !(0 == mp_add_~b2~0#1 % 256); 15454#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 15455#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15449#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 15451#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15508#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 15507#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 15506#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 15505#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 15503#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 15501#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 15502#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15497#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15498#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15493#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15494#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15474#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 15475#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 15615#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 15386#L95-1 [2021-12-06 22:59:38,312 INFO L793 eck$LassoCheckResult]: Loop: 15386#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15614#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 15613#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15612#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15611#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15610#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15609#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 15574#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15367#L90 assume !(0 == mp_add_~i~0#1 % 256); 15608#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 15568#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 15566#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 15564#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 15563#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15562#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15559#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 15560#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15553#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15554#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15545#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15544#L84 assume !(0 == mp_add_~i~0#1 % 256); 15543#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 15542#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 15541#L86-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a3~0#1 % 256; 15539#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 15536#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 15534#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15532#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15530#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15527#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 15526#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15524#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15520#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 15517#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 15511#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 15512#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15482#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15481#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15480#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15479#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15412#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15413#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 15478#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15602#L90 assume !(0 == mp_add_~i~0#1 % 256); 15603#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 15397#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 15398#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 15384#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 15386#L95-1 [2021-12-06 22:59:38,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:38,312 INFO L85 PathProgramCache]: Analyzing trace with hash 290409287, now seen corresponding path program 1 times [2021-12-06 22:59:38,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:38,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014063458] [2021-12-06 22:59:38,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:38,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:38,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:38,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014063458] [2021-12-06 22:59:38,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014063458] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:38,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387998652] [2021-12-06 22:59:38,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:38,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:38,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:38,380 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:38,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-06 22:59:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:38,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:59:38,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:38,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:38,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387998652] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:38,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:59:38,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2021-12-06 22:59:38,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014736997] [2021-12-06 22:59:38,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:38,667 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:38,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1053030511, now seen corresponding path program 2 times [2021-12-06 22:59:38,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:38,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274491442] [2021-12-06 22:59:38,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:38,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 22:59:38,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:38,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274491442] [2021-12-06 22:59:38,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274491442] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:38,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653554793] [2021-12-06 22:59:38,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:59:38,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:38,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:38,723 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:38,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-06 22:59:38,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 22:59:38,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:59:38,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:59:38,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-06 22:59:38,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:38,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653554793] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:38,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:59:38,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2021-12-06 22:59:38,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844409919] [2021-12-06 22:59:38,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:38,901 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:38,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:38,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:59:38,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:59:38,902 INFO L87 Difference]: Start difference. First operand 891 states and 1047 transitions. cyclomatic complexity: 163 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2021-12-06 22:59:39,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:39,123 INFO L93 Difference]: Finished difference Result 1459 states and 1692 transitions. [2021-12-06 22:59:39,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:59:39,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1459 states and 1692 transitions. [2021-12-06 22:59:39,129 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1042 [2021-12-06 22:59:39,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1459 states to 1444 states and 1671 transitions. [2021-12-06 22:59:39,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1444 [2021-12-06 22:59:39,136 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1444 [2021-12-06 22:59:39,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1444 states and 1671 transitions. [2021-12-06 22:59:39,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:39,137 INFO L681 BuchiCegarLoop]: Abstraction has 1444 states and 1671 transitions. [2021-12-06 22:59:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states and 1671 transitions. [2021-12-06 22:59:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1312. [2021-12-06 22:59:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1312 states have (on average 1.166158536585366) internal successors, (1530), 1311 states have internal predecessors, (1530), 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) [2021-12-06 22:59:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1530 transitions. [2021-12-06 22:59:39,154 INFO L704 BuchiCegarLoop]: Abstraction has 1312 states and 1530 transitions. [2021-12-06 22:59:39,154 INFO L587 BuchiCegarLoop]: Abstraction has 1312 states and 1530 transitions. [2021-12-06 22:59:39,154 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-12-06 22:59:39,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1312 states and 1530 transitions. [2021-12-06 22:59:39,158 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 995 [2021-12-06 22:59:39,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:39,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:39,158 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:39,158 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:39,158 INFO L791 eck$LassoCheckResult]: Stem: 17889#ULTIMATE.startENTRY 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(13, 2); 17876#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 17860#L59 assume !(0 == mp_add_~a3~0#1 % 256); 17861#L59-1 mp_add_~nb~0#1 := 4; 17884#L69 assume !(0 == mp_add_~b3~0#1 % 256); 17885#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 18826#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 18825#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 18824#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 18823#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 18822#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 18821#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 18820#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 18819#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 18818#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 18817#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 18816#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 18815#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 18814#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 18813#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 18812#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 18811#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 18810#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 18808#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 18807#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 18805#L84 assume !(0 == mp_add_~i~0#1 % 256); 18803#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 18791#L85-1 [2021-12-06 22:59:39,158 INFO L793 eck$LassoCheckResult]: Loop: 18791#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 18800#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 18798#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 18792#L90 assume !(0 == mp_add_~i~0#1 % 256); 18790#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 18781#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 18773#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 18766#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 18763#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 18760#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 18757#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 18755#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 18753#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 18751#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 18747#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 18748#L84 assume !(0 == mp_add_~i~0#1 % 256); 18744#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 18617#L85-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a2~0#1 % 256; 18614#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 18612#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 18610#L90 assume !(0 == mp_add_~i~0#1 % 256); 18608#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 18443#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 18444#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 18429#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 18427#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 18428#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 18423#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 18424#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 18419#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 18420#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 18408#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 18410#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 17957#L90 assume !(0 == mp_add_~i~0#1 % 256); 17945#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 17946#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 17938#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 17939#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 18796#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 18788#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 18784#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 18783#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 18782#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 18779#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 18776#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 18768#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 18764#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 18761#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 18758#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 18756#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 18754#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 18752#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 18749#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 18750#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 18745#L84 assume !(0 == mp_add_~i~0#1 % 256); 18746#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 18791#L85-1 [2021-12-06 22:59:39,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:39,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1153533403, now seen corresponding path program 1 times [2021-12-06 22:59:39,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:39,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159437933] [2021-12-06 22:59:39,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:39,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:39,166 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:39,176 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:39,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:39,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1028065353, now seen corresponding path program 1 times [2021-12-06 22:59:39,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:39,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968475999] [2021-12-06 22:59:39,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:39,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:39,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:39,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968475999] [2021-12-06 22:59:39,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968475999] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:39,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245424712] [2021-12-06 22:59:39,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:39,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:39,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:39,238 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:39,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-06 22:59:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:39,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:59:39,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 22:59:39,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 22:59:39,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245424712] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:39,508 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:59:39,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2021-12-06 22:59:39,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268000632] [2021-12-06 22:59:39,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:39,508 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:59:39,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:39,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 22:59:39,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:59:39,509 INFO L87 Difference]: Start difference. First operand 1312 states and 1530 transitions. cyclomatic complexity: 228 Second operand has 14 states, 13 states have (on average 9.461538461538462) internal successors, (123), 14 states have internal predecessors, (123), 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) [2021-12-06 22:59:40,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:40,584 INFO L93 Difference]: Finished difference Result 1694 states and 1911 transitions. [2021-12-06 22:59:40,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-06 22:59:40,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1694 states and 1911 transitions. [2021-12-06 22:59:40,591 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 402 [2021-12-06 22:59:40,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1694 states to 1692 states and 1881 transitions. [2021-12-06 22:59:40,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1692 [2021-12-06 22:59:40,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1692 [2021-12-06 22:59:40,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1692 states and 1881 transitions. [2021-12-06 22:59:40,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:40,600 INFO L681 BuchiCegarLoop]: Abstraction has 1692 states and 1881 transitions. [2021-12-06 22:59:40,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states and 1881 transitions. [2021-12-06 22:59:40,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 527. [2021-12-06 22:59:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 527 states have (on average 1.1176470588235294) internal successors, (589), 526 states have internal predecessors, (589), 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) [2021-12-06 22:59:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 589 transitions. [2021-12-06 22:59:40,612 INFO L704 BuchiCegarLoop]: Abstraction has 527 states and 589 transitions. [2021-12-06 22:59:40,612 INFO L587 BuchiCegarLoop]: Abstraction has 527 states and 589 transitions. [2021-12-06 22:59:40,612 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-12-06 22:59:40,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 527 states and 589 transitions. [2021-12-06 22:59:40,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2021-12-06 22:59:40,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:40,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:40,614 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:40,614 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:40,614 INFO L791 eck$LassoCheckResult]: Stem: 21297#ULTIMATE.startENTRY 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(13, 2); 21287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 21276#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 21278#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 21279#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 21280#L59-1 mp_add_~nb~0#1 := 4; 21292#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 21294#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 21306#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 21307#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 21410#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 21411#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 21568#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 21567#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 21566#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 21565#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 21564#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 21562#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 21560#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 21558#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 21556#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 21554#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 21552#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 21550#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 21548#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 21545#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 21544#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 21541#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 21540#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 21539#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 21537#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 21538#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 21441#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 21442#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 21431#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 21432#L90 assume !(0 == mp_add_~i~0#1 % 256); 21427#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 21428#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 21772#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 21771#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 21769#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 21767#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 21765#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 21763#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 21759#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 21757#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 21754#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 21750#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 21309#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 21795#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 21798#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 21797#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 21796#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 21301#L102-1 [2021-12-06 22:59:40,614 INFO L793 eck$LassoCheckResult]: Loop: 21301#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 21299#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 21300#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 21304#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 21302#L90 assume !(0 == mp_add_~i~0#1 % 256); 21303#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 21274#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 21272#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 21273#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 21275#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 21291#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 21282#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 21283#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 21301#L102-1 [2021-12-06 22:59:40,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:40,615 INFO L85 PathProgramCache]: Analyzing trace with hash 739662963, now seen corresponding path program 1 times [2021-12-06 22:59:40,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:40,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043665923] [2021-12-06 22:59:40,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:40,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 22:59:40,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:40,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043665923] [2021-12-06 22:59:40,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043665923] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:40,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:40,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:59:40,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285849128] [2021-12-06 22:59:40,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:40,658 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:40,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:40,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 1 times [2021-12-06 22:59:40,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:40,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364235903] [2021-12-06 22:59:40,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:40,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:40,661 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:40,663 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:40,738 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:40,738 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:40,739 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:40,739 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:40,739 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:59:40,739 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:40,739 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:40,739 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:40,739 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration22_Loop [2021-12-06 22:59:40,739 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:40,739 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:40,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:40,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:40,888 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:40,889 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:59:40,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:40,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:40,891 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:40,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 22:59:40,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:40,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:40,913 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 22:59:40,913 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 22:59:40,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:40,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:40,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:40,934 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:40,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 22:59:40,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:40,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:40,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:40,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:40,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:40,986 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:40,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 22:59:40,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:59:40,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:41,860 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:59:41,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 22:59:41,863 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:41,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:41,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:41,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:41,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:59:41,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:41,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:41,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:41,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration22_Loop [2021-12-06 22:59:41,864 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:41,864 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:41,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:41,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:41,994 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:41,997 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:59:41,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:41,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:41,999 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:41,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 22:59:42,000 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 [2021-12-06 22:59:42,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:42,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:42,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:42,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 22:59:42,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,033 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 22:59:42,035 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 [2021-12-06 22:59:42,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:42,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:42,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:42,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 22:59:42,067 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:59:42,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,067 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 22:59:42,068 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 [2021-12-06 22:59:42,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:42,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,075 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:42,077 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:42,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:42,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,098 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 22:59:42,099 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 [2021-12-06 22:59:42,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:42,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,107 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:42,109 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:42,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 22:59:42,131 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:59:42,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,132 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 22:59:42,133 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 [2021-12-06 22:59:42,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:42,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,140 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:42,142 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:42,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 22:59:42,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,165 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 22:59:42,166 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 [2021-12-06 22:59:42,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:42,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,174 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:42,177 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:42,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 22:59:42,202 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:59:42,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,203 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 22:59:42,204 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 [2021-12-06 22:59:42,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:42,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,211 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:42,213 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:42,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 22:59:42,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,238 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 22:59:42,240 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 [2021-12-06 22:59:42,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:42,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,247 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:42,251 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:42,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:42,276 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:59:42,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,277 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 22:59:42,278 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 [2021-12-06 22:59:42,285 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,285 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:42,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,286 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:42,287 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:42,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:42,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,313 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 22:59:42,314 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 [2021-12-06 22:59:42,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,321 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:42,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,321 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:42,325 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:42,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 22:59:42,352 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:59:42,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,353 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 22:59:42,354 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 [2021-12-06 22:59:42,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,361 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:42,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,362 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:42,364 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:42,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 22:59:42,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,389 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 22:59:42,390 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 [2021-12-06 22:59:42,397 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,397 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:42,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,397 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:42,402 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:42,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 22:59:42,432 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:59:42,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,433 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 22:59:42,440 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 [2021-12-06 22:59:42,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,449 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:42,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,450 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:42,453 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:42,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 22:59:42,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,485 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 22:59:42,486 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 [2021-12-06 22:59:42,494 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,494 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:42,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,494 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:42,501 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:42,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:42,536 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:59:42,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,537 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 22:59:42,538 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 [2021-12-06 22:59:42,546 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,546 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:42,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,546 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:42,548 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:42,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 22:59:42,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,572 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 22:59:42,573 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 [2021-12-06 22:59:42,580 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,580 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:42,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,580 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:42,583 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:42,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 22:59:42,608 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:59:42,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,609 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 22:59:42,610 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 [2021-12-06 22:59:42,617 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,617 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:42,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,618 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:42,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:42,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 22:59:42,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:42,646 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 22:59:42,647 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 [2021-12-06 22:59:42,655 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:42,655 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:42,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:42,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:42,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:42,656 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:42,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:42,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:42,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:42,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 22:59:42,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:42,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:59:42,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:59:42,698 INFO L87 Difference]: Start difference. First operand 527 states and 589 transitions. cyclomatic complexity: 63 Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2021-12-06 22:59:42,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:42,786 INFO L93 Difference]: Finished difference Result 645 states and 719 transitions. [2021-12-06 22:59:42,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:59:42,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 645 states and 719 transitions. [2021-12-06 22:59:42,790 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-12-06 22:59:42,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 645 states to 631 states and 701 transitions. [2021-12-06 22:59:42,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 631 [2021-12-06 22:59:42,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 631 [2021-12-06 22:59:42,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 631 states and 701 transitions. [2021-12-06 22:59:42,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:42,793 INFO L681 BuchiCegarLoop]: Abstraction has 631 states and 701 transitions. [2021-12-06 22:59:42,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states and 701 transitions. [2021-12-06 22:59:42,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 581. [2021-12-06 22:59:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 581 states have (on average 1.1153184165232357) internal successors, (648), 580 states have internal predecessors, (648), 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) [2021-12-06 22:59:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 648 transitions. [2021-12-06 22:59:42,801 INFO L704 BuchiCegarLoop]: Abstraction has 581 states and 648 transitions. [2021-12-06 22:59:42,801 INFO L587 BuchiCegarLoop]: Abstraction has 581 states and 648 transitions. [2021-12-06 22:59:42,801 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-12-06 22:59:42,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 581 states and 648 transitions. [2021-12-06 22:59:42,803 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2021-12-06 22:59:42,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:42,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:42,804 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:42,804 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:42,804 INFO L791 eck$LassoCheckResult]: Stem: 22485#ULTIMATE.startENTRY 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(13, 2); 22475#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 22458#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 22460#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 22461#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 22462#L59-1 mp_add_~nb~0#1 := 4; 22667#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 22665#L71 assume !(0 == mp_add_~b2~0#1 % 256); 22666#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 22671#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 22657#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 22659#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 22925#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 22924#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 22923#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 22922#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 22921#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 22920#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 22919#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 22918#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 22917#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 22916#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 22908#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 22905#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 22902#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 22899#L90 assume !(0 == mp_add_~i~0#1 % 256); 22896#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 22894#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 22892#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 22890#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 22888#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 22886#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 22884#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 22882#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 22881#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 22878#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 22875#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 22871#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 22870#L90 assume !(0 == mp_add_~i~0#1 % 256); 22869#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 22868#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 22867#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 22865#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 22864#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 22863#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 22862#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 22861#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 22859#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 22857#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 22854#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 22852#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 22850#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 22848#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 22846#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 22844#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 22843#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 22835#L102-1 [2021-12-06 22:59:42,804 INFO L793 eck$LassoCheckResult]: Loop: 22835#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 22842#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 22819#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 22818#L84 assume !(0 == mp_add_~i~0#1 % 256); 22817#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 22816#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 22812#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 22813#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 22839#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 22838#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 22837#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 22836#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 22834#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 22835#L102-1 [2021-12-06 22:59:42,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:42,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2112365873, now seen corresponding path program 1 times [2021-12-06 22:59:42,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:42,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128919738] [2021-12-06 22:59:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:42,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-06 22:59:42,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:42,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128919738] [2021-12-06 22:59:42,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128919738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:42,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:42,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:59:42,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072224108] [2021-12-06 22:59:42,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:42,862 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:42,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 1 times [2021-12-06 22:59:42,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:42,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217181241] [2021-12-06 22:59:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:42,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:42,865 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:42,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:42,941 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:42,941 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:42,941 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:42,941 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:42,942 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:59:42,942 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:42,942 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:42,942 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:42,942 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration23_Loop [2021-12-06 22:59:42,942 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:42,942 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:42,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:42,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:43,043 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:43,043 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:59:43,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,044 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 22:59:43,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:43,045 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:43,060 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 22:59:43,060 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 22:59:43,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 22:59:43,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,079 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 22:59:43,080 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:43,080 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:43,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:43,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,128 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 22:59:43,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:59:43,129 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:43,681 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:59:43,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 22:59:43,684 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:43,684 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:43,684 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:43,684 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:43,684 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:59:43,684 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:43,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:43,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration23_Loop [2021-12-06 22:59:43,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:43,684 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:43,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:43,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:43,802 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:43,802 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:59:43,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,803 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 22:59:43,804 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 [2021-12-06 22:59:43,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:43,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:43,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:43,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:43,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:43,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:43,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:43,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:43,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 22:59:43,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,833 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 22:59:43,834 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 [2021-12-06 22:59:43,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:43,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:43,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:43,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:43,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:43,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:43,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:43,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:43,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:43,863 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:59:43,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,864 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 22:59:43,865 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 [2021-12-06 22:59:43,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:43,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:43,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:43,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:43,872 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:43,873 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:43,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:43,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:43,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:43,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,894 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 22:59:43,896 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 [2021-12-06 22:59:43,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:43,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:43,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:43,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:43,903 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:43,904 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:43,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:43,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:43,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 22:59:43,926 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:59:43,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,927 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 22:59:43,928 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 [2021-12-06 22:59:43,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:43,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:43,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:43,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:43,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:43,937 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:43,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:43,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:43,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:43,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,959 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 22:59:43,960 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 [2021-12-06 22:59:43,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:43,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:43,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:43,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:43,968 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:43,970 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:43,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:43,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:43,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 22:59:43,993 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:59:43,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:43,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:43,994 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:43,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 22:59:43,995 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 [2021-12-06 22:59:44,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:44,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,003 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:44,005 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:44,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:44,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,027 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 22:59:44,028 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 [2021-12-06 22:59:44,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:44,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,036 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:44,038 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:44,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 22:59:44,063 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:59:44,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,064 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 22:59:44,065 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 [2021-12-06 22:59:44,071 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,072 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:44,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,072 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:44,073 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:44,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:44,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,096 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 22:59:44,096 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 [2021-12-06 22:59:44,104 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,104 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:44,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,104 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:44,106 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:44,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 22:59:44,130 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:59:44,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,131 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 22:59:44,132 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 [2021-12-06 22:59:44,139 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,139 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:44,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,140 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:44,141 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:44,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 22:59:44,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,166 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 22:59:44,167 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 [2021-12-06 22:59:44,174 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,175 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:44,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,175 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:44,178 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:44,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 22:59:44,206 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:59:44,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,207 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 22:59:44,208 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 [2021-12-06 22:59:44,215 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,215 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:44,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,215 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:44,217 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:44,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 22:59:44,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,244 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 22:59:44,245 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 [2021-12-06 22:59:44,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,254 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:44,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,254 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:44,258 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:44,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 22:59:44,292 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:59:44,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,293 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 22:59:44,295 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 [2021-12-06 22:59:44,302 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,302 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:44,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,302 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:44,304 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:44,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:44,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,327 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 22:59:44,328 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 [2021-12-06 22:59:44,335 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,335 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:44,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,335 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:44,338 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:44,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:44,362 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:59:44,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,363 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 22:59:44,364 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 [2021-12-06 22:59:44,371 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,371 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:44,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,371 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:44,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:44,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:44,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:44,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,398 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 22:59:44,399 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 [2021-12-06 22:59:44,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:44,407 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:44,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:44,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:44,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:44,407 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:44,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:44,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:44,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:44,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 22:59:44,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:44,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:59:44,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:59:44,439 INFO L87 Difference]: Start difference. First operand 581 states and 648 transitions. cyclomatic complexity: 69 Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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) [2021-12-06 22:59:44,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:44,744 INFO L93 Difference]: Finished difference Result 1257 states and 1394 transitions. [2021-12-06 22:59:44,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:59:44,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1257 states and 1394 transitions. [2021-12-06 22:59:44,749 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 124 [2021-12-06 22:59:44,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1257 states to 1257 states and 1394 transitions. [2021-12-06 22:59:44,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1257 [2021-12-06 22:59:44,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1257 [2021-12-06 22:59:44,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1257 states and 1394 transitions. [2021-12-06 22:59:44,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:44,756 INFO L681 BuchiCegarLoop]: Abstraction has 1257 states and 1394 transitions. [2021-12-06 22:59:44,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states and 1394 transitions. [2021-12-06 22:59:44,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 542. [2021-12-06 22:59:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 542 states have (on average 1.1125461254612545) internal successors, (603), 541 states have internal predecessors, (603), 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) [2021-12-06 22:59:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 603 transitions. [2021-12-06 22:59:44,764 INFO L704 BuchiCegarLoop]: Abstraction has 542 states and 603 transitions. [2021-12-06 22:59:44,764 INFO L587 BuchiCegarLoop]: Abstraction has 542 states and 603 transitions. [2021-12-06 22:59:44,764 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-12-06 22:59:44,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 542 states and 603 transitions. [2021-12-06 22:59:44,765 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2021-12-06 22:59:44,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:44,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:44,765 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:44,765 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:44,765 INFO L791 eck$LassoCheckResult]: Stem: 24339#ULTIMATE.startENTRY 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(13, 2); 24331#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 24314#L59 assume !(0 == mp_add_~a3~0#1 % 256); 24315#L59-1 mp_add_~nb~0#1 := 4; 24334#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 24326#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 24328#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 24353#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 24451#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 24452#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 24448#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 24446#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 24447#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 24787#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 24442#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 24440#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 24441#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 24436#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 24437#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 24432#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 24433#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 24428#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 24429#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 24425#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 24423#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 24424#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 24419#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 24420#L84 assume !(0 == mp_add_~i~0#1 % 256); 24415#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 24416#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 24365#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 24366#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 24784#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 24819#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 24818#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 24817#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 24816#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 24815#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 24814#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 24813#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 24812#L84 assume !(0 == mp_add_~i~0#1 % 256); 24811#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 24810#L85-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a2~0#1 % 256; 24332#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 24333#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 24358#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 24356#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 24357#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 24855#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 24854#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 24853#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 24340#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 24341#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 24822#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 24850#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 24847#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 24844#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 24841#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 24838#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 24836#L102-1 [2021-12-06 22:59:44,766 INFO L793 eck$LassoCheckResult]: Loop: 24836#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 24834#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 24831#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 24337#L84 assume !(0 == mp_add_~i~0#1 % 256); 24338#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 24342#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 24343#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 24833#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 24851#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 24848#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 24845#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 24842#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 24839#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 24836#L102-1 [2021-12-06 22:59:44,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:44,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1768542192, now seen corresponding path program 1 times [2021-12-06 22:59:44,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:44,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882065097] [2021-12-06 22:59:44,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:44,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:44,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:44,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882065097] [2021-12-06 22:59:44,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882065097] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:44,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153636108] [2021-12-06 22:59:44,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:44,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:44,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:44,843 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:44,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2021-12-06 22:59:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:44,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:59:44,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-06 22:59:45,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 22 proven. 24 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 22:59:45,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153636108] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:45,275 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:59:45,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 5] total 14 [2021-12-06 22:59:45,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481672913] [2021-12-06 22:59:45,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:45,276 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:45,276 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 2 times [2021-12-06 22:59:45,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:45,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069886379] [2021-12-06 22:59:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:45,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:45,279 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:45,281 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:45,341 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:45,341 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:45,341 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:45,341 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:45,341 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:59:45,341 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:45,341 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:45,341 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:45,341 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration24_Loop [2021-12-06 22:59:45,341 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:45,341 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:45,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:45,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:45,444 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:45,444 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:59:45,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:45,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:45,445 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:45,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 22:59:45,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:45,446 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:45,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 22:59:45,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:45,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:45,507 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:45,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 22:59:45,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:59:45,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:46,106 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:59:46,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:46,109 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:46,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:46,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:46,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:46,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:59:46,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:46,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:46,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration24_Loop [2021-12-06 22:59:46,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:46,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:46,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:46,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:46,210 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:46,210 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:59:46,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,211 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 22:59:46,214 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 [2021-12-06 22:59:46,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:46,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:46,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:46,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 22:59:46,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,243 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 22:59:46,244 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 [2021-12-06 22:59:46,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:46,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:46,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:46,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 22:59:46,273 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:59:46,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,274 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 22:59:46,276 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 [2021-12-06 22:59:46,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:46,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,284 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:46,285 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:46,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 22:59:46,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,306 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 22:59:46,307 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 [2021-12-06 22:59:46,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:46,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,315 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:46,317 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:46,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:46,339 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:59:46,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,339 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 22:59:46,340 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 [2021-12-06 22:59:46,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:46,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,347 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:46,348 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:46,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 22:59:46,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,370 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 22:59:46,372 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 [2021-12-06 22:59:46,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:46,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,379 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:46,381 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:46,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 22:59:46,404 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:59:46,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,405 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 22:59:46,406 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 [2021-12-06 22:59:46,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:46,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,414 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:46,415 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:46,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 22:59:46,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,437 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 22:59:46,439 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 [2021-12-06 22:59:46,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:46,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,447 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:46,449 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:46,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 22:59:46,473 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:59:46,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,474 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 22:59:46,476 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 [2021-12-06 22:59:46,484 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,484 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:46,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,484 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:46,485 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:46,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 22:59:46,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,508 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 22:59:46,509 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 [2021-12-06 22:59:46,516 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,516 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:46,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,516 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:46,518 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:46,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:46,543 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:59:46,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,543 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 22:59:46,544 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 [2021-12-06 22:59:46,551 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,551 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:46,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,552 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:46,553 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:46,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-06 22:59:46,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,578 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 22:59:46,579 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 [2021-12-06 22:59:46,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,586 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:46,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,587 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:46,589 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:46,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 22:59:46,618 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:59:46,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,619 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 22:59:46,620 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 [2021-12-06 22:59:46,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,627 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:46,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,627 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:46,629 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:46,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 22:59:46,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,656 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 22:59:46,657 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 [2021-12-06 22:59:46,665 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,665 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:46,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,665 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:46,668 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:46,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:46,699 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:59:46,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,700 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 22:59:46,701 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 [2021-12-06 22:59:46,708 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,708 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:46,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,708 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:46,709 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:46,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-06 22:59:46,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,732 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 22:59:46,733 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 [2021-12-06 22:59:46,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,740 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:46,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:46,743 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:46,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-06 22:59:46,767 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:59:46,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,768 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 22:59:46,768 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 [2021-12-06 22:59:46,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,776 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:46,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,776 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:46,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:46,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-12-06 22:59:46,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:46,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:46,803 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:46,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-06 22:59:46,804 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 [2021-12-06 22:59:46,811 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:46,812 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:46,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:46,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:46,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:46,812 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:46,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:46,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:46,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:46,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-06 22:59:46,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:46,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 22:59:46,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:59:46,844 INFO L87 Difference]: Start difference. First operand 542 states and 603 transitions. cyclomatic complexity: 63 Second operand has 14 states, 14 states have (on average 9.857142857142858) internal successors, (138), 14 states have internal predecessors, (138), 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) [2021-12-06 22:59:47,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:47,425 INFO L93 Difference]: Finished difference Result 980 states and 1071 transitions. [2021-12-06 22:59:47,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 22:59:47,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 980 states and 1071 transitions. [2021-12-06 22:59:47,428 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 95 [2021-12-06 22:59:47,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 980 states to 904 states and 990 transitions. [2021-12-06 22:59:47,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 904 [2021-12-06 22:59:47,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 904 [2021-12-06 22:59:47,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 904 states and 990 transitions. [2021-12-06 22:59:47,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:47,434 INFO L681 BuchiCegarLoop]: Abstraction has 904 states and 990 transitions. [2021-12-06 22:59:47,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states and 990 transitions. [2021-12-06 22:59:47,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 753. [2021-12-06 22:59:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 753 states have (on average 1.1022576361221779) internal successors, (830), 752 states have internal predecessors, (830), 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) [2021-12-06 22:59:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 830 transitions. [2021-12-06 22:59:47,445 INFO L704 BuchiCegarLoop]: Abstraction has 753 states and 830 transitions. [2021-12-06 22:59:47,445 INFO L587 BuchiCegarLoop]: Abstraction has 753 states and 830 transitions. [2021-12-06 22:59:47,445 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-12-06 22:59:47,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 753 states and 830 transitions. [2021-12-06 22:59:47,447 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-12-06 22:59:47,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:47,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:47,448 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:47,448 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:47,448 INFO L791 eck$LassoCheckResult]: Stem: 26243#ULTIMATE.startENTRY 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(13, 2); 26233#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 26217#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 26219#L61 assume !(0 == mp_add_~a2~0#1 % 256); 26220#L59-1 mp_add_~nb~0#1 := 4; 26236#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 26228#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 26230#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 26382#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 26383#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 26378#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 26379#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 26374#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 26375#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 26370#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 26371#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 26366#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 26367#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 26362#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 26363#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 26358#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 26359#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 26354#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 26355#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 26350#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 26351#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 26346#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 26347#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 26342#L84 assume !(0 == mp_add_~i~0#1 % 256); 26343#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 26338#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 26339#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 26333#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 26335#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 26712#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 26768#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 26767#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 26766#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 26765#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 26764#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 26703#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 26702#L84 assume !(0 == mp_add_~i~0#1 % 256); 26701#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 26309#L85-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a2~0#1 % 256; 26310#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 26804#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 26802#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 26801#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 26800#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 26799#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 26798#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 26797#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 26796#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 26788#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 26789#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 26897#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 26785#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 26896#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 26895#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 26893#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 26892#L102-1 [2021-12-06 22:59:47,449 INFO L793 eck$LassoCheckResult]: Loop: 26892#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 26826#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 26824#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 26762#L84 assume !(0 == mp_add_~i~0#1 % 256); 26821#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 26819#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 26759#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 26760#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 26901#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 26900#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 26899#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 26898#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 26894#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 26892#L102-1 [2021-12-06 22:59:47,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:47,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1568749298, now seen corresponding path program 1 times [2021-12-06 22:59:47,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:47,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116257000] [2021-12-06 22:59:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:47,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:47,465 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:47,489 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:47,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:47,490 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 3 times [2021-12-06 22:59:47,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:47,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652282204] [2021-12-06 22:59:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:47,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:47,493 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:47,496 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:47,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:47,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1645369217, now seen corresponding path program 2 times [2021-12-06 22:59:47,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:47,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580105928] [2021-12-06 22:59:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:47,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-12-06 22:59:47,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:47,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580105928] [2021-12-06 22:59:47,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580105928] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:47,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:47,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:59:47,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617280706] [2021-12-06 22:59:47,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:47,636 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:47,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:47,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:47,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:47,636 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:59:47,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:47,636 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:47,636 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:47,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration25_Loop [2021-12-06 22:59:47,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:47,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:47,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:47,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:47,759 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:47,759 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:59:47,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:47,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:47,760 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:47,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 22:59:47,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:47,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:47,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 22:59:47,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:47,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:47,822 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:47,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 22:59:47,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:59:47,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:48,469 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:59:48,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-06 22:59:48,472 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:48,472 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:48,472 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:48,472 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:48,472 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:59:48,472 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,472 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:48,472 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:48,472 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration25_Loop [2021-12-06 22:59:48,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:48,472 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:48,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:48,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:48,568 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:48,568 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:59:48,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,569 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 22:59:48,570 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 [2021-12-06 22:59:48,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:48,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:48,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:48,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-06 22:59:48,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,599 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-06 22:59:48,600 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 [2021-12-06 22:59:48,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:48,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:48,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:48,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-06 22:59:48,628 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:59:48,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,629 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-06 22:59:48,630 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 [2021-12-06 22:59:48,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:48,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,637 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:48,640 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:48,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-12-06 22:59:48,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,663 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-06 22:59:48,664 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 [2021-12-06 22:59:48,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:48,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,671 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:48,672 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:48,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-06 22:59:48,693 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:59:48,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,693 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-06 22:59:48,694 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 [2021-12-06 22:59:48,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:48,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,702 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:48,704 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:48,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-06 22:59:48,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,728 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-06 22:59:48,729 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 [2021-12-06 22:59:48,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:48,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,738 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:48,739 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:48,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-12-06 22:59:48,765 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:59:48,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,766 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-06 22:59:48,767 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 [2021-12-06 22:59:48,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:48,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,775 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:48,777 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:48,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-06 22:59:48,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,803 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-06 22:59:48,804 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 [2021-12-06 22:59:48,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:48,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,811 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:48,813 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:48,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-12-06 22:59:48,835 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:59:48,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,835 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-06 22:59:48,836 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 [2021-12-06 22:59:48,843 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:48,843 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:48,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,843 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:48,845 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:48,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:48,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,871 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-06 22:59:48,872 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 [2021-12-06 22:59:48,879 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:48,879 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:48,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,879 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:48,880 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:48,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:48,902 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:59:48,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,903 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-06 22:59:48,904 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 [2021-12-06 22:59:48,911 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:48,911 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:48,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,912 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:48,914 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:48,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-06 22:59:48,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,945 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-06 22:59:48,946 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 [2021-12-06 22:59:48,953 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:48,953 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:48,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,953 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:48,955 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:48,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:48,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:48,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-06 22:59:48,979 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:59:48,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:48,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:48,980 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:48,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-06 22:59:48,981 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 [2021-12-06 22:59:48,988 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:48,988 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:48,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:48,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:48,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:48,988 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:48,992 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:48,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:49,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:49,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-06 22:59:49,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:49,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:49,028 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:49,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-06 22:59:49,029 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 [2021-12-06 22:59:49,036 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:49,036 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:49,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:49,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:49,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:49,037 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:49,038 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:49,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:49,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:49,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-12-06 22:59:49,065 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:59:49,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:49,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:49,066 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:49,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-06 22:59:49,066 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 [2021-12-06 22:59:49,073 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:49,073 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:49,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:49,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:49,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:49,074 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:49,076 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:49,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:49,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:49,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-06 22:59:49,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:49,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:49,100 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:49,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-06 22:59:49,101 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 [2021-12-06 22:59:49,108 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:49,108 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:49,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:49,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:49,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:49,109 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:49,110 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:49,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:49,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:49,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-06 22:59:49,131 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:59:49,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:49,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:49,132 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:49,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-06 22:59:49,134 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 [2021-12-06 22:59:49,142 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:49,142 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:49,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:49,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:49,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:49,143 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:49,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:49,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:49,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:49,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-06 22:59:49,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:49,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:49,174 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:49,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-06 22:59:49,175 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 [2021-12-06 22:59:49,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:49,182 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:49,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:49,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:49,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:49,182 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:49,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:49,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:49,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:49,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-06 22:59:49,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:49,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:59:49,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:59:49,209 INFO L87 Difference]: Start difference. First operand 753 states and 830 transitions. cyclomatic complexity: 80 Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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) [2021-12-06 22:59:49,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:49,398 INFO L93 Difference]: Finished difference Result 907 states and 990 transitions. [2021-12-06 22:59:49,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 22:59:49,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 907 states and 990 transitions. [2021-12-06 22:59:49,401 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 67 [2021-12-06 22:59:49,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 907 states to 876 states and 958 transitions. [2021-12-06 22:59:49,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 876 [2021-12-06 22:59:49,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 876 [2021-12-06 22:59:49,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 958 transitions. [2021-12-06 22:59:49,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:49,406 INFO L681 BuchiCegarLoop]: Abstraction has 876 states and 958 transitions. [2021-12-06 22:59:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 958 transitions. [2021-12-06 22:59:49,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 772. [2021-12-06 22:59:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 772 states have (on average 1.0984455958549222) internal successors, (848), 771 states have internal predecessors, (848), 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) [2021-12-06 22:59:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 848 transitions. [2021-12-06 22:59:49,415 INFO L704 BuchiCegarLoop]: Abstraction has 772 states and 848 transitions. [2021-12-06 22:59:49,415 INFO L587 BuchiCegarLoop]: Abstraction has 772 states and 848 transitions. [2021-12-06 22:59:49,415 INFO L425 BuchiCegarLoop]: ======== Iteration 26============ [2021-12-06 22:59:49,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 772 states and 848 transitions. [2021-12-06 22:59:49,416 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-12-06 22:59:49,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:49,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:49,417 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:49,417 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:49,417 INFO L791 eck$LassoCheckResult]: Stem: 27931#ULTIMATE.startENTRY 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(13, 2); 27921#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 27905#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 27907#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 27909#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 27910#L59-1 mp_add_~nb~0#1 := 4; 28340#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 28337#L71 assume !(0 == mp_add_~b2~0#1 % 256); 28334#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 28331#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 28328#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 28325#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 28322#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 28319#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 28316#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 28313#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 28310#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 28307#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 28304#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 28301#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 28298#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 28295#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 28292#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 28289#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 28287#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 28284#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 28281#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 28277#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 28274#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 28271#L90 assume !(0 == mp_add_~i~0#1 % 256); 28268#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 28265#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 28262#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 28259#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 28256#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 28253#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 28250#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 28248#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 28247#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 28246#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 28245#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 28242#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 28239#L90 assume !(0 == mp_add_~i~0#1 % 256); 28236#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 28226#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 28224#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 28221#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 28219#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 28217#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 28215#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 28213#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 28211#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 28209#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 28206#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 28085#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 28082#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 28079#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 28078#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 28077#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 28075#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 28073#L102-1 [2021-12-06 22:59:49,417 INFO L793 eck$LassoCheckResult]: Loop: 28073#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 28074#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 28586#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 28584#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 28577#L90 assume !(0 == mp_add_~i~0#1 % 256); 28581#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 28579#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 28575#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 28574#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 28573#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 28546#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 28543#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 28076#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 28073#L102-1 [2021-12-06 22:59:49,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:49,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1102177341, now seen corresponding path program 1 times [2021-12-06 22:59:49,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:49,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008081857] [2021-12-06 22:59:49,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:49,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:49,428 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:49,443 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:49,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:49,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 2 times [2021-12-06 22:59:49,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:49,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358552436] [2021-12-06 22:59:49,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:49,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:49,446 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:49,449 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:49,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:49,449 INFO L85 PathProgramCache]: Analyzing trace with hash -201701748, now seen corresponding path program 2 times [2021-12-06 22:59:49,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:49,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204183702] [2021-12-06 22:59:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:49,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-06 22:59:49,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:49,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204183702] [2021-12-06 22:59:49,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204183702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:49,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:49,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:59:49,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228671211] [2021-12-06 22:59:49,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:49,589 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:49,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:49,590 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:49,590 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:49,590 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:59:49,590 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:49,590 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:49,590 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:49,590 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration26_Loop [2021-12-06 22:59:49,590 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:49,590 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:49,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:49,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:49,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:49,714 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:59:49,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:49,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:49,715 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:49,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-06 22:59:49,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:49,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:49,737 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 22:59:49,737 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 22:59:49,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-06 22:59:49,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:49,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:49,770 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:49,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-06 22:59:49,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:49,771 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:49,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-06 22:59:49,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:49,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:49,834 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:49,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-06 22:59:49,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:59:49,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:50,749 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:59:50,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:50,752 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:50,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:50,752 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:50,752 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:50,752 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:59:50,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:50,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:50,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:50,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration26_Loop [2021-12-06 22:59:50,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:50,753 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:50,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:50,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:50,855 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:50,855 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:59:50,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:50,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:50,856 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:50,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-06 22:59:50,856 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 [2021-12-06 22:59:50,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:50,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:50,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:50,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:50,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:50,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:50,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:50,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:50,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:50,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:50,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:50,886 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:50,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-06 22:59:50,888 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 [2021-12-06 22:59:50,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:50,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:50,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:50,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:50,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:50,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:50,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:50,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:50,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:50,917 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:59:50,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:50,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:50,918 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:50,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-06 22:59:50,919 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 [2021-12-06 22:59:50,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:50,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:50,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:50,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:50,926 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:50,927 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:50,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:50,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:50,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-06 22:59:50,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:50,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:50,950 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:50,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-06 22:59:50,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:59:50,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:50,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:50,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:50,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:50,959 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:50,960 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:50,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:50,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:50,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-12-06 22:59:50,980 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:59:50,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:50,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:50,981 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:50,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-06 22:59:50,982 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 [2021-12-06 22:59:50,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:50,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:50,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:50,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:50,991 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:50,993 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:50,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:50,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:51,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,017 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-06 22:59:51,018 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 [2021-12-06 22:59:51,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:51,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,025 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:51,026 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:51,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-12-06 22:59:51,047 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:59:51,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,048 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-06 22:59:51,049 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 [2021-12-06 22:59:51,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:51,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,057 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:51,059 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:51,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-12-06 22:59:51,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,084 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-06 22:59:51,084 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 [2021-12-06 22:59:51,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:51,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,092 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:51,093 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:51,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:51,114 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:59:51,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,115 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-06 22:59:51,116 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 [2021-12-06 22:59:51,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,123 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:51,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,123 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:51,125 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:51,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:51,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,150 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-12-06 22:59:51,151 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 [2021-12-06 22:59:51,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,159 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:51,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,159 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:51,160 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:51,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:51,181 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:59:51,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,182 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-12-06 22:59:51,183 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 [2021-12-06 22:59:51,190 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,190 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:51,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,190 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:51,193 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:51,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-12-06 22:59:51,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,222 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-12-06 22:59:51,223 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 [2021-12-06 22:59:51,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,230 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:51,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,231 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:51,232 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:51,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:51,255 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:59:51,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,256 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-12-06 22:59:51,257 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 [2021-12-06 22:59:51,265 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,265 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:51,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,265 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:51,268 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:51,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:51,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,301 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-12-06 22:59:51,302 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 [2021-12-06 22:59:51,309 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,309 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:51,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,309 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:51,311 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:51,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:51,337 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:59:51,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,337 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-12-06 22:59:51,340 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 [2021-12-06 22:59:51,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,348 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:51,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,348 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:51,350 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:51,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-12-06 22:59:51,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,375 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-12-06 22:59:51,376 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 [2021-12-06 22:59:51,383 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,383 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:51,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,383 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:51,384 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:51,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-12-06 22:59:51,406 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:59:51,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,407 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-12-06 22:59:51,408 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 [2021-12-06 22:59:51,415 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,415 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:51,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,415 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:51,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:51,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-12-06 22:59:51,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:51,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,447 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-12-06 22:59:51,448 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 [2021-12-06 22:59:51,455 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:51,455 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:51,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:51,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:51,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:51,455 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:51,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:51,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:51,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:51,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-12-06 22:59:51,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:51,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:59:51,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:59:51,481 INFO L87 Difference]: Start difference. First operand 772 states and 848 transitions. cyclomatic complexity: 79 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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) [2021-12-06 22:59:51,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:51,664 INFO L93 Difference]: Finished difference Result 899 states and 984 transitions. [2021-12-06 22:59:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 22:59:51,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 899 states and 984 transitions. [2021-12-06 22:59:51,667 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 63 [2021-12-06 22:59:51,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 899 states to 750 states and 818 transitions. [2021-12-06 22:59:51,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 750 [2021-12-06 22:59:51,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 750 [2021-12-06 22:59:51,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 750 states and 818 transitions. [2021-12-06 22:59:51,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:51,674 INFO L681 BuchiCegarLoop]: Abstraction has 750 states and 818 transitions. [2021-12-06 22:59:51,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states and 818 transitions. [2021-12-06 22:59:51,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 499. [2021-12-06 22:59:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 499 states have (on average 1.1062124248496994) internal successors, (552), 498 states have internal predecessors, (552), 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) [2021-12-06 22:59:51,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 552 transitions. [2021-12-06 22:59:51,680 INFO L704 BuchiCegarLoop]: Abstraction has 499 states and 552 transitions. [2021-12-06 22:59:51,680 INFO L587 BuchiCegarLoop]: Abstraction has 499 states and 552 transitions. [2021-12-06 22:59:51,680 INFO L425 BuchiCegarLoop]: ======== Iteration 27============ [2021-12-06 22:59:51,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 499 states and 552 transitions. [2021-12-06 22:59:51,681 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-12-06 22:59:51,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:51,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:51,682 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:51,682 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:51,682 INFO L791 eck$LassoCheckResult]: Stem: 29628#ULTIMATE.startENTRY 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(13, 2); 29619#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 29604#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 29606#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 29608#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 29609#L59-1 mp_add_~nb~0#1 := 4; 29694#L69 assume !(0 == mp_add_~b3~0#1 % 256); 29695#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 29689#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 29690#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 29685#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 29686#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 29681#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 29682#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 29677#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 29678#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 29673#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 29674#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 29669#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 29670#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 29665#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 29666#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 29661#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 29662#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 29657#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 29658#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 29653#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 29650#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 29649#L90 assume !(0 == mp_add_~i~0#1 % 256); 29647#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 29648#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 30080#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 30079#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 30078#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 30077#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 30076#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 30075#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 30074#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 30073#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 30005#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 30004#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 29634#L90 assume !(0 == mp_add_~i~0#1 % 256); 29635#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 30001#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 30002#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 30102#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 30101#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 30100#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 30099#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 29632#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 29633#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 29629#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 29630#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 29621#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 30086#L90 assume !(0 == mp_add_~i~0#1 % 256); 29640#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 29641#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 30081#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 30082#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 30095#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 30098#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 30097#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 30096#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 30092#L102-1 [2021-12-06 22:59:51,682 INFO L793 eck$LassoCheckResult]: Loop: 30092#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 30090#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 30088#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 29740#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 29741#L90 assume !(0 == mp_add_~i~0#1 % 256); 30003#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 29611#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 29612#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 29613#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 29614#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 29623#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 29617#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 29618#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 30092#L102-1 [2021-12-06 22:59:51,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:51,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1520812614, now seen corresponding path program 1 times [2021-12-06 22:59:51,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:51,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995221172] [2021-12-06 22:59:51,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:51,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:51,698 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:51,712 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:51,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:51,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 3 times [2021-12-06 22:59:51,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:51,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047274189] [2021-12-06 22:59:51,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:51,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:51,715 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:51,718 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:51,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:51,719 INFO L85 PathProgramCache]: Analyzing trace with hash -2088026333, now seen corresponding path program 2 times [2021-12-06 22:59:51,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:51,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071649474] [2021-12-06 22:59:51,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:51,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:51,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:51,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071649474] [2021-12-06 22:59:51,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071649474] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:51,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845999937] [2021-12-06 22:59:51,808 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:59:51,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:51,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:51,809 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:51,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (122)] Waiting until timeout for monitored process [2021-12-06 22:59:51,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 22:59:51,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:59:51,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:59:51,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-06 22:59:52,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-06 22:59:52,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845999937] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:52,315 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:59:52,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 14 [2021-12-06 22:59:52,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573230793] [2021-12-06 22:59:52,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:52,374 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:52,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:52,374 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:52,374 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:52,374 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:59:52,375 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:52,375 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:52,375 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:52,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration27_Loop [2021-12-06 22:59:52,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:52,375 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:52,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:52,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:52,472 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:52,472 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:59:52,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:52,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:52,473 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:52,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-12-06 22:59:52,474 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:52,474 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:52,488 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 22:59:52,488 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 22:59:52,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-12-06 22:59:52,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:52,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:52,507 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:52,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-12-06 22:59:52,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:52,509 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:52,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-12-06 22:59:52,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:52,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:52,559 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:52,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-12-06 22:59:52,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:59:52,560 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:53,163 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:59:53,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:53,165 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:53,165 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:53,165 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:53,166 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:53,166 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:59:53,166 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,166 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:53,166 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:53,166 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration27_Loop [2021-12-06 22:59:53,166 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:53,166 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:53,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:53,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:53,264 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:53,264 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:59:53,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,265 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-12-06 22:59:53,266 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 [2021-12-06 22:59:53,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:53,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:53,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:53,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:53,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,294 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-12-06 22:59:53,295 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 [2021-12-06 22:59:53,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:53,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:53,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:53,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-12-06 22:59:53,324 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:59:53,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,325 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-12-06 22:59:53,326 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 [2021-12-06 22:59:53,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:53,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,333 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:53,334 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:53,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-12-06 22:59:53,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,359 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-12-06 22:59:53,360 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 [2021-12-06 22:59:53,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:53,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,368 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:53,369 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:53,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:53,391 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:59:53,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,392 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-12-06 22:59:53,393 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 [2021-12-06 22:59:53,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:53,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,400 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:53,401 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:53,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-12-06 22:59:53,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,423 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-12-06 22:59:53,424 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 [2021-12-06 22:59:53,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:53,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,432 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:53,434 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:53,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-12-06 22:59:53,457 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:59:53,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,457 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-12-06 22:59:53,458 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 [2021-12-06 22:59:53,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:53,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,466 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:53,467 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:53,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-12-06 22:59:53,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,489 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-12-06 22:59:53,491 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 [2021-12-06 22:59:53,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:53,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,499 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:53,501 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:53,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:53,524 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:59:53,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,525 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-12-06 22:59:53,526 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 [2021-12-06 22:59:53,533 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,534 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:53,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,534 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:53,535 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:53,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-12-06 22:59:53,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,558 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-12-06 22:59:53,559 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 [2021-12-06 22:59:53,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,566 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:53,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,566 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:53,568 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:53,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-12-06 22:59:53,592 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:59:53,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,593 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-12-06 22:59:53,594 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 [2021-12-06 22:59:53,601 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,601 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:53,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,601 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:53,602 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:53,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-12-06 22:59:53,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,626 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-12-06 22:59:53,628 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 [2021-12-06 22:59:53,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,636 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:53,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,636 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:53,639 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:53,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-12-06 22:59:53,667 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:59:53,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,668 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-12-06 22:59:53,669 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 [2021-12-06 22:59:53,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,676 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:53,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,676 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:53,678 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:53,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-12-06 22:59:53,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,705 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-12-06 22:59:53,706 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 [2021-12-06 22:59:53,713 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,713 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:53,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,713 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:53,717 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:53,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-12-06 22:59:53,750 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:59:53,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,751 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-12-06 22:59:53,752 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 [2021-12-06 22:59:53,759 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,759 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:53,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,759 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:53,760 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:53,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-12-06 22:59:53,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,783 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-12-06 22:59:53,784 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 [2021-12-06 22:59:53,791 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,791 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:53,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,791 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:53,793 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:53,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:53,817 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:59:53,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,818 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-12-06 22:59:53,819 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 [2021-12-06 22:59:53,826 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,826 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:53,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,826 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:53,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:53,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:53,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:53,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:53,854 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:53,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-12-06 22:59:53,855 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 [2021-12-06 22:59:53,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:53,863 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:53,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:53,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:53,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:53,863 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:53,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:53,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:53,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:53,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:53,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:53,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 22:59:53,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:59:53,894 INFO L87 Difference]: Start difference. First operand 499 states and 552 transitions. cyclomatic complexity: 56 Second operand has 14 states, 14 states have (on average 9.857142857142858) internal successors, (138), 14 states have internal predecessors, (138), 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) [2021-12-06 22:59:55,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:55,234 INFO L93 Difference]: Finished difference Result 738 states and 798 transitions. [2021-12-06 22:59:55,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-06 22:59:55,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 738 states and 798 transitions. [2021-12-06 22:59:55,236 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 63 [2021-12-06 22:59:55,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 738 states to 618 states and 670 transitions. [2021-12-06 22:59:55,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 618 [2021-12-06 22:59:55,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 618 [2021-12-06 22:59:55,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 618 states and 670 transitions. [2021-12-06 22:59:55,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:55,239 INFO L681 BuchiCegarLoop]: Abstraction has 618 states and 670 transitions. [2021-12-06 22:59:55,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states and 670 transitions. [2021-12-06 22:59:55,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 446. [2021-12-06 22:59:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 446 states have (on average 1.1031390134529149) internal successors, (492), 445 states have internal predecessors, (492), 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) [2021-12-06 22:59:55,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 492 transitions. [2021-12-06 22:59:55,244 INFO L704 BuchiCegarLoop]: Abstraction has 446 states and 492 transitions. [2021-12-06 22:59:55,244 INFO L587 BuchiCegarLoop]: Abstraction has 446 states and 492 transitions. [2021-12-06 22:59:55,244 INFO L425 BuchiCegarLoop]: ======== Iteration 28============ [2021-12-06 22:59:55,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 446 states and 492 transitions. [2021-12-06 22:59:55,246 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-12-06 22:59:55,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:55,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:55,246 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:55,247 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:55,247 INFO L791 eck$LassoCheckResult]: Stem: 31381#ULTIMATE.startENTRY 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(13, 2); 31373#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 31362#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 31364#L61 assume !(0 == mp_add_~a2~0#1 % 256); 31365#L59-1 mp_add_~nb~0#1 := 4; 31376#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 31394#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 31396#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 31708#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 31709#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 31704#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 31705#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 31700#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 31701#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 31695#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 31696#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 31668#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 31669#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 31664#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 31665#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 31658#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31659#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 31652#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 31653#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 31630#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 31631#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 31620#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 31621#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 31611#L84 assume !(0 == mp_add_~i~0#1 % 256); 31612#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 31601#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 31602#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 31562#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 31560#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31558#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 31556#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 31554#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 31552#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 31550#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 31548#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 31546#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 31544#L84 assume !(0 == mp_add_~i~0#1 % 256); 31542#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 31540#L85-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a2~0#1 % 256; 31538#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 31536#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 31509#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31528#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 31524#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 31471#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 31468#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 31466#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 31464#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 31462#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 31460#L84 assume !(0 == mp_add_~i~0#1 % 256); 31458#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 31456#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 31453#L86-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a3~0#1 % 256; 31454#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 31469#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31470#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 31801#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 31800#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 31799#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 31386#L102-1 [2021-12-06 22:59:55,247 INFO L793 eck$LassoCheckResult]: Loop: 31386#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 31382#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 31383#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 31379#L84 assume !(0 == mp_add_~i~0#1 % 256); 31380#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 31384#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 31385#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 31393#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 31356#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31357#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 31377#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 31369#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 31370#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 31386#L102-1 [2021-12-06 22:59:55,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:55,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1427802756, now seen corresponding path program 1 times [2021-12-06 22:59:55,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:55,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610963443] [2021-12-06 22:59:55,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:55,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:59:55,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:55,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610963443] [2021-12-06 22:59:55,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610963443] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:55,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734048701] [2021-12-06 22:59:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:55,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:55,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:55,341 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:55,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Waiting until timeout for monitored process [2021-12-06 22:59:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:55,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:59:55,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-12-06 22:59:55,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-12-06 22:59:55,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734048701] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:55,906 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:59:55,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2021-12-06 22:59:55,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409642276] [2021-12-06 22:59:55,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:55,907 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:59:55,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:55,907 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 4 times [2021-12-06 22:59:55,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:55,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598649762] [2021-12-06 22:59:55,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:55,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:55,909 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:59:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:59:55,911 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:59:55,973 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:55,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:55,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:55,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:55,973 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:59:55,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:55,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:55,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:55,973 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration28_Loop [2021-12-06 22:59:55,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:55,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:55,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:55,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:56,094 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:56,094 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:59:56,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:56,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:56,095 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:56,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-12-06 22:59:56,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:59:56,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:56,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-12-06 22:59:56,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:56,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:56,157 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:56,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-12-06 22:59:56,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:59:56,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:59:57,010 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:59:57,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-12-06 22:59:57,013 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:59:57,013 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:59:57,013 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:59:57,013 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:59:57,013 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:59:57,013 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,013 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:59:57,013 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:59:57,013 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration28_Loop [2021-12-06 22:59:57,013 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:59:57,013 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:59:57,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:57,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:59:57,145 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:59:57,145 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:59:57,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,146 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-12-06 22:59:57,147 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 [2021-12-06 22:59:57,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:57,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:57,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:57,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:57,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,177 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-12-06 22:59:57,178 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 [2021-12-06 22:59:57,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:57,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:59:57,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:59:57,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2021-12-06 22:59:57,205 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:59:57,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,206 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-12-06 22:59:57,207 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 [2021-12-06 22:59:57,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:57,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,214 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:57,216 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:57,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:57,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,238 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-12-06 22:59:57,240 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 [2021-12-06 22:59:57,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:57,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,248 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:57,248 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:57,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-12-06 22:59:57,268 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:59:57,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,272 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-12-06 22:59:57,273 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 [2021-12-06 22:59:57,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:57,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,280 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:57,282 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:57,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:57,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,305 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-12-06 22:59:57,307 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 [2021-12-06 22:59:57,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:57,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,314 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:57,315 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:57,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-12-06 22:59:57,336 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:59:57,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,337 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-12-06 22:59:57,338 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 [2021-12-06 22:59:57,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:57,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,345 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:57,347 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:57,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-12-06 22:59:57,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,372 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-12-06 22:59:57,373 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 [2021-12-06 22:59:57,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:59:57,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,380 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:57,381 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:57,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-12-06 22:59:57,403 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:59:57,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,404 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-12-06 22:59:57,404 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 [2021-12-06 22:59:57,412 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,412 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:57,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,412 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:57,414 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:57,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-12-06 22:59:57,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,439 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-12-06 22:59:57,440 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 [2021-12-06 22:59:57,447 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,447 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:57,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,447 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:59:57,448 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:59:57,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-12-06 22:59:57,470 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:59:57,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,470 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-12-06 22:59:57,472 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 [2021-12-06 22:59:57,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,480 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:57,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,480 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:57,483 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:57,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-12-06 22:59:57,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,512 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-12-06 22:59:57,512 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 [2021-12-06 22:59:57,519 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,519 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:59:57,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,520 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:57,521 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:57,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-12-06 22:59:57,544 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:59:57,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,545 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-12-06 22:59:57,546 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 [2021-12-06 22:59:57,553 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,553 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:57,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,554 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:57,557 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:57,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:57,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,590 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-12-06 22:59:57,592 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 [2021-12-06 22:59:57,600 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,600 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:57,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,600 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:59:57,602 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:59:57,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:57,627 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:59:57,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,628 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-12-06 22:59:57,629 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 [2021-12-06 22:59:57,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,636 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:57,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,636 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:57,639 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:57,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:57,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,663 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-12-06 22:59:57,664 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 [2021-12-06 22:59:57,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,671 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:59:57,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,671 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:59:57,673 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:59:57,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2021-12-06 22:59:57,695 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:59:57,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,696 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-12-06 22:59:57,696 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 [2021-12-06 22:59:57,704 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,704 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:57,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,704 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:57,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:57,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-12-06 22:59:57,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:59:57,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:57,747 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:59:57,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-12-06 22:59:57,748 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 [2021-12-06 22:59:57,755 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:59:57,755 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:59:57,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:59:57,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:59:57,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:59:57,755 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:59:57,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:59:57,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:59:57,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:59:57,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-12-06 22:59:57,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:59:57,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 22:59:57,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:59:57,797 INFO L87 Difference]: Start difference. First operand 446 states and 492 transitions. cyclomatic complexity: 49 Second operand has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 14 states have internal predecessors, (137), 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) [2021-12-06 22:59:59,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:59,456 INFO L93 Difference]: Finished difference Result 591 states and 638 transitions. [2021-12-06 22:59:59,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-06 22:59:59,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 591 states and 638 transitions. [2021-12-06 22:59:59,458 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2021-12-06 22:59:59,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 591 states to 343 states and 370 transitions. [2021-12-06 22:59:59,459 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 343 [2021-12-06 22:59:59,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 343 [2021-12-06 22:59:59,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 343 states and 370 transitions. [2021-12-06 22:59:59,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:59:59,460 INFO L681 BuchiCegarLoop]: Abstraction has 343 states and 370 transitions. [2021-12-06 22:59:59,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states and 370 transitions. [2021-12-06 22:59:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 234. [2021-12-06 22:59:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 234 states have (on average 1.0897435897435896) internal successors, (255), 233 states have internal predecessors, (255), 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) [2021-12-06 22:59:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 255 transitions. [2021-12-06 22:59:59,463 INFO L704 BuchiCegarLoop]: Abstraction has 234 states and 255 transitions. [2021-12-06 22:59:59,463 INFO L587 BuchiCegarLoop]: Abstraction has 234 states and 255 transitions. [2021-12-06 22:59:59,463 INFO L425 BuchiCegarLoop]: ======== Iteration 29============ [2021-12-06 22:59:59,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 234 states and 255 transitions. [2021-12-06 22:59:59,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 22:59:59,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:59:59,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:59:59,464 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:59,464 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:59,464 INFO L791 eck$LassoCheckResult]: Stem: 32856#ULTIMATE.startENTRY 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(13, 2); 32847#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 32836#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 32838#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 32840#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 32841#L59-1 mp_add_~nb~0#1 := 4; 33026#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 33025#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 33024#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 33023#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 33022#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 33021#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 33020#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 33019#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 33018#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 33017#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 33016#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 33015#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 33014#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 33013#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 33012#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 33011#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 33010#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 33009#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 33008#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 33007#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 33006#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 33005#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 33004#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 33003#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 33002#L90 assume !(0 == mp_add_~i~0#1 % 256); 33000#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 33001#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 33041#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 33040#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 33039#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 33038#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 33037#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 33036#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 33035#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 33034#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 33033#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 33031#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 33030#L90 assume !(0 == mp_add_~i~0#1 % 256); 33029#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 33027#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 33028#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 33062#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 33061#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 33060#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 33059#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 33057#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 33055#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 33053#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 33051#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 32849#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 32861#L90 assume !(0 == mp_add_~i~0#1 % 256); 32862#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 32868#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 33042#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 33043#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 33058#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 33065#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 33064#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 33063#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 32860#L102-1 [2021-12-06 22:59:59,464 INFO L793 eck$LassoCheckResult]: Loop: 32860#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 32857#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 32858#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 32863#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 33045#L90 assume !(0 == mp_add_~i~0#1 % 256); 33047#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 32834#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 32835#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 32832#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 32833#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 32851#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 32843#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 32844#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 32860#L102-1 [2021-12-06 22:59:59,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:59,464 INFO L85 PathProgramCache]: Analyzing trace with hash 630669467, now seen corresponding path program 1 times [2021-12-06 22:59:59,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:59:59,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154313997] [2021-12-06 22:59:59,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:59,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:59:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 22:59:59,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:59:59,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154313997] [2021-12-06 22:59:59,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154313997] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:59:59,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012412330] [2021-12-06 22:59:59,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:59,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:59:59,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:59:59,614 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:59:59,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Waiting until timeout for monitored process [2021-12-06 22:59:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:59,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 22:59:59,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-06 23:00:00,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:00:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 29 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 23:00:00,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012412330] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:00:00,225 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:00:00,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 10] total 24 [2021-12-06 23:00:00,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609575703] [2021-12-06 23:00:00,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:00:00,226 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:00:00,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:00,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 4 times [2021-12-06 23:00:00,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:00:00,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633227464] [2021-12-06 23:00:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:00,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:00:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:00:00,228 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:00:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:00:00,230 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:00:00,289 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:00:00,289 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:00:00,289 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:00:00,289 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:00:00,289 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 23:00:00,289 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:00,289 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:00:00,289 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:00:00,289 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration29_Loop [2021-12-06 23:00:00,289 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:00:00,289 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:00:00,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:00:00,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:00:00,397 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:00:00,398 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 23:00:00,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:00,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:00,398 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:00,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-12-06 23:00:00,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:00:00,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:00:00,414 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:00:00,414 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 23:00:00,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-12-06 23:00:00,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:00,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:00,433 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:00,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-12-06 23:00:00,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:00:00,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:00:00,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2021-12-06 23:00:00,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:00,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:00,498 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:00,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-12-06 23:00:00,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 23:00:00,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:00:01,184 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 23:00:01,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-12-06 23:00:01,187 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:00:01,187 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:00:01,187 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:00:01,187 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:00:01,187 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:00:01,187 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,187 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:00:01,187 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:00:01,187 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration29_Loop [2021-12-06 23:00:01,187 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:00:01,187 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:00:01,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:00:01,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:00:01,302 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:00:01,303 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:00:01,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,303 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-12-06 23:00:01,304 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 [2021-12-06 23:00:01,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:00:01,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:00:01,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:00:01,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2021-12-06 23:00:01,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,332 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-12-06 23:00:01,333 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 [2021-12-06 23:00:01,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:00:01,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:00:01,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:00:01,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-12-06 23:00:01,361 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 23:00:01,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,362 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-12-06 23:00:01,363 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 [2021-12-06 23:00:01,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:00:01,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,370 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:00:01,371 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:00:01,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2021-12-06 23:00:01,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,392 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-12-06 23:00:01,393 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 [2021-12-06 23:00:01,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:00:01,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,401 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:00:01,402 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:00:01,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2021-12-06 23:00:01,424 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 23:00:01,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,424 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-12-06 23:00:01,426 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 [2021-12-06 23:00:01,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:00:01,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,434 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:00:01,435 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:00:01,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-12-06 23:00:01,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,456 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-12-06 23:00:01,457 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 [2021-12-06 23:00:01,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:00:01,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,465 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:00:01,466 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:00:01,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2021-12-06 23:00:01,489 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 23:00:01,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,490 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-12-06 23:00:01,491 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 [2021-12-06 23:00:01,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:00:01,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,499 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:00:01,500 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:00:01,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-12-06 23:00:01,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,523 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-12-06 23:00:01,524 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 [2021-12-06 23:00:01,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:00:01,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,531 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:00:01,534 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:00:01,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-12-06 23:00:01,560 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 23:00:01,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,561 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-12-06 23:00:01,562 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 [2021-12-06 23:00:01,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,569 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:00:01,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,569 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:00:01,570 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:00:01,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2021-12-06 23:00:01,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,592 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-12-06 23:00:01,594 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 [2021-12-06 23:00:01,600 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,600 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:00:01,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,601 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:00:01,602 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:00:01,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Forceful destruction successful, exit code 0 [2021-12-06 23:00:01,627 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 23:00:01,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,628 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-12-06 23:00:01,628 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 [2021-12-06 23:00:01,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,636 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:00:01,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,637 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:00:01,638 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:00:01,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-12-06 23:00:01,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,662 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-12-06 23:00:01,663 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 [2021-12-06 23:00:01,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,671 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:00:01,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,671 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:00:01,673 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:00:01,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2021-12-06 23:00:01,701 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 23:00:01,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,702 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-12-06 23:00:01,703 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 [2021-12-06 23:00:01,710 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,710 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:00:01,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,710 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:00:01,712 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:00:01,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2021-12-06 23:00:01,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,738 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-12-06 23:00:01,739 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 [2021-12-06 23:00:01,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,747 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:00:01,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,747 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:00:01,751 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:00:01,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2021-12-06 23:00:01,785 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 23:00:01,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,786 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-12-06 23:00:01,788 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 [2021-12-06 23:00:01,795 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,796 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:00:01,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,796 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:00:01,797 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:00:01,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2021-12-06 23:00:01,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,819 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-12-06 23:00:01,821 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 [2021-12-06 23:00:01,828 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,828 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:00:01,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,829 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:00:01,830 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:00:01,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2021-12-06 23:00:01,854 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 23:00:01,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,855 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-12-06 23:00:01,856 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 [2021-12-06 23:00:01,864 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,864 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:00:01,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,864 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:00:01,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:00:01,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2021-12-06 23:00:01,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:00:01,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:01,890 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:00:01,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-12-06 23:00:01,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:00:01,899 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:00:01,899 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:00:01,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:00:01,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:00:01,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:00:01,899 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:00:01,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:00:01,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:00:01,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:00:01,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2021-12-06 23:00:01,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:00:01,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-06 23:00:01,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-12-06 23:00:01,930 INFO L87 Difference]: Start difference. First operand 234 states and 255 transitions. cyclomatic complexity: 22 Second operand has 24 states, 24 states have (on average 5.541666666666667) internal successors, (133), 24 states have internal predecessors, (133), 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) [2021-12-06 23:00:02,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:02,402 INFO L93 Difference]: Finished difference Result 341 states and 363 transitions. [2021-12-06 23:00:02,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 23:00:02,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 341 states and 363 transitions. [2021-12-06 23:00:02,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 23:00:02,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 341 states to 245 states and 262 transitions. [2021-12-06 23:00:02,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 245 [2021-12-06 23:00:02,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 245 [2021-12-06 23:00:02,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 245 states and 262 transitions. [2021-12-06 23:00:02,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:00:02,405 INFO L681 BuchiCegarLoop]: Abstraction has 245 states and 262 transitions. [2021-12-06 23:00:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states and 262 transitions. [2021-12-06 23:00:02,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 234. [2021-12-06 23:00:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 234 states have (on average 1.0726495726495726) internal successors, (251), 233 states have internal predecessors, (251), 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) [2021-12-06 23:00:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 251 transitions. [2021-12-06 23:00:02,407 INFO L704 BuchiCegarLoop]: Abstraction has 234 states and 251 transitions. [2021-12-06 23:00:02,408 INFO L587 BuchiCegarLoop]: Abstraction has 234 states and 251 transitions. [2021-12-06 23:00:02,408 INFO L425 BuchiCegarLoop]: ======== Iteration 30============ [2021-12-06 23:00:02,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 234 states and 251 transitions. [2021-12-06 23:00:02,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 23:00:02,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:00:02,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:00:02,409 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:02,409 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:02,409 INFO L791 eck$LassoCheckResult]: Stem: 33848#ULTIMATE.startENTRY 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(13, 2); 33839#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 33828#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 33830#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 33832#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 33833#L59-1 mp_add_~nb~0#1 := 4; 33844#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 33845#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 33860#L73 assume !(0 == mp_add_~b1~0#1 % 256); 33861#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 33984#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 33985#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 33846#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 33847#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 33888#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 33887#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 33885#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 33886#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 34031#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 33880#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 33881#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 33877#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 33875#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 33876#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 33872#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 33870#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 33871#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 34021#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 34019#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 34017#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34015#L90 assume !(0 == mp_add_~i~0#1 % 256); 34013#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 34011#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34009#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34007#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34005#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34003#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 34001#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 33999#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 33997#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 33995#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 33991#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 33990#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 33989#L90 assume !(0 == mp_add_~i~0#1 % 256); 33988#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 33986#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 33987#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34054#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34053#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34052#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34051#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 34049#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 34047#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 33849#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 33850#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 33841#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 33854#L90 assume !(0 == mp_add_~i~0#1 % 256); 33855#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 33859#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34034#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 34035#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34050#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34057#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34056#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 34055#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 33852#L102-1 [2021-12-06 23:00:02,409 INFO L793 eck$LassoCheckResult]: Loop: 33852#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 33853#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 34044#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 34042#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34037#L90 assume !(0 == mp_add_~i~0#1 % 256); 34039#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 33824#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 33825#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 33826#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 33827#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 33843#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 33835#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 33836#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 33852#L102-1 [2021-12-06 23:00:02,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:02,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1891586717, now seen corresponding path program 1 times [2021-12-06 23:00:02,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:00:02,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325543736] [2021-12-06 23:00:02,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:02,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:00:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 23:00:02,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:00:02,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325543736] [2021-12-06 23:00:02,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325543736] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:00:02,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378264383] [2021-12-06 23:00:02,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:02,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:00:02,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:00:02,507 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:00:02,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (187)] Waiting until timeout for monitored process [2021-12-06 23:00:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:02,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:00:02,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:01:05,129 WARN L227 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 23:01:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-06 23:01:06,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:01:06,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378264383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:01:06,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:01:06,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2021-12-06 23:01:06,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257827166] [2021-12-06 23:01:06,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:01:06,174 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:01:06,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:01:06,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 5 times [2021-12-06 23:01:06,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:01:06,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274956801] [2021-12-06 23:01:06,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:06,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:01:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:01:06,177 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:01:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:01:06,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:01:06,388 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:01:06,389 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:01:06,389 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:01:06,389 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:01:06,389 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 23:01:06,389 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:06,389 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:01:06,389 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:01:06,389 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration30_Loop [2021-12-06 23:01:06,389 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:01:06,389 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:01:06,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:01:06,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:01:06,732 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:01:06,732 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 23:01:06,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:06,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:06,733 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:06,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-12-06 23:01:06,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:01:06,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:01:06,750 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:01:06,750 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 23:01:06,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2021-12-06 23:01:06,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:06,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:06,769 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:06,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-12-06 23:01:06,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:01:06,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:01:06,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2021-12-06 23:01:06,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:06,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:06,817 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:06,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-12-06 23:01:06,818 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 23:01:06,818 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:01:07,335 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 23:01:07,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:07,338 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:01:07,338 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:01:07,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:01:07,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:01:07,338 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:01:07,338 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:07,338 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:01:07,338 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:01:07,338 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration30_Loop [2021-12-06 23:01:07,338 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:01:07,338 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:01:07,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:01:07,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:01:07,756 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:01:07,756 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:01:07,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:07,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:07,757 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:07,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-12-06 23:01:07,758 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 [2021-12-06 23:01:07,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:07,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:07,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:07,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:07,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:01:07,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:01:07,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:07,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:07,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2021-12-06 23:01:07,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:07,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:07,789 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:07,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-12-06 23:01:07,790 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 [2021-12-06 23:01:07,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:07,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:07,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:07,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:07,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:01:07,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:01:07,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:07,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:07,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:07,818 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 23:01:07,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:07,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:07,819 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:07,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-12-06 23:01:07,820 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 [2021-12-06 23:01:07,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:07,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:07,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:07,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:07,828 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:01:07,830 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:01:07,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:07,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:07,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2021-12-06 23:01:07,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:07,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:07,852 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:07,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-12-06 23:01:07,853 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 [2021-12-06 23:01:07,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:07,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:07,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:07,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:07,860 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:01:07,861 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:01:07,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:07,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:07,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2021-12-06 23:01:07,881 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 23:01:07,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:07,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:07,881 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:07,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-12-06 23:01:07,883 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 [2021-12-06 23:01:07,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:07,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:07,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:07,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:07,891 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:07,893 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:07,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:07,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:07,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2021-12-06 23:01:07,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:07,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:07,917 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:07,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-12-06 23:01:07,918 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 [2021-12-06 23:01:07,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:07,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:07,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:07,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:07,925 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:07,926 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:07,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:07,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:07,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2021-12-06 23:01:07,947 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 23:01:07,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:07,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:07,948 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:07,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-12-06 23:01:07,949 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 [2021-12-06 23:01:07,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:07,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:07,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:07,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:07,956 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:01:07,958 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:01:07,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:07,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:07,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2021-12-06 23:01:07,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:07,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:07,982 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:07,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-12-06 23:01:07,984 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 [2021-12-06 23:01:07,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:07,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:07,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:07,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:07,991 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:01:07,992 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:01:07,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:07,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2021-12-06 23:01:08,014 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 23:01:08,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,014 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-12-06 23:01:08,015 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 [2021-12-06 23:01:08,023 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,023 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:01:08,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,023 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:01:08,025 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:01:08,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-12-06 23:01:08,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,050 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-12-06 23:01:08,051 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 [2021-12-06 23:01:08,059 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,059 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:01:08,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,059 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:01:08,060 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:01:08,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2021-12-06 23:01:08,083 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 23:01:08,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,083 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-12-06 23:01:08,084 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 [2021-12-06 23:01:08,092 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,092 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:01:08,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,092 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:08,094 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:08,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2021-12-06 23:01:08,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,124 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-12-06 23:01:08,125 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 [2021-12-06 23:01:08,132 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,132 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:01:08,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,133 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:08,134 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:08,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2021-12-06 23:01:08,157 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 23:01:08,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,158 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-12-06 23:01:08,159 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 [2021-12-06 23:01:08,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,167 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:01:08,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,167 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:01:08,171 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:01:08,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:08,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,204 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-12-06 23:01:08,205 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 [2021-12-06 23:01:08,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,213 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:01:08,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,213 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:01:08,214 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:01:08,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:08,240 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 23:01:08,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,241 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-12-06 23:01:08,242 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 [2021-12-06 23:01:08,249 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,249 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:01:08,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,249 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:08,251 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:08,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2021-12-06 23:01:08,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,276 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-12-06 23:01:08,278 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 [2021-12-06 23:01:08,285 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,285 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:01:08,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,285 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:08,286 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:08,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:08,308 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 23:01:08,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,309 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-12-06 23:01:08,310 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 [2021-12-06 23:01:08,316 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,316 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:01:08,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,317 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:01:08,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:01:08,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2021-12-06 23:01:08,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:08,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,348 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-12-06 23:01:08,350 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 [2021-12-06 23:01:08,358 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:08,358 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:01:08,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:08,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:08,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:08,358 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:01:08,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:01:08,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:08,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:08,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:08,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:01:08,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:01:08,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=132, Unknown=3, NotChecked=0, Total=182 [2021-12-06 23:01:08,385 INFO L87 Difference]: Start difference. First operand 234 states and 251 transitions. cyclomatic complexity: 18 Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-12-06 23:01:08,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:01:08,413 INFO L93 Difference]: Finished difference Result 235 states and 251 transitions. [2021-12-06 23:01:08,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:01:08,414 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 235 states and 251 transitions. [2021-12-06 23:01:08,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 23:01:08,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 235 states to 221 states and 235 transitions. [2021-12-06 23:01:08,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2021-12-06 23:01:08,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2021-12-06 23:01:08,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 235 transitions. [2021-12-06 23:01:08,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:01:08,416 INFO L681 BuchiCegarLoop]: Abstraction has 221 states and 235 transitions. [2021-12-06 23:01:08,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 235 transitions. [2021-12-06 23:01:08,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 156. [2021-12-06 23:01:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.0705128205128205) internal successors, (167), 155 states have internal predecessors, (167), 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) [2021-12-06 23:01:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 167 transitions. [2021-12-06 23:01:08,418 INFO L704 BuchiCegarLoop]: Abstraction has 156 states and 167 transitions. [2021-12-06 23:01:08,418 INFO L587 BuchiCegarLoop]: Abstraction has 156 states and 167 transitions. [2021-12-06 23:01:08,418 INFO L425 BuchiCegarLoop]: ======== Iteration 31============ [2021-12-06 23:01:08,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 167 transitions. [2021-12-06 23:01:08,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 23:01:08,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:01:08,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:01:08,419 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:01:08,419 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:01:08,419 INFO L791 eck$LassoCheckResult]: Stem: 34522#ULTIMATE.startENTRY 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(13, 2); 34515#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~ret3#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 34506#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 34508#L61 assume !(0 == mp_add_~a2~0#1 % 256); 34509#L59-1 mp_add_~nb~0#1 := 4; 34518#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 34513#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 34514#L73 assume !(0 == mp_add_~b1~0#1 % 256); 34531#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 34524#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 34525#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 34520#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 34521#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 34552#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 34551#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 34550#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34549#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 34548#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 34547#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34546#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34545#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34544#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 34543#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34542#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 34541#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 34540#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 34539#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 34538#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 34537#L84 assume !(0 == mp_add_~i~0#1 % 256); 34535#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 34536#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 34633#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 34632#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34631#L90 assume !(0 == mp_add_~i~0#1 % 256); 34630#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 34629#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34628#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34627#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34626#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34625#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 34624#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 34623#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 34622#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 34621#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 34580#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 34578#L84 assume !(0 == mp_add_~i~0#1 % 256); 34565#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 34566#L85-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a2~0#1 % 256; 34561#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 34562#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34557#L90 assume !(0 == mp_add_~i~0#1 % 256); 34558#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 34553#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 34554#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34654#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34653#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34652#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34650#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 34648#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 34646#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 34644#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 34642#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 34517#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34640#L90 assume !(0 == mp_add_~i~0#1 % 256); 34532#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 34533#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34635#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 34636#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34651#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34657#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34656#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 34655#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 34526#L102-1 [2021-12-06 23:01:08,419 INFO L793 eck$LassoCheckResult]: Loop: 34526#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 34529#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 34634#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 34534#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34527#L90 assume !(0 == mp_add_~i~0#1 % 256); 34528#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 34502#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34503#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34504#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34505#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34519#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34511#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 34512#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 34526#L102-1 [2021-12-06 23:01:08,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:01:08,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1112990110, now seen corresponding path program 1 times [2021-12-06 23:01:08,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:01:08,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212626685] [2021-12-06 23:01:08,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:08,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:01:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:01:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 27 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:01:08,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:01:08,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212626685] [2021-12-06 23:01:08,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212626685] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:01:08,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501363846] [2021-12-06 23:01:08,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:08,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:01:08,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:08,796 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:01:08,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (209)] Waiting until timeout for monitored process [2021-12-06 23:01:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:01:08,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:01:08,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:01:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 23:01:10,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:01:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 15 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 23:01:11,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501363846] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:01:11,430 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:01:11,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 9] total 23 [2021-12-06 23:01:11,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409116418] [2021-12-06 23:01:11,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:01:11,430 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:01:11,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:01:11,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 6 times [2021-12-06 23:01:11,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:01:11,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393051728] [2021-12-06 23:01:11,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:11,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:01:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:01:11,433 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:01:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:01:11,435 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:01:11,661 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:01:11,661 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:01:11,661 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:01:11,661 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:01:11,662 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 23:01:11,662 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:11,662 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:01:11,662 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:01:11,662 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration31_Loop [2021-12-06 23:01:11,662 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:01:11,662 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:01:11,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:01:11,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:01:12,012 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:01:12,012 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 23:01:12,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:12,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:12,013 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:12,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-12-06 23:01:12,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:01:12,015 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:01:12,030 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:01:12,030 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 23:01:12,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2021-12-06 23:01:12,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:12,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:12,049 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:12,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-12-06 23:01:12,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:01:12,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:01:12,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2021-12-06 23:01:12,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:12,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:12,097 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:12,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-12-06 23:01:12,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 23:01:12,099 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:01:12,630 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 23:01:12,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2021-12-06 23:01:12,633 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:01:12,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:01:12,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:01:12,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:01:12,633 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:01:12,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:12,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:01:12,633 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:01:12,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration31_Loop [2021-12-06 23:01:12,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:01:12,634 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:01:12,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:01:12,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:01:12,986 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:01:12,986 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:01:12,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:12,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:12,987 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:12,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-12-06 23:01:12,988 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 [2021-12-06 23:01:12,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:12,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:12,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:12,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:12,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:01:12,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:01:12,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2021-12-06 23:01:13,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,021 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-12-06 23:01:13,022 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 [2021-12-06 23:01:13,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:13,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:01:13,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:01:13,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2021-12-06 23:01:13,049 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 23:01:13,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,050 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-12-06 23:01:13,051 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 [2021-12-06 23:01:13,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:13,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,059 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:01:13,060 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:01:13,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2021-12-06 23:01:13,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,082 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-12-06 23:01:13,083 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 [2021-12-06 23:01:13,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:13,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,091 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:01:13,092 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:01:13,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2021-12-06 23:01:13,113 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 23:01:13,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,113 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-12-06 23:01:13,115 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 [2021-12-06 23:01:13,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:13,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,123 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:13,125 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:13,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2021-12-06 23:01:13,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,148 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2021-12-06 23:01:13,150 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 [2021-12-06 23:01:13,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:13,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,157 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:13,157 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:13,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Ended with exit code 0 [2021-12-06 23:01:13,178 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 23:01:13,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,179 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-12-06 23:01:13,180 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 [2021-12-06 23:01:13,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:13,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,188 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:01:13,190 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:01:13,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2021-12-06 23:01:13,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,215 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-12-06 23:01:13,216 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 [2021-12-06 23:01:13,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:01:13,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,224 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:01:13,225 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:01:13,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2021-12-06 23:01:13,246 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 23:01:13,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,247 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-12-06 23:01:13,248 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 [2021-12-06 23:01:13,255 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,255 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:01:13,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,256 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:01:13,257 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:01:13,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:13,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,286 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-12-06 23:01:13,287 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 [2021-12-06 23:01:13,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,294 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:01:13,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,294 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:01:13,295 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:01:13,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Ended with exit code 0 [2021-12-06 23:01:13,317 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 23:01:13,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,318 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2021-12-06 23:01:13,319 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 [2021-12-06 23:01:13,326 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,326 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:01:13,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,326 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:13,329 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:13,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2021-12-06 23:01:13,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,357 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2021-12-06 23:01:13,359 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 [2021-12-06 23:01:13,367 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,367 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:01:13,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,367 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:13,369 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:13,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:13,392 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 23:01:13,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,393 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2021-12-06 23:01:13,394 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 [2021-12-06 23:01:13,401 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,401 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:01:13,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,401 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:01:13,404 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:01:13,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:13,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,440 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2021-12-06 23:01:13,442 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 [2021-12-06 23:01:13,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,449 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:01:13,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,449 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:01:13,451 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:01:13,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2021-12-06 23:01:13,476 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 23:01:13,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,477 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2021-12-06 23:01:13,479 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 [2021-12-06 23:01:13,487 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,487 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:01:13,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,487 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:13,490 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:13,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2021-12-06 23:01:13,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,515 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2021-12-06 23:01:13,516 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 [2021-12-06 23:01:13,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,524 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:01:13,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,524 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:01:13,527 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:01:13,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2021-12-06 23:01:13,548 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 23:01:13,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,549 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2021-12-06 23:01:13,551 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 [2021-12-06 23:01:13,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,559 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:01:13,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,559 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:01:13,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:01:13,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Ended with exit code 0 [2021-12-06 23:01:13,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:01:13,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:01:13,591 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:01:13,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2021-12-06 23:01:13,592 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 [2021-12-06 23:01:13,600 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:01:13,600 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:01:13,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:01:13,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:01:13,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:01:13,600 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:01:13,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:01:13,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:01:13,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:01:13,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2021-12-06 23:01:13,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:01:13,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-06 23:01:13,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2021-12-06 23:01:13,627 INFO L87 Difference]: Start difference. First operand 156 states and 167 transitions. cyclomatic complexity: 12 Second operand has 23 states, 23 states have (on average 8.0) internal successors, (184), 23 states have internal predecessors, (184), 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) [2021-12-06 23:01:15,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:01:15,078 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2021-12-06 23:01:15,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 23:01:15,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 102 transitions. [2021-12-06 23:01:15,079 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:01:15,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 0 states and 0 transitions. [2021-12-06 23:01:15,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 23:01:15,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 23:01:15,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 23:01:15,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:01:15,079 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:01:15,079 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:01:15,079 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:01:15,079 INFO L425 BuchiCegarLoop]: ======== Iteration 32============ [2021-12-06 23:01:15,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:01:15,079 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:01:15,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 23:01:15,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 11:01:15 BoogieIcfgContainer [2021-12-06 23:01:15,084 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 23:01:15,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:01:15,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:01:15,084 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:01:15,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:59:30" (3/4) ... [2021-12-06 23:01:15,086 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:01:15,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:01:15,087 INFO L158 Benchmark]: Toolchain (without parser) took 105037.63ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 45.3MB in the beginning and 81.2MB in the end (delta: -35.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-12-06 23:01:15,087 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:01:15,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.08ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 54.8MB in the end (delta: -9.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 23:01:15,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.48ms. Allocated memory is still 83.9MB. Free memory was 54.7MB in the beginning and 52.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:01:15,088 INFO L158 Benchmark]: Boogie Preprocessor took 17.67ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 51.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:01:15,088 INFO L158 Benchmark]: RCFGBuilder took 259.67ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 39.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 23:01:15,088 INFO L158 Benchmark]: BuchiAutomizer took 104527.23ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 39.1MB in the beginning and 82.3MB in the end (delta: -43.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-12-06 23:01:15,088 INFO L158 Benchmark]: Witness Printer took 2.23ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:01:15,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.08ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 54.8MB in the end (delta: -9.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.48ms. Allocated memory is still 83.9MB. Free memory was 54.7MB in the beginning and 52.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.67ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 51.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 259.67ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 39.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 104527.23ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 39.1MB in the beginning and 82.3MB in the end (delta: -43.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 2.23ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.0MB). 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 31 terminating modules (31 trivial, 0 deterministic, 0 nondeterministic). 31 modules have a trivial ranking function, the largest among these consists of 24 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 104.4s and 32 iterations. TraceHistogramMax:7. Analysis of lassos took 93.0s. Construction of modules took 6.3s. Büchi inclusion checks took 4.4s. Highest rank in rank-based complementation 0. Minimization of det autom 31. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 30 MinimizatonAttempts, 6064 StatesRemovedByMinimization, 30 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 1312 states and ocurred in iteration 20. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4905 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4905 mSDsluCounter, 5237 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 149 IncrementalHoareTripleChecker+Unchecked, 3702 mSDsCounter, 587 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10566 IncrementalHoareTripleChecker+Invalid, 11302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 587 mSolverCounterUnsat, 1535 mSDtfsCounter, 10566 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI12 SFLT0 conc3 concLT0 SILN0 SILU7 SILI9 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div393 bol100 ite100 ukn100 eq146 hnf47 smp69 dnf100 smp100 tf102 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 17ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 10 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 7.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 23:01:15,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (209)] Ended with exit code 0 [2021-12-06 23:01:15,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (187)] Ended with exit code 0 [2021-12-06 23:01:15,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Ended with exit code 0 [2021-12-06 23:01:15,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Ended with exit code 0 [2021-12-06 23:01:15,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (122)] Ended with exit code 0 [2021-12-06 23:01:16,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2021-12-06 23:01:16,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-06 23:01:16,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-06 23:01:16,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:16,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-06 23:01:17,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 23:01:17,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 23:01:17,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 23:01:17,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 23:01:17,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 23:01:18,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 23:01:18,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 23:01:18,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 23:01:18,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 23:01:18,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 23:01:19,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:01:19,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-06 23:01:19,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1600bf-5175-411c-976a-d5c21bef7263/bin/uautomizer-DrprNOufMa/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