./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:45:14,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:45:14,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:45:14,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:45:14,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:45:14,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:45:14,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:45:14,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:45:14,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:45:14,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:45:14,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:45:14,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:45:14,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:45:14,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:45:14,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:45:14,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:45:14,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:45:14,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:45:14,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:45:14,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:45:14,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:45:14,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:45:14,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:45:14,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:45:14,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:45:14,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:45:14,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:45:14,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:45:14,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:45:14,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:45:14,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:45:14,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:45:14,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:45:14,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:45:14,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:45:14,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:45:14,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:45:14,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:45:14,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:45:14,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:45:14,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:45:14,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:45:14,574 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:45:14,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:45:14,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:45:14,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:45:14,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:45:14,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:45:14,584 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:45:14,584 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:45:14,584 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:45:14,584 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:45:14,585 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:45:14,586 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:45:14,586 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:45:14,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:45:14,586 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:45:14,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:45:14,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:45:14,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:45:14,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:45:14,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:45:14,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:45:14,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:45:14,588 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:45:14,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:45:14,589 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:45:14,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:45:14,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:45:14,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:45:14,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:45:14,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:45:14,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:45:14,592 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:45:14,592 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_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 [2022-11-02 20:45:14,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:45:15,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:45:15,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:45:15,011 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:45:15,012 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:45:15,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/bitvector/byte_add-1.i [2022-11-02 20:45:15,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/data/36f380404/ae58a78cf3524f9094ba24123159cfed/FLAG02ecede8c [2022-11-02 20:45:15,734 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:45:15,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/sv-benchmarks/c/bitvector/byte_add-1.i [2022-11-02 20:45:15,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/data/36f380404/ae58a78cf3524f9094ba24123159cfed/FLAG02ecede8c [2022-11-02 20:45:16,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/data/36f380404/ae58a78cf3524f9094ba24123159cfed [2022-11-02 20:45:16,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:45:16,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:45:16,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:16,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:45:16,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:45:16,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6520a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16, skipping insertion in model container [2022-11-02 20:45:16,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:45:16,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:45:16,303 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_957358d5-1cf8-4e0e-b1e2-22af93a3200c/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2022-11-02 20:45:16,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:16,385 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:45:16,410 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_957358d5-1cf8-4e0e-b1e2-22af93a3200c/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2022-11-02 20:45:16,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:16,448 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:45:16,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16 WrapperNode [2022-11-02 20:45:16,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:16,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:16,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:45:16,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:45:16,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,533 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 124 [2022-11-02 20:45:16,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:16,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:45:16,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:45:16,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:45:16,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,581 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:45:16,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:45:16,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:45:16,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:45:16,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (1/1) ... [2022-11-02 20:45:16,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:16,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:16,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:45:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:45:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:45:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:45:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:45:16,783 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:45:16,785 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:45:17,449 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:45:17,457 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:45:17,466 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:45:17,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:17 BoogieIcfgContainer [2022-11-02 20:45:17,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:45:17,470 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:45:17,470 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:45:17,478 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:45:17,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:45:17,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:45:16" (1/3) ... [2022-11-02 20:45:17,489 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7aea43e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:45:17, skipping insertion in model container [2022-11-02 20:45:17,490 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:45:17,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:16" (2/3) ... [2022-11-02 20:45:17,490 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7aea43e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:45:17, skipping insertion in model container [2022-11-02 20:45:17,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:45:17,491 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:17" (3/3) ... [2022-11-02 20:45:17,492 INFO L332 chiAutomizerObserver]: Analyzing ICFG byte_add-1.i [2022-11-02 20:45:17,553 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:45:17,553 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:45:17,553 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:45:17,553 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:45:17,553 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:45:17,554 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:45:17,554 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:45:17,554 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:45:17,559 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) [2022-11-02 20:45:17,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2022-11-02 20:45:17,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:17,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:17,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:45:17,590 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:17,590 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:45:17,591 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) [2022-11-02 20:45:17,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2022-11-02 20:45:17,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:17,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:17,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:45:17,596 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:17,604 INFO L748 eck$LassoCheckResult]: Stem: 21#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); 12#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; 4#L59true assume !(0 == mp_add_~a3~0#1 % 256); 16#L59-1true mp_add_~nb~0#1 := 4; 18#L69true assume !(0 == mp_add_~b3~0#1 % 256); 35#L69-1true mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 23#L80-2true [2022-11-02 20:45:17,605 INFO L750 eck$LassoCheckResult]: Loop: 23#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; 32#L83true assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 41#L83-1true assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7#L89true assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 39#L95-1true assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 17#L99-1true assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 11#L100-1true assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 27#L101-1true assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 30#L102-1true mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 23#L80-2true [2022-11-02 20:45:17,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:17,612 INFO L85 PathProgramCache]: Analyzing trace with hash 889938151, now seen corresponding path program 1 times [2022-11-02 20:45:17,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:17,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632581076] [2022-11-02 20:45:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:17,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:17,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:17,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:17,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:17,881 INFO L85 PathProgramCache]: Analyzing trace with hash 318197182, now seen corresponding path program 1 times [2022-11-02 20:45:17,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:17,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837708671] [2022-11-02 20:45:17,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:17,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:18,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:18,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837708671] [2022-11-02 20:45:18,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837708671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:18,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:18,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:45:18,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747484045] [2022-11-02 20:45:18,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:18,088 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:18,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:18,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:18,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:18,171 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) [2022-11-02 20:45:18,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:18,377 INFO L93 Difference]: Finished difference Result 64 states and 94 transitions. [2022-11-02 20:45:18,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 94 transitions. [2022-11-02 20:45:18,382 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2022-11-02 20:45:18,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 56 states and 86 transitions. [2022-11-02 20:45:18,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2022-11-02 20:45:18,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2022-11-02 20:45:18,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 86 transitions. [2022-11-02 20:45:18,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:18,390 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 86 transitions. [2022-11-02 20:45:18,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 86 transitions. [2022-11-02 20:45:18,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2022-11-02 20:45:18,421 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) [2022-11-02 20:45:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 84 transitions. [2022-11-02 20:45:18,423 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 84 transitions. [2022-11-02 20:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:18,428 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2022-11-02 20:45:18,429 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:45:18,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 84 transitions. [2022-11-02 20:45:18,431 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2022-11-02 20:45:18,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:18,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:18,432 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:18,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:18,432 INFO L748 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 [2022-11-02 20:45:18,433 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:18,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:18,434 INFO L85 PathProgramCache]: Analyzing trace with hash 532072804, now seen corresponding path program 1 times [2022-11-02 20:45:18,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:18,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269218013] [2022-11-02 20:45:18,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:18,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:18,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:18,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269218013] [2022-11-02 20:45:18,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269218013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:18,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:18,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:45:18,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18790098] [2022-11-02 20:45:18,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:18,763 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:18,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:18,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 1 times [2022-11-02 20:45:18,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:18,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318277429] [2022-11-02 20:45:18,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:18,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:18,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:18,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318277429] [2022-11-02 20:45:18,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318277429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:18,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:18,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:45:18,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143686333] [2022-11-02 20:45:18,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:18,867 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:18,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:18,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:45:18,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:45:18,868 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) [2022-11-02 20:45:19,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:19,181 INFO L93 Difference]: Finished difference Result 120 states and 177 transitions. [2022-11-02 20:45:19,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 177 transitions. [2022-11-02 20:45:19,200 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 78 [2022-11-02 20:45:19,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 177 transitions. [2022-11-02 20:45:19,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2022-11-02 20:45:19,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2022-11-02 20:45:19,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 177 transitions. [2022-11-02 20:45:19,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:19,203 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 177 transitions. [2022-11-02 20:45:19,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 177 transitions. [2022-11-02 20:45:19,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 61. [2022-11-02 20:45:19,217 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) [2022-11-02 20:45:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 94 transitions. [2022-11-02 20:45:19,218 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 94 transitions. [2022-11-02 20:45:19,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:45:19,220 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 94 transitions. [2022-11-02 20:45:19,220 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:45:19,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 94 transitions. [2022-11-02 20:45:19,221 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2022-11-02 20:45:19,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:19,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:19,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:19,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:19,223 INFO L748 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 [2022-11-02 20:45:19,223 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:19,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:19,224 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 1 times [2022-11-02 20:45:19,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:19,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089445804] [2022-11-02 20:45:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:19,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:19,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:19,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:19,289 INFO L85 PathProgramCache]: Analyzing trace with hash 119486142, now seen corresponding path program 2 times [2022-11-02 20:45:19,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:19,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022109843] [2022-11-02 20:45:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:19,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:19,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:19,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022109843] [2022-11-02 20:45:19,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022109843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:19,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:19,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:45:19,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271888893] [2022-11-02 20:45:19,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:19,404 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:19,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:19,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:45:19,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:45:19,408 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) [2022-11-02 20:45:19,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:19,611 INFO L93 Difference]: Finished difference Result 86 states and 135 transitions. [2022-11-02 20:45:19,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 135 transitions. [2022-11-02 20:45:19,612 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-11-02 20:45:19,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 86 states and 135 transitions. [2022-11-02 20:45:19,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2022-11-02 20:45:19,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2022-11-02 20:45:19,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 135 transitions. [2022-11-02 20:45:19,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:19,614 INFO L218 hiAutomatonCegarLoop]: Abstraction has 86 states and 135 transitions. [2022-11-02 20:45:19,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 135 transitions. [2022-11-02 20:45:19,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2022-11-02 20:45:19,624 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) [2022-11-02 20:45:19,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2022-11-02 20:45:19,627 INFO L240 hiAutomatonCegarLoop]: Abstraction has 78 states and 121 transitions. [2022-11-02 20:45:19,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:45:19,628 INFO L428 stractBuchiCegarLoop]: Abstraction has 78 states and 121 transitions. [2022-11-02 20:45:19,629 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 20:45:19,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 121 transitions. [2022-11-02 20:45:19,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-11-02 20:45:19,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:19,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:19,631 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:19,631 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:19,632 INFO L748 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 [2022-11-02 20:45:19,632 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:19,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:19,633 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 2 times [2022-11-02 20:45:19,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:19,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426522524] [2022-11-02 20:45:19,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:19,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:19,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:19,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:19,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:19,671 INFO L85 PathProgramCache]: Analyzing trace with hash 522403369, now seen corresponding path program 1 times [2022-11-02 20:45:19,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:19,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485534383] [2022-11-02 20:45:19,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:19,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:45:19,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:19,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485534383] [2022-11-02 20:45:19,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485534383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:19,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:19,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:45:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235398034] [2022-11-02 20:45:19,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:19,710 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:19,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:19,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:19,711 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) [2022-11-02 20:45:19,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:19,828 INFO L93 Difference]: Finished difference Result 103 states and 155 transitions. [2022-11-02 20:45:19,828 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 155 transitions. [2022-11-02 20:45:19,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2022-11-02 20:45:19,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 103 states and 155 transitions. [2022-11-02 20:45:19,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 103 [2022-11-02 20:45:19,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 103 [2022-11-02 20:45:19,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 155 transitions. [2022-11-02 20:45:19,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:19,832 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 155 transitions. [2022-11-02 20:45:19,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 155 transitions. [2022-11-02 20:45:19,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2022-11-02 20:45:19,837 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) [2022-11-02 20:45:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 153 transitions. [2022-11-02 20:45:19,839 INFO L240 hiAutomatonCegarLoop]: Abstraction has 101 states and 153 transitions. [2022-11-02 20:45:19,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:19,840 INFO L428 stractBuchiCegarLoop]: Abstraction has 101 states and 153 transitions. [2022-11-02 20:45:19,840 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 20:45:19,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 153 transitions. [2022-11-02 20:45:19,841 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2022-11-02 20:45:19,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:19,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:19,842 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:19,842 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:19,842 INFO L748 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 [2022-11-02 20:45:19,843 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:19,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:19,843 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 3 times [2022-11-02 20:45:19,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:19,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334946065] [2022-11-02 20:45:19,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:19,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:19,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:19,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:19,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:19,872 INFO L85 PathProgramCache]: Analyzing trace with hash 581508713, now seen corresponding path program 1 times [2022-11-02 20:45:19,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:19,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74166702] [2022-11-02 20:45:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:19,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:19,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:19,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74166702] [2022-11-02 20:45:19,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74166702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:19,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:19,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:45:19,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362707125] [2022-11-02 20:45:19,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:19,968 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:19,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:19,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:45:19,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:45:19,970 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) [2022-11-02 20:45:20,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:20,044 INFO L93 Difference]: Finished difference Result 169 states and 255 transitions. [2022-11-02 20:45:20,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 255 transitions. [2022-11-02 20:45:20,047 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 147 [2022-11-02 20:45:20,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 255 transitions. [2022-11-02 20:45:20,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2022-11-02 20:45:20,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2022-11-02 20:45:20,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 255 transitions. [2022-11-02 20:45:20,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:20,059 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 255 transitions. [2022-11-02 20:45:20,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 255 transitions. [2022-11-02 20:45:20,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 141. [2022-11-02 20:45:20,073 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) [2022-11-02 20:45:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 217 transitions. [2022-11-02 20:45:20,074 INFO L240 hiAutomatonCegarLoop]: Abstraction has 141 states and 217 transitions. [2022-11-02 20:45:20,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:45:20,083 INFO L428 stractBuchiCegarLoop]: Abstraction has 141 states and 217 transitions. [2022-11-02 20:45:20,084 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 20:45:20,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 217 transitions. [2022-11-02 20:45:20,085 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2022-11-02 20:45:20,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:20,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:20,089 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:20,089 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:20,089 INFO L748 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 [2022-11-02 20:45:20,090 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:20,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:20,090 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 4 times [2022-11-02 20:45:20,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:20,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129604530] [2022-11-02 20:45:20,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:20,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:20,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:20,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:20,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:20,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1412635993, now seen corresponding path program 1 times [2022-11-02 20:45:20,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:20,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304780900] [2022-11-02 20:45:20,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:20,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:20,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:20,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304780900] [2022-11-02 20:45:20,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304780900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:20,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:20,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:45:20,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883010707] [2022-11-02 20:45:20,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:20,303 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:20,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:20,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:45:20,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:45:20,306 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) [2022-11-02 20:45:20,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:20,604 INFO L93 Difference]: Finished difference Result 302 states and 450 transitions. [2022-11-02 20:45:20,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 450 transitions. [2022-11-02 20:45:20,607 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 255 [2022-11-02 20:45:20,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 302 states and 450 transitions. [2022-11-02 20:45:20,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2022-11-02 20:45:20,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2022-11-02 20:45:20,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 450 transitions. [2022-11-02 20:45:20,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:20,610 INFO L218 hiAutomatonCegarLoop]: Abstraction has 302 states and 450 transitions. [2022-11-02 20:45:20,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 450 transitions. [2022-11-02 20:45:20,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 225. [2022-11-02 20:45:20,620 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) [2022-11-02 20:45:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 341 transitions. [2022-11-02 20:45:20,622 INFO L240 hiAutomatonCegarLoop]: Abstraction has 225 states and 341 transitions. [2022-11-02 20:45:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:45:20,623 INFO L428 stractBuchiCegarLoop]: Abstraction has 225 states and 341 transitions. [2022-11-02 20:45:20,623 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-02 20:45:20,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 341 transitions. [2022-11-02 20:45:20,625 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 198 [2022-11-02 20:45:20,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:20,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:20,626 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:20,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:20,627 INFO L748 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 [2022-11-02 20:45:20,627 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:20,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:20,628 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 5 times [2022-11-02 20:45:20,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:20,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978620741] [2022-11-02 20:45:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:20,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:20,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:20,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:20,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:20,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1317498195, now seen corresponding path program 1 times [2022-11-02 20:45:20,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:20,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863994790] [2022-11-02 20:45:20,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:20,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 20:45:20,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:20,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863994790] [2022-11-02 20:45:20,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863994790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:20,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:20,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:45:20,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192178092] [2022-11-02 20:45:20,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:20,689 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:20,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:20,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:20,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:20,690 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) [2022-11-02 20:45:20,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:20,809 INFO L93 Difference]: Finished difference Result 263 states and 400 transitions. [2022-11-02 20:45:20,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 400 transitions. [2022-11-02 20:45:20,811 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236 [2022-11-02 20:45:20,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 263 states and 400 transitions. [2022-11-02 20:45:20,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2022-11-02 20:45:20,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2022-11-02 20:45:20,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 400 transitions. [2022-11-02 20:45:20,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:20,815 INFO L218 hiAutomatonCegarLoop]: Abstraction has 263 states and 400 transitions. [2022-11-02 20:45:20,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 400 transitions. [2022-11-02 20:45:20,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 257. [2022-11-02 20:45:20,822 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) [2022-11-02 20:45:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 394 transitions. [2022-11-02 20:45:20,824 INFO L240 hiAutomatonCegarLoop]: Abstraction has 257 states and 394 transitions. [2022-11-02 20:45:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:20,825 INFO L428 stractBuchiCegarLoop]: Abstraction has 257 states and 394 transitions. [2022-11-02 20:45:20,825 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-02 20:45:20,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 257 states and 394 transitions. [2022-11-02 20:45:20,827 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 230 [2022-11-02 20:45:20,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:20,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:20,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:20,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:20,829 INFO L748 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 [2022-11-02 20:45:20,829 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:20,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:20,830 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 6 times [2022-11-02 20:45:20,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:20,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619069352] [2022-11-02 20:45:20,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:20,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:20,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:20,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:20,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:20,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1260239893, now seen corresponding path program 1 times [2022-11-02 20:45:20,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:20,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728164037] [2022-11-02 20:45:20,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:20,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:21,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:21,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728164037] [2022-11-02 20:45:21,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728164037] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:21,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217661856] [2022-11-02 20:45:21,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:21,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:21,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:21,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:21,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:45:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:21,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:45:21,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:21,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:45:21,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:21,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217661856] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:45:21,454 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:45:21,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-11-02 20:45:21,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559605336] [2022-11-02 20:45:21,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:45:21,458 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:21,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:21,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:45:21,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:45:21,459 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) [2022-11-02 20:45:21,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:21,982 INFO L93 Difference]: Finished difference Result 411 states and 582 transitions. [2022-11-02 20:45:21,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 411 states and 582 transitions. [2022-11-02 20:45:21,985 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 335 [2022-11-02 20:45:21,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 411 states to 411 states and 582 transitions. [2022-11-02 20:45:21,988 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 411 [2022-11-02 20:45:21,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 411 [2022-11-02 20:45:21,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 411 states and 582 transitions. [2022-11-02 20:45:21,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:21,990 INFO L218 hiAutomatonCegarLoop]: Abstraction has 411 states and 582 transitions. [2022-11-02 20:45:21,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states and 582 transitions. [2022-11-02 20:45:21,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 290. [2022-11-02 20:45:21,997 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) [2022-11-02 20:45:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 432 transitions. [2022-11-02 20:45:21,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 290 states and 432 transitions. [2022-11-02 20:45:21,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:45:22,003 INFO L428 stractBuchiCegarLoop]: Abstraction has 290 states and 432 transitions. [2022-11-02 20:45:22,003 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-02 20:45:22,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 290 states and 432 transitions. [2022-11-02 20:45:22,005 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 254 [2022-11-02 20:45:22,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:22,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:22,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:22,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:22,011 INFO L748 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 [2022-11-02 20:45:22,012 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:22,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:22,013 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 7 times [2022-11-02 20:45:22,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:22,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830835038] [2022-11-02 20:45:22,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:22,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:22,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:22,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:22,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:22,055 INFO L85 PathProgramCache]: Analyzing trace with hash -925244773, now seen corresponding path program 1 times [2022-11-02 20:45:22,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:22,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678533110] [2022-11-02 20:45:22,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:22,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:45:22,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:22,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678533110] [2022-11-02 20:45:22,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678533110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:22,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:22,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:45:22,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161093263] [2022-11-02 20:45:22,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:22,226 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:22,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:22,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:45:22,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:45:22,230 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) [2022-11-02 20:45:22,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:22,454 INFO L93 Difference]: Finished difference Result 436 states and 627 transitions. [2022-11-02 20:45:22,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 436 states and 627 transitions. [2022-11-02 20:45:22,457 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 394 [2022-11-02 20:45:22,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 436 states to 436 states and 627 transitions. [2022-11-02 20:45:22,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 436 [2022-11-02 20:45:22,462 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 436 [2022-11-02 20:45:22,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 436 states and 627 transitions. [2022-11-02 20:45:22,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:22,464 INFO L218 hiAutomatonCegarLoop]: Abstraction has 436 states and 627 transitions. [2022-11-02 20:45:22,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states and 627 transitions. [2022-11-02 20:45:22,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 328. [2022-11-02 20:45:22,472 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) [2022-11-02 20:45:22,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 490 transitions. [2022-11-02 20:45:22,473 INFO L240 hiAutomatonCegarLoop]: Abstraction has 328 states and 490 transitions. [2022-11-02 20:45:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:45:22,475 INFO L428 stractBuchiCegarLoop]: Abstraction has 328 states and 490 transitions. [2022-11-02 20:45:22,475 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-02 20:45:22,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 328 states and 490 transitions. [2022-11-02 20:45:22,477 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 304 [2022-11-02 20:45:22,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:22,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:22,482 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:22,482 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:22,484 INFO L748 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 [2022-11-02 20:45:22,485 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:22,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:22,485 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 8 times [2022-11-02 20:45:22,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:22,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284066307] [2022-11-02 20:45:22,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:22,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:22,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:22,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:22,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:22,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2071006882, now seen corresponding path program 1 times [2022-11-02 20:45:22,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:22,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266969612] [2022-11-02 20:45:22,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:22,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:22,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:22,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266969612] [2022-11-02 20:45:22,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266969612] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:22,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178162526] [2022-11-02 20:45:22,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:22,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:22,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:22,672 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:22,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:45:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:22,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:45:22,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-02 20:45:22,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:45:22,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178162526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:22,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:45:22,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-02 20:45:22,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757352336] [2022-11-02 20:45:22,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:22,809 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:22,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:22,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:45:22,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:45:22,810 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) [2022-11-02 20:45:23,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:23,034 INFO L93 Difference]: Finished difference Result 341 states and 457 transitions. [2022-11-02 20:45:23,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 341 states and 457 transitions. [2022-11-02 20:45:23,037 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 317 [2022-11-02 20:45:23,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 341 states to 341 states and 457 transitions. [2022-11-02 20:45:23,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 341 [2022-11-02 20:45:23,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 341 [2022-11-02 20:45:23,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 341 states and 457 transitions. [2022-11-02 20:45:23,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:23,041 INFO L218 hiAutomatonCegarLoop]: Abstraction has 341 states and 457 transitions. [2022-11-02 20:45:23,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states and 457 transitions. [2022-11-02 20:45:23,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 294. [2022-11-02 20:45:23,046 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) [2022-11-02 20:45:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 403 transitions. [2022-11-02 20:45:23,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 294 states and 403 transitions. [2022-11-02 20:45:23,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:45:23,049 INFO L428 stractBuchiCegarLoop]: Abstraction has 294 states and 403 transitions. [2022-11-02 20:45:23,049 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-02 20:45:23,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 403 transitions. [2022-11-02 20:45:23,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 270 [2022-11-02 20:45:23,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:23,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:23,052 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:23,052 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:23,052 INFO L748 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 [2022-11-02 20:45:23,053 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:23,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:23,070 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 9 times [2022-11-02 20:45:23,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:23,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721094256] [2022-11-02 20:45:23,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:23,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:23,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:23,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:23,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:23,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1750670628, now seen corresponding path program 2 times [2022-11-02 20:45:23,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:23,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034835733] [2022-11-02 20:45:23,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:23,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:23,339 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:45:23,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:23,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034835733] [2022-11-02 20:45:23,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034835733] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:23,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499835957] [2022-11-02 20:45:23,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:45:23,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:23,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:23,364 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:23,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:45:23,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:45:23,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:45:23,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:45:23,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:45:23,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:45:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:45:23,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499835957] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:45:23,562 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:45:23,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2022-11-02 20:45:23,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528227988] [2022-11-02 20:45:23,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:45:23,565 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:23,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:23,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:45:23,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:45:23,567 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) [2022-11-02 20:45:24,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:24,365 INFO L93 Difference]: Finished difference Result 494 states and 631 transitions. [2022-11-02 20:45:24,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 494 states and 631 transitions. [2022-11-02 20:45:24,369 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 420 [2022-11-02 20:45:24,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 494 states to 494 states and 631 transitions. [2022-11-02 20:45:24,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2022-11-02 20:45:24,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 494 [2022-11-02 20:45:24,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 494 states and 631 transitions. [2022-11-02 20:45:24,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:24,373 INFO L218 hiAutomatonCegarLoop]: Abstraction has 494 states and 631 transitions. [2022-11-02 20:45:24,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states and 631 transitions. [2022-11-02 20:45:24,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 377. [2022-11-02 20:45:24,379 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) [2022-11-02 20:45:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 503 transitions. [2022-11-02 20:45:24,381 INFO L240 hiAutomatonCegarLoop]: Abstraction has 377 states and 503 transitions. [2022-11-02 20:45:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 20:45:24,381 INFO L428 stractBuchiCegarLoop]: Abstraction has 377 states and 503 transitions. [2022-11-02 20:45:24,382 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-02 20:45:24,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 377 states and 503 transitions. [2022-11-02 20:45:24,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 344 [2022-11-02 20:45:24,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:24,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:24,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:24,384 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 7, 7, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:24,385 INFO L748 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 [2022-11-02 20:45:24,385 INFO L750 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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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 [2022-11-02 20:45:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:24,385 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 10 times [2022-11-02 20:45:24,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:24,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371448628] [2022-11-02 20:45:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:24,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:24,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:24,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:24,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:24,405 INFO L85 PathProgramCache]: Analyzing trace with hash 896633444, now seen corresponding path program 1 times [2022-11-02 20:45:24,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:24,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184972395] [2022-11-02 20:45:24,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:24,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-02 20:45:24,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:24,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184972395] [2022-11-02 20:45:24,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184972395] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:24,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109426678] [2022-11-02 20:45:24,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:24,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:24,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:24,694 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:24,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:45:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:24,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:45:24,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-02 20:45:24,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:45:24,922 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-02 20:45:24,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109426678] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:45:24,922 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:45:24,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-02 20:45:24,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086525775] [2022-11-02 20:45:24,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:45:24,924 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:24,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:24,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:45:24,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:45:24,925 INFO L87 Difference]: Start difference. First operand 377 states and 503 transitions. cyclomatic complexity: 128 Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:25,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:25,555 INFO L93 Difference]: Finished difference Result 549 states and 658 transitions. [2022-11-02 20:45:25,555 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 549 states and 658 transitions. [2022-11-02 20:45:25,559 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 450 [2022-11-02 20:45:25,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 549 states to 549 states and 658 transitions. [2022-11-02 20:45:25,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 549 [2022-11-02 20:45:25,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 549 [2022-11-02 20:45:25,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 549 states and 658 transitions. [2022-11-02 20:45:25,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:25,565 INFO L218 hiAutomatonCegarLoop]: Abstraction has 549 states and 658 transitions. [2022-11-02 20:45:25,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states and 658 transitions. [2022-11-02 20:45:25,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 219. [2022-11-02 20:45:25,572 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) [2022-11-02 20:45:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 270 transitions. [2022-11-02 20:45:25,573 INFO L240 hiAutomatonCegarLoop]: Abstraction has 219 states and 270 transitions. [2022-11-02 20:45:25,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 20:45:25,574 INFO L428 stractBuchiCegarLoop]: Abstraction has 219 states and 270 transitions. [2022-11-02 20:45:25,575 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-02 20:45:25,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 219 states and 270 transitions. [2022-11-02 20:45:25,576 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 140 [2022-11-02 20:45:25,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:25,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:25,577 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:25,577 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2022-11-02 20:45:25,578 INFO L748 eck$LassoCheckResult]: Stem: 6567#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); 6554#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; 6544#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 6546#L61 assume !(0 == mp_add_~a2~0#1 % 256); 6547#L59-1 mp_add_~nb~0#1 := 4; 6562#L69 assume !(0 == mp_add_~b3~0#1 % 256); 6552#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 6617#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); 6616#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6615#L108 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := 0; 6614#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 6613#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 6612#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 6609#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6608#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6581#L108 assume !(0 == mp_add_~i~0#1 % 256); 6582#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 6574#L109-1 [2022-11-02 20:45:25,578 INFO L750 eck$LassoCheckResult]: Loop: 6574#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 6575#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 6557#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6558#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6605#L108 assume !(0 == mp_add_~i~0#1 % 256); 6606#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 6600#L109-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := 0; 6599#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 6595#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6594#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6593#L108 assume !(0 == mp_add_~i~0#1 % 256); 6592#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 6591#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 6590#L110-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := 0; 6566#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6572#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6573#L108 assume !(0 == mp_add_~i~0#1 % 256); 6602#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 6574#L109-1 [2022-11-02 20:45:25,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:25,579 INFO L85 PathProgramCache]: Analyzing trace with hash -850823382, now seen corresponding path program 1 times [2022-11-02 20:45:25,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:25,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347373453] [2022-11-02 20:45:25,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:25,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:45:25,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:25,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347373453] [2022-11-02 20:45:25,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347373453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:25,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:25,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:45:25,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768088440] [2022-11-02 20:45:25,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:25,651 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:25,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:25,652 INFO L85 PathProgramCache]: Analyzing trace with hash -830477736, now seen corresponding path program 1 times [2022-11-02 20:45:25,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:25,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749970174] [2022-11-02 20:45:25,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:25,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:45:25,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:25,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749970174] [2022-11-02 20:45:25,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749970174] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:25,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360995152] [2022-11-02 20:45:25,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:25,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:25,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:25,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:25,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:45:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:25,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:45:25,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:25,830 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-02 20:45:25,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:45:25,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360995152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:25,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:45:25,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-02 20:45:25,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837171967] [2022-11-02 20:45:25,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:25,834 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:25,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:25,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:45:25,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:45:25,835 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) [2022-11-02 20:45:26,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:26,010 INFO L93 Difference]: Finished difference Result 419 states and 510 transitions. [2022-11-02 20:45:26,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 419 states and 510 transitions. [2022-11-02 20:45:26,013 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 280 [2022-11-02 20:45:26,015 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 419 states to 419 states and 510 transitions. [2022-11-02 20:45:26,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 419 [2022-11-02 20:45:26,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 419 [2022-11-02 20:45:26,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 419 states and 510 transitions. [2022-11-02 20:45:26,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:26,016 INFO L218 hiAutomatonCegarLoop]: Abstraction has 419 states and 510 transitions. [2022-11-02 20:45:26,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states and 510 transitions. [2022-11-02 20:45:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 230. [2022-11-02 20:45:26,021 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) [2022-11-02 20:45:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2022-11-02 20:45:26,022 INFO L240 hiAutomatonCegarLoop]: Abstraction has 230 states and 282 transitions. [2022-11-02 20:45:26,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:45:26,023 INFO L428 stractBuchiCegarLoop]: Abstraction has 230 states and 282 transitions. [2022-11-02 20:45:26,023 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-02 20:45:26,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 230 states and 282 transitions. [2022-11-02 20:45:26,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 140 [2022-11-02 20:45:26,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:26,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:26,026 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:26,026 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2022-11-02 20:45:26,027 INFO L748 eck$LassoCheckResult]: Stem: 7268#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); 7258#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; 7248#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 7250#L61 assume !(0 == mp_add_~a2~0#1 % 256); 7251#L59-1 mp_add_~nb~0#1 := 4; 7327#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 7326#L71 assume !(0 == mp_add_~b2~0#1 % 256); 7324#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 7322#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); 7321#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7320#L108 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := 0; 7319#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 7318#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 7317#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 7261#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7262#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7275#L108 assume !(0 == mp_add_~i~0#1 % 256); 7282#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 7276#L109-1 [2022-11-02 20:45:26,027 INFO L750 eck$LassoCheckResult]: Loop: 7276#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 7277#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 7313#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7310#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7307#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; 7270#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7332#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7331#L108 assume !(0 == mp_add_~i~0#1 % 256); 7330#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 7276#L109-1 [2022-11-02 20:45:26,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:26,027 INFO L85 PathProgramCache]: Analyzing trace with hash 379711671, now seen corresponding path program 1 times [2022-11-02 20:45:26,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:26,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833513983] [2022-11-02 20:45:26,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:26,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:45:26,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:26,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833513983] [2022-11-02 20:45:26,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833513983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:26,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:26,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:45:26,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494042465] [2022-11-02 20:45:26,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:26,122 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:26,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:26,122 INFO L85 PathProgramCache]: Analyzing trace with hash -830477736, now seen corresponding path program 2 times [2022-11-02 20:45:26,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:26,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859552006] [2022-11-02 20:45:26,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:26,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:26,197 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:45:26,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:26,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859552006] [2022-11-02 20:45:26,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859552006] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:26,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308067714] [2022-11-02 20:45:26,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:45:26,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:26,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:26,202 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:26,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:45:26,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:45:26,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:45:26,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:45:26,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-02 20:45:26,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:45:26,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308067714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:26,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:45:26,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-02 20:45:26,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544595303] [2022-11-02 20:45:26,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:26,272 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:26,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:26,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:45:26,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:45:26,272 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) [2022-11-02 20:45:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:26,433 INFO L93 Difference]: Finished difference Result 266 states and 318 transitions. [2022-11-02 20:45:26,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 266 states and 318 transitions. [2022-11-02 20:45:26,435 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2022-11-02 20:45:26,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 266 states to 241 states and 285 transitions. [2022-11-02 20:45:26,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2022-11-02 20:45:26,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2022-11-02 20:45:26,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 285 transitions. [2022-11-02 20:45:26,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:26,438 INFO L218 hiAutomatonCegarLoop]: Abstraction has 241 states and 285 transitions. [2022-11-02 20:45:26,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 285 transitions. [2022-11-02 20:45:26,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 218. [2022-11-02 20:45:26,441 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) [2022-11-02 20:45:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 261 transitions. [2022-11-02 20:45:26,442 INFO L240 hiAutomatonCegarLoop]: Abstraction has 218 states and 261 transitions. [2022-11-02 20:45:26,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:45:26,443 INFO L428 stractBuchiCegarLoop]: Abstraction has 218 states and 261 transitions. [2022-11-02 20:45:26,444 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-02 20:45:26,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 261 transitions. [2022-11-02 20:45:26,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 137 [2022-11-02 20:45:26,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:26,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:26,446 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:26,446 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:26,446 INFO L748 eck$LassoCheckResult]: Stem: 7832#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); 7819#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; 7809#L59 assume !(0 == mp_add_~a3~0#1 % 256); 7810#L59-1 mp_add_~nb~0#1 := 4; 7824#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 7816#L71 assume !(0 == mp_add_~b2~0#1 % 256); 7817#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 7998#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; 7994#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 7992#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; 7990#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 7833#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 7834#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 7984#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7982#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 7979#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 7978#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 7977#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 7976#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 7975#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7974#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; 7945#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 7944#L84 assume !(0 == mp_add_~i~0#1 % 256); 7943#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; 7881#L85-1 [2022-11-02 20:45:26,447 INFO L750 eck$LassoCheckResult]: Loop: 7881#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 7939#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 7933#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7930#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 7927#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 7924#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 7922#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 7920#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 7918#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7916#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; 7913#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 7905#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7901#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 7900#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8020#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8019#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 8018#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8017#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8016#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; 8015#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 7889#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 7870#L90 assume !(0 == mp_add_~i~0#1 % 256); 7883#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 7878#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 7868#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; 7867#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 7866#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 7865#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 7864#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 7863#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 7862#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7861#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; 7859#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 7857#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7856#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 7855#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 7854#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 7853#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 7852#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 7851#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7849#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; 7850#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 7887#L84 assume !(0 == mp_add_~i~0#1 % 256); 7880#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; 7881#L85-1 [2022-11-02 20:45:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:26,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1132207432, now seen corresponding path program 1 times [2022-11-02 20:45:26,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:26,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422077350] [2022-11-02 20:45:26,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:26,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:26,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:26,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422077350] [2022-11-02 20:45:26,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422077350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:26,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:26,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:45:26,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784282482] [2022-11-02 20:45:26,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:26,568 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:26,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:26,568 INFO L85 PathProgramCache]: Analyzing trace with hash 674297015, now seen corresponding path program 1 times [2022-11-02 20:45:26,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:26,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161511145] [2022-11-02 20:45:26,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:26,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-02 20:45:26,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:26,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161511145] [2022-11-02 20:45:26,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161511145] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:26,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089042382] [2022-11-02 20:45:26,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:26,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:26,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:26,701 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:26,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 20:45:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:26,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:45:26,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-02 20:45:26,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:45:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-02 20:45:26,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089042382] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:26,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:45:26,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2022-11-02 20:45:26,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807230718] [2022-11-02 20:45:26,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:26,992 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:26,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:26,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:45:26,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:45:26,993 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) [2022-11-02 20:45:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:27,352 INFO L93 Difference]: Finished difference Result 595 states and 701 transitions. [2022-11-02 20:45:27,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 595 states and 701 transitions. [2022-11-02 20:45:27,357 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 411 [2022-11-02 20:45:27,360 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 595 states to 595 states and 701 transitions. [2022-11-02 20:45:27,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 595 [2022-11-02 20:45:27,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 595 [2022-11-02 20:45:27,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 595 states and 701 transitions. [2022-11-02 20:45:27,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:27,363 INFO L218 hiAutomatonCegarLoop]: Abstraction has 595 states and 701 transitions. [2022-11-02 20:45:27,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states and 701 transitions. [2022-11-02 20:45:27,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 218. [2022-11-02 20:45:27,368 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) [2022-11-02 20:45:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 261 transitions. [2022-11-02 20:45:27,369 INFO L240 hiAutomatonCegarLoop]: Abstraction has 218 states and 261 transitions. [2022-11-02 20:45:27,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:45:27,370 INFO L428 stractBuchiCegarLoop]: Abstraction has 218 states and 261 transitions. [2022-11-02 20:45:27,371 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-02 20:45:27,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 261 transitions. [2022-11-02 20:45:27,372 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 137 [2022-11-02 20:45:27,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:27,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:27,373 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:27,373 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:27,374 INFO L748 eck$LassoCheckResult]: Stem: 8918#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); 8909#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; 8893#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 8895#L61 assume !(0 == mp_add_~a2~0#1 % 256); 8896#L59-1 mp_add_~nb~0#1 := 4; 8914#L69 assume !(0 == mp_add_~b3~0#1 % 256); 8905#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 9110#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; 9104#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9103#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9102#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; 9101#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 9100#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 9099#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 8901#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 8902#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 9098#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9095#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9092#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9089#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9086#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; 9080#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9068#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9067#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 9034#L95-1 [2022-11-02 20:45:27,374 INFO L750 eck$LassoCheckResult]: Loop: 9034#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9062#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 9060#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9059#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9058#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9057#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; 9056#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9012#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9001#L90 assume !(0 == mp_add_~i~0#1 % 256); 9055#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 9003#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; 8999#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 8997#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 8995#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8993#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8983#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 8984#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8976#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8977#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; 8967#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 8966#L84 assume !(0 == mp_add_~i~0#1 % 256); 8964#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 8963#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 8961#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; 8958#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 8955#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 8954#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8953#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8952#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8951#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 8950#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8949#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; 8947#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8943#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 8941#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 8940#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8939#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8938#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8937#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8936#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8934#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; 8935#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8982#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9066#L90 assume !(0 == mp_add_~i~0#1 % 256); 9053#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; 9043#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 9037#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 9033#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 9034#L95-1 [2022-11-02 20:45:27,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:27,375 INFO L85 PathProgramCache]: Analyzing trace with hash -157875573, now seen corresponding path program 1 times [2022-11-02 20:45:27,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:27,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882281309] [2022-11-02 20:45:27,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:27,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:27,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:27,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882281309] [2022-11-02 20:45:27,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882281309] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:27,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185629850] [2022-11-02 20:45:27,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:27,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:27,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:27,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:27,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-02 20:45:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:27,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:45:27,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:27,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:45:27,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185629850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:27,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:45:27,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-11-02 20:45:27,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548855220] [2022-11-02 20:45:27,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:27,801 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:27,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:27,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1053030511, now seen corresponding path program 1 times [2022-11-02 20:45:27,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:27,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809050634] [2022-11-02 20:45:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:27,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 20:45:27,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:27,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809050634] [2022-11-02 20:45:27,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809050634] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:27,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167692392] [2022-11-02 20:45:27,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:27,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:27,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:27,952 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:27,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-02 20:45:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:28,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:45:28,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-02 20:45:28,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:45:28,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167692392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:28,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:45:28,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2022-11-02 20:45:28,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797906535] [2022-11-02 20:45:28,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:28,126 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:28,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:28,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:45:28,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:45:28,127 INFO L87 Difference]: Start difference. First operand 218 states and 261 transitions. cyclomatic complexity: 45 Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 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) [2022-11-02 20:45:28,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:28,371 INFO L93 Difference]: Finished difference Result 471 states and 547 transitions. [2022-11-02 20:45:28,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 471 states and 547 transitions. [2022-11-02 20:45:28,374 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 290 [2022-11-02 20:45:28,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 471 states to 471 states and 547 transitions. [2022-11-02 20:45:28,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 471 [2022-11-02 20:45:28,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 471 [2022-11-02 20:45:28,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 547 transitions. [2022-11-02 20:45:28,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:28,377 INFO L218 hiAutomatonCegarLoop]: Abstraction has 471 states and 547 transitions. [2022-11-02 20:45:28,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 547 transitions. [2022-11-02 20:45:28,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 399. [2022-11-02 20:45:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 399 states have (on average 1.1804511278195489) internal successors, (471), 398 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 471 transitions. [2022-11-02 20:45:28,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 399 states and 471 transitions. [2022-11-02 20:45:28,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:45:28,389 INFO L428 stractBuchiCegarLoop]: Abstraction has 399 states and 471 transitions. [2022-11-02 20:45:28,389 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-02 20:45:28,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 399 states and 471 transitions. [2022-11-02 20:45:28,391 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 266 [2022-11-02 20:45:28,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:28,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:28,392 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:28,392 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:28,393 INFO L748 eck$LassoCheckResult]: Stem: 9839#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); 9827#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; 9811#L59 assume !(0 == mp_add_~a3~0#1 % 256); 9812#L59-1 mp_add_~nb~0#1 := 4; 9832#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 9822#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 9824#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 9855#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 10086#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; 10082#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 10077#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; 10074#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 10072#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 10069#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 10065#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 10061#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 10059#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 10057#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 10056#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 10055#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 10054#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 10053#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; 9975#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 9973#L84 assume !(0 == mp_add_~i~0#1 % 256); 9967#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; 9964#L85-1 [2022-11-02 20:45:28,393 INFO L750 eck$LassoCheckResult]: Loop: 9964#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 9961#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 9957#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9952#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 9950#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9948#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 9946#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9941#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9942#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9931#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; 9932#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9925#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9921#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 9917#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9918#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9913#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 9914#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9906#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9907#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; 9898#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 9897#L84 assume !(0 == mp_add_~i~0#1 % 256); 9896#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 9895#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 9894#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; 9892#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9887#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 9888#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9883#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9884#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9879#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 9880#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9875#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; 9876#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 10003#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9998#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 9999#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9987#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9984#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9985#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9980#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9978#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; 9972#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 9938#L84 assume !(0 == mp_add_~i~0#1 % 256); 9939#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; 9964#L85-1 [2022-11-02 20:45:28,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:28,393 INFO L85 PathProgramCache]: Analyzing trace with hash 81994750, now seen corresponding path program 1 times [2022-11-02 20:45:28,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:28,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146205796] [2022-11-02 20:45:28,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:28,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:28,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:28,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146205796] [2022-11-02 20:45:28,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146205796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:28,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:28,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:45:28,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083907128] [2022-11-02 20:45:28,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:28,558 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:28,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:28,559 INFO L85 PathProgramCache]: Analyzing trace with hash -862809449, now seen corresponding path program 1 times [2022-11-02 20:45:28,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:28,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701479120] [2022-11-02 20:45:28,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:28,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 20:45:28,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:28,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701479120] [2022-11-02 20:45:28,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701479120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:28,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:28,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:45:28,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898205825] [2022-11-02 20:45:28,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:28,725 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:28,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:28,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:45:28,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:45:28,726 INFO L87 Difference]: Start difference. First operand 399 states and 471 transitions. cyclomatic complexity: 75 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) [2022-11-02 20:45:29,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:29,461 INFO L93 Difference]: Finished difference Result 782 states and 916 transitions. [2022-11-02 20:45:29,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 782 states and 916 transitions. [2022-11-02 20:45:29,488 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 546 [2022-11-02 20:45:29,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 782 states to 782 states and 916 transitions. [2022-11-02 20:45:29,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 782 [2022-11-02 20:45:29,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 782 [2022-11-02 20:45:29,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 782 states and 916 transitions. [2022-11-02 20:45:29,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:29,496 INFO L218 hiAutomatonCegarLoop]: Abstraction has 782 states and 916 transitions. [2022-11-02 20:45:29,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states and 916 transitions. [2022-11-02 20:45:29,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 388. [2022-11-02 20:45:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 388 states have (on average 1.1804123711340206) internal successors, (458), 387 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 458 transitions. [2022-11-02 20:45:29,507 INFO L240 hiAutomatonCegarLoop]: Abstraction has 388 states and 458 transitions. [2022-11-02 20:45:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:45:29,508 INFO L428 stractBuchiCegarLoop]: Abstraction has 388 states and 458 transitions. [2022-11-02 20:45:29,509 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2022-11-02 20:45:29,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 388 states and 458 transitions. [2022-11-02 20:45:29,511 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 266 [2022-11-02 20:45:29,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:29,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:29,512 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:29,512 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:29,513 INFO L748 eck$LassoCheckResult]: Stem: 11042#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); 11030#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; 11020#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 11022#L61 assume !(0 == mp_add_~a2~0#1 % 256); 11023#L59-1 mp_add_~nb~0#1 := 4; 11035#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 11344#L71 assume !(0 == mp_add_~b2~0#1 % 256); 11401#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 11400#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; 11399#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11398#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 11386#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; 11055#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 11015#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 11016#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 11017#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 11382#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 11397#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 11376#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 11372#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 11368#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11364#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; 11360#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11161#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 11355#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 11129#L95-1 [2022-11-02 20:45:29,513 INFO L750 eck$LassoCheckResult]: Loop: 11129#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 11158#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 11155#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 11153#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 11152#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11151#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; 11150#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11117#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 11101#L90 assume !(0 == mp_add_~i~0#1 % 256); 11107#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 11103#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; 11099#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 11096#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 11095#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 11094#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 11093#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 11092#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 11091#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11090#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; 11086#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 11085#L84 assume !(0 == mp_add_~i~0#1 % 256); 11084#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 11083#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 11082#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; 11080#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 11078#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 11077#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 11076#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 11075#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 11074#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 11073#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11072#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; 11071#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11068#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 11069#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 11352#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 11063#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 11062#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 11061#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 11059#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11060#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; 11149#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11146#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 11111#L90 assume !(0 == mp_add_~i~0#1 % 256); 11112#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; 11134#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 11131#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 11128#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 11129#L95-1 [2022-11-02 20:45:29,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1619386274, now seen corresponding path program 1 times [2022-11-02 20:45:29,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:29,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221849431] [2022-11-02 20:45:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:29,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:29,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:29,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221849431] [2022-11-02 20:45:29,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221849431] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:29,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775765426] [2022-11-02 20:45:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:29,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:29,706 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:29,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-02 20:45:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:29,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:45:29,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:45:29,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:45:29,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775765426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:29,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:45:29,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2022-11-02 20:45:29,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39897641] [2022-11-02 20:45:29,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:29,836 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:29,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:29,836 INFO L85 PathProgramCache]: Analyzing trace with hash 658663725, now seen corresponding path program 2 times [2022-11-02 20:45:29,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:29,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876148996] [2022-11-02 20:45:29,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:29,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 20:45:29,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:29,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876148996] [2022-11-02 20:45:29,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876148996] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:29,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933821459] [2022-11-02 20:45:29,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:45:29,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:29,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:29,966 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:29,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-02 20:45:30,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:45:30,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:45:30,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:45:30,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-02 20:45:30,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:45:30,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933821459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:30,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:45:30,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2022-11-02 20:45:30,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738795536] [2022-11-02 20:45:30,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:30,207 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:30,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:30,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:45:30,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:45:30,210 INFO L87 Difference]: Start difference. First operand 388 states and 458 transitions. cyclomatic complexity: 73 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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) [2022-11-02 20:45:30,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:30,484 INFO L93 Difference]: Finished difference Result 1091 states and 1250 transitions. [2022-11-02 20:45:30,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1091 states and 1250 transitions. [2022-11-02 20:45:30,492 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 781 [2022-11-02 20:45:30,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1091 states to 1031 states and 1184 transitions. [2022-11-02 20:45:30,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1031 [2022-11-02 20:45:30,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1031 [2022-11-02 20:45:30,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1031 states and 1184 transitions. [2022-11-02 20:45:30,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:30,502 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1031 states and 1184 transitions. [2022-11-02 20:45:30,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states and 1184 transitions. [2022-11-02 20:45:30,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 617. [2022-11-02 20:45:30,515 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) [2022-11-02 20:45:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 724 transitions. [2022-11-02 20:45:30,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 617 states and 724 transitions. [2022-11-02 20:45:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:45:30,518 INFO L428 stractBuchiCegarLoop]: Abstraction has 617 states and 724 transitions. [2022-11-02 20:45:30,519 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2022-11-02 20:45:30,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 617 states and 724 transitions. [2022-11-02 20:45:30,522 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 457 [2022-11-02 20:45:30,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:30,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:30,526 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:30,526 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:30,527 INFO L748 eck$LassoCheckResult]: Stem: 12757#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); 12746#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; 12736#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 12738#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 12739#L63 assume !(0 == mp_add_~a1~0#1 % 256); 12740#L59-1 mp_add_~nb~0#1 := 4; 12882#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 12881#L71 assume !(0 == mp_add_~b2~0#1 % 256); 12879#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 12878#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; 12876#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12877#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 13007#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; 13005#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 13003#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 13001#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12998#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 12996#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 12994#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12993#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12992#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12991#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12990#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; 12983#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12981#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 12980#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 12960#L95-1 [2022-11-02 20:45:30,527 INFO L750 eck$LassoCheckResult]: Loop: 12960#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12978#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 12977#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12976#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12975#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12974#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; 12973#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12952#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12817#L90 assume !(0 == mp_add_~i~0#1 % 256); 12972#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 12947#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; 12945#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12944#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 12815#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12941#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12939#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 12935#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12936#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12928#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; 12929#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 12912#L84 assume !(0 == mp_add_~i~0#1 % 256); 12911#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 12910#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 12909#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; 12907#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 12904#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 12903#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12902#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12901#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12900#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 12899#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12898#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; 12896#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12891#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 12893#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 12979#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12859#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12858#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12857#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12856#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12853#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; 12854#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12924#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12995#L90 assume !(0 == mp_add_~i~0#1 % 256); 12971#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; 12846#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 12834#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12835#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 12960#L95-1 [2022-11-02 20:45:30,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash 509264005, now seen corresponding path program 1 times [2022-11-02 20:45:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:30,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880637596] [2022-11-02 20:45:30,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:30,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:30,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:30,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880637596] [2022-11-02 20:45:30,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880637596] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:30,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736352032] [2022-11-02 20:45:30,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:30,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:30,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:30,713 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:30,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-02 20:45:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:30,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:45:30,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:31,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:45:31,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736352032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:31,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:45:31,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2022-11-02 20:45:31,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162952415] [2022-11-02 20:45:31,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:31,227 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:31,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:31,227 INFO L85 PathProgramCache]: Analyzing trace with hash 658663725, now seen corresponding path program 3 times [2022-11-02 20:45:31,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:31,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476987631] [2022-11-02 20:45:31,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:31,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 20:45:31,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:31,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476987631] [2022-11-02 20:45:31,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476987631] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:31,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66477382] [2022-11-02 20:45:31,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 20:45:31,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:31,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:31,372 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:31,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-02 20:45:31,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-02 20:45:31,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:45:31,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:45:31,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-02 20:45:31,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:45:31,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66477382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:31,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:45:31,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2022-11-02 20:45:31,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203216454] [2022-11-02 20:45:31,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:31,626 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:31,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:31,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:45:31,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:45:31,628 INFO L87 Difference]: Start difference. First operand 617 states and 724 transitions. cyclomatic complexity: 112 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) [2022-11-02 20:45:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:31,987 INFO L93 Difference]: Finished difference Result 1014 states and 1173 transitions. [2022-11-02 20:45:31,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1014 states and 1173 transitions. [2022-11-02 20:45:31,994 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 707 [2022-11-02 20:45:31,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1014 states to 1004 states and 1159 transitions. [2022-11-02 20:45:31,999 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1004 [2022-11-02 20:45:32,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1004 [2022-11-02 20:45:32,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1004 states and 1159 transitions. [2022-11-02 20:45:32,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:32,002 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1004 states and 1159 transitions. [2022-11-02 20:45:32,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states and 1159 transitions. [2022-11-02 20:45:32,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 904. [2022-11-02 20:45:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 904 states have (on average 1.1648230088495575) internal successors, (1053), 903 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1053 transitions. [2022-11-02 20:45:32,020 INFO L240 hiAutomatonCegarLoop]: Abstraction has 904 states and 1053 transitions. [2022-11-02 20:45:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:45:32,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 904 states and 1053 transitions. [2022-11-02 20:45:32,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2022-11-02 20:45:32,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 904 states and 1053 transitions. [2022-11-02 20:45:32,026 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 673 [2022-11-02 20:45:32,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:32,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:32,027 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:32,028 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:32,028 INFO L748 eck$LassoCheckResult]: Stem: 14628#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); 14615#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; 14605#L59 assume !(0 == mp_add_~a3~0#1 % 256); 14606#L59-1 mp_add_~nb~0#1 := 4; 14622#L69 assume !(0 == mp_add_~b3~0#1 % 256); 14623#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 15294#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; 15293#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15292#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; 15291#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 15290#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 15289#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 15288#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15286#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; 15284#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 15282#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 15280#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 15279#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 15278#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 15277#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15276#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15274#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15273#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15272#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; 15271#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15270#L84 assume !(0 == mp_add_~i~0#1 % 256); 15192#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; 15180#L85-1 [2022-11-02 20:45:32,028 INFO L750 eck$LassoCheckResult]: Loop: 15180#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 15189#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 15187#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15185#L90 assume !(0 == mp_add_~i~0#1 % 256); 15176#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; 15169#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 15162#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 15159#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 15156#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15153#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 15151#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15149#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15147#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15144#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; 15142#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15143#L84 assume !(0 == mp_add_~i~0#1 % 256); 15139#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 15138#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; 15084#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 15085#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15071#L90 assume !(0 == mp_add_~i~0#1 % 256); 15072#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 15042#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; 15043#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 15033#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 15031#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15032#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15028#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 15026#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15027#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15022#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; 15023#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 14697#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 14698#L90 assume !(0 == mp_add_~i~0#1 % 256); 14686#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 14687#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 14678#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; 14679#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 15268#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15287#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15285#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15283#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 15281#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15193#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; 15174#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 15167#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 15161#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 15158#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15155#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15152#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15150#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15148#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15145#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; 15146#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15140#L84 assume !(0 == mp_add_~i~0#1 % 256); 15141#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; 15180#L85-1 [2022-11-02 20:45:32,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:32,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1153533403, now seen corresponding path program 1 times [2022-11-02 20:45:32,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:32,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702976951] [2022-11-02 20:45:32,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:32,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:32,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:32,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:32,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:32,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1302824967, now seen corresponding path program 1 times [2022-11-02 20:45:32,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:32,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492983570] [2022-11-02 20:45:32,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:32,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:32,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:32,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492983570] [2022-11-02 20:45:32,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492983570] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:32,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107356386] [2022-11-02 20:45:32,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:32,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:32,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:32,250 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:32,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-02 20:45:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:32,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:45:32,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-02 20:45:32,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:45:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-02 20:45:32,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107356386] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:45:32,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:45:32,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2022-11-02 20:45:32,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201879556] [2022-11-02 20:45:32,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:45:32,611 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:45:32,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:32,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 20:45:32,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:45:32,612 INFO L87 Difference]: Start difference. First operand 904 states and 1053 transitions. cyclomatic complexity: 156 Second operand has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 14 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:34,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:34,481 INFO L93 Difference]: Finished difference Result 1162 states and 1310 transitions. [2022-11-02 20:45:34,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1162 states and 1310 transitions. [2022-11-02 20:45:34,489 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 268 [2022-11-02 20:45:34,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1162 states to 1160 states and 1290 transitions. [2022-11-02 20:45:34,494 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1160 [2022-11-02 20:45:34,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1160 [2022-11-02 20:45:34,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1160 states and 1290 transitions. [2022-11-02 20:45:34,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:34,497 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1160 states and 1290 transitions. [2022-11-02 20:45:34,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states and 1290 transitions. [2022-11-02 20:45:34,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 463. [2022-11-02 20:45:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 463 states have (on average 1.1209503239740821) internal successors, (519), 462 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:34,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 519 transitions. [2022-11-02 20:45:34,513 INFO L240 hiAutomatonCegarLoop]: Abstraction has 463 states and 519 transitions. [2022-11-02 20:45:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-02 20:45:34,514 INFO L428 stractBuchiCegarLoop]: Abstraction has 463 states and 519 transitions. [2022-11-02 20:45:34,514 INFO L335 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2022-11-02 20:45:34,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 463 states and 519 transitions. [2022-11-02 20:45:34,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2022-11-02 20:45:34,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:34,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:34,517 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:34,518 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:34,518 INFO L748 eck$LassoCheckResult]: Stem: 17090#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); 17080#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; 17070#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 17072#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 17073#L63 assume !(0 == mp_add_~a1~0#1 % 256); 17074#L59-1 mp_add_~nb~0#1 := 4; 17083#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 17077#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 17079#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 17212#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 17213#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; 17207#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 17209#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 17366#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; 17365#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 17364#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 17363#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 17361#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 17360#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 17359#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 17358#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 17357#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 17356#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 17355#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; 17354#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 17353#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 17352#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 17349#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 17348#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 17347#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 17345#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 17346#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 17322#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; 17323#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 17312#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 17313#L90 assume !(0 == mp_add_~i~0#1 % 256); 17308#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 17309#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; 17502#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 17501#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 17499#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 17497#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 17495#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 17493#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 17489#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 17487#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; 17484#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 17481#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 17102#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 17525#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 17528#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 17527#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 17526#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 17094#L102-1 [2022-11-02 20:45:34,518 INFO L750 eck$LassoCheckResult]: Loop: 17094#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 17091#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; 17092#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 17088#L84 assume !(0 == mp_add_~i~0#1 % 256); 17089#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 17093#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 17081#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 17082#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 17068#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 17069#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 17084#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 17075#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 17076#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 17094#L102-1 [2022-11-02 20:45:34,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:34,519 INFO L85 PathProgramCache]: Analyzing trace with hash 724144245, now seen corresponding path program 1 times [2022-11-02 20:45:34,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:34,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780482614] [2022-11-02 20:45:34,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:34,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:45:34,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:34,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780482614] [2022-11-02 20:45:34,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780482614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:34,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:34,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:45:34,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349019259] [2022-11-02 20:45:34,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:34,646 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:34,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:34,647 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 1 times [2022-11-02 20:45:34,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:34,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236597170] [2022-11-02 20:45:34,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:34,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:34,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:34,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:34,789 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:34,791 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:34,791 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:34,791 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:34,792 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:45:34,792 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:34,792 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:34,792 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:34,792 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration21_Loop [2022-11-02 20:45:34,792 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:34,793 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:34,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:34,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:35,157 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:35,158 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:45:35,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:35,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:35,163 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:35,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:35,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:35,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:45:35,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:35,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:35,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:35,283 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:35,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:45:35,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:35,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:45:36,324 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:45:36,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:36,331 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:36,331 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:36,331 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:36,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:36,347 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:45:36,347 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:36,347 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:36,347 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:36,347 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration21_Loop [2022-11-02 20:45:36,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:36,348 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:36,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:36,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:36,707 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:36,711 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:45:36,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:36,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:36,713 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:36,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:45:36,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:36,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:36,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:36,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:36,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:36,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:36,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:36,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:36,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:36,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-11-02 20:45:36,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:36,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:36,786 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:36,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:45:36,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:36,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:36,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:36,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:36,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:36,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:36,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:36,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:36,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:36,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:36,833 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:45:36,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:36,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:36,834 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:36,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 20:45:36,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:36,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:36,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:36,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:36,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:36,853 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:36,859 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:36,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:36,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:36,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:36,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:36,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:36,910 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:36,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 20:45:36,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:36,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:36,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:36,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:36,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:36,925 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:36,939 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:36,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:36,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:36,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:36,993 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:45:36,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:36,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:36,995 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 20:45:37,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:37,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,020 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:37,026 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:37,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,068 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 20:45:37,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:37,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,084 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:37,088 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:37,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,135 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:45:37,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,137 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 20:45:37,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:37,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,163 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:37,171 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:37,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,218 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 20:45:37,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:37,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,231 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:37,235 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:37,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,263 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:45:37,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,265 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 20:45:37,266 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 [2022-11-02 20:45:37,277 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:37,277 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:37,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,277 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:37,284 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:37,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,356 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,377 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:37,378 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:37,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,378 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:37,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 20:45:37,382 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:37,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,435 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:45:37,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,437 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 20:45:37,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:37,459 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:37,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,460 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:37,473 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:37,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,542 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 20:45:37,563 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:37,563 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:37,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,563 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:37,568 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:37,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,616 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:45:37,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,617 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 20:45:37,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:37,637 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:37,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,637 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:37,648 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:37,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,699 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 20:45:37,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,716 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:37,716 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:37,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,717 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:37,721 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:37,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,782 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:45:37,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,783 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 20:45:37,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:37,799 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:37,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,800 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:37,805 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:37,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,868 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 20:45:37,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,883 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:37,883 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:37,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,884 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:37,887 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:37,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:37,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:37,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,955 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:45:37,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:37,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:37,956 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:37,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:37,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 20:45:37,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:37,975 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:37,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:37,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:37,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:37,975 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:37,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:37,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:38,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:38,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:38,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:38,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:38,045 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:38,051 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 [2022-11-02 20:45:38,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 20:45:38,066 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:38,066 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:38,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:38,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:38,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:38,066 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:38,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:38,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:38,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:38,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:38,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:38,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:45:38,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:45:38,124 INFO L87 Difference]: Start difference. First operand 463 states and 519 transitions. cyclomatic complexity: 57 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) [2022-11-02 20:45:38,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:38,332 INFO L93 Difference]: Finished difference Result 581 states and 649 transitions. [2022-11-02 20:45:38,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 581 states and 649 transitions. [2022-11-02 20:45:38,335 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2022-11-02 20:45:38,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 581 states to 567 states and 631 transitions. [2022-11-02 20:45:38,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 567 [2022-11-02 20:45:38,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 567 [2022-11-02 20:45:38,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 567 states and 631 transitions. [2022-11-02 20:45:38,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:38,339 INFO L218 hiAutomatonCegarLoop]: Abstraction has 567 states and 631 transitions. [2022-11-02 20:45:38,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states and 631 transitions. [2022-11-02 20:45:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 517. [2022-11-02 20:45:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 517 states have (on average 1.1179883945841393) internal successors, (578), 516 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 578 transitions. [2022-11-02 20:45:38,350 INFO L240 hiAutomatonCegarLoop]: Abstraction has 517 states and 578 transitions. [2022-11-02 20:45:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:45:38,351 INFO L428 stractBuchiCegarLoop]: Abstraction has 517 states and 578 transitions. [2022-11-02 20:45:38,351 INFO L335 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2022-11-02 20:45:38,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 517 states and 578 transitions. [2022-11-02 20:45:38,353 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2022-11-02 20:45:38,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:38,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:38,354 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:38,354 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:38,354 INFO L748 eck$LassoCheckResult]: Stem: 18150#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); 18140#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; 18124#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 18126#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 18127#L63 assume !(0 == mp_add_~a1~0#1 % 256); 18128#L59-1 mp_add_~nb~0#1 := 4; 18145#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 18147#L71 assume !(0 == mp_add_~b2~0#1 % 256); 18281#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 18192#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; 18193#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 18279#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 18553#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; 18551#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 18549#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 18546#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 18543#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 18540#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 18537#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 18534#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 18531#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 18529#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 18526#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; 18524#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 18477#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 18520#L90 assume !(0 == mp_add_~i~0#1 % 256); 18518#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; 18516#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 18513#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 18510#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 18507#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 18504#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 18502#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 18499#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 18446#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 18442#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; 18438#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 18316#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 18317#L90 assume !(0 == mp_add_~i~0#1 % 256); 18432#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 18431#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; 18430#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 18428#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~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); 18426#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 18425#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); 18423#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 18422#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; 18420#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 18419#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 18356#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 18355#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 18354#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 18353#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 18352#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 18335#L102-1 [2022-11-02 20:45:38,354 INFO L750 eck$LassoCheckResult]: Loop: 18335#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 18336#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; 18328#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 18327#L84 assume !(0 == mp_add_~i~0#1 % 256); 18326#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 18325#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 18320#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 18321#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 18347#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 18346#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 18345#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 18344#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 18343#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 18335#L102-1 [2022-11-02 20:45:38,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:38,355 INFO L85 PathProgramCache]: Analyzing trace with hash -644261393, now seen corresponding path program 1 times [2022-11-02 20:45:38,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:38,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52877937] [2022-11-02 20:45:38,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-02 20:45:38,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:38,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52877937] [2022-11-02 20:45:38,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52877937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:38,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:38,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:45:38,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282273402] [2022-11-02 20:45:38,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:38,555 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:38,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:38,555 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 2 times [2022-11-02 20:45:38,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:38,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741052781] [2022-11-02 20:45:38,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:38,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:38,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:38,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:38,700 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:38,700 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:38,700 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:38,700 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:38,700 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:45:38,700 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:38,700 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:38,700 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:38,700 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration22_Loop [2022-11-02 20:45:38,700 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:38,701 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:38,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:38,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:38,982 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:38,982 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:45:38,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:38,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:38,984 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:38,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:38,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:39,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 20:45:39,031 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:39,031 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: [] [2022-11-02 20:45:39,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:39,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:39,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:39,143 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:39,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:39,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:39,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 20:45:39,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:39,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:39,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:39,301 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:39,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-02 20:45:39,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:45:39,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:40,246 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:45:40,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-02 20:45:40,251 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:40,251 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:40,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:40,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:40,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:45:40,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:40,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:40,251 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:40,251 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration22_Loop [2022-11-02 20:45:40,251 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:40,251 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:40,252 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:40,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:40,638 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:40,638 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:45:40,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:40,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:40,643 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:40,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:40,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:40,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:40,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:40,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:40,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:40,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:40,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:40,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 20:45:40,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:40,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:40,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:40,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:40,720 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:40,729 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 [2022-11-02 20:45:40,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-02 20:45:40,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:40,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:40,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:40,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:40,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:40,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:40,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:40,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:40,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:40,804 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:45:40,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:40,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:40,806 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:40,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:40,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-02 20:45:40,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:40,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:40,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:40,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:40,826 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:40,829 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:40,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:40,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:40,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-02 20:45:40,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:40,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:40,863 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:40,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-02 20:45:40,865 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 [2022-11-02 20:45:40,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:40,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:40,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:40,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:40,879 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:40,883 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:40,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:40,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:40,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-02 20:45:40,913 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:45:40,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:40,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:40,914 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:40,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-02 20:45:40,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:40,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:40,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:40,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:40,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:40,928 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:40,930 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:40,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:40,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:40,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:40,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:40,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:40,965 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:40,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:40,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-02 20:45:40,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:40,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:40,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:40,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:40,986 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:40,991 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:40,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:40,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,023 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:45:41,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,024 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-02 20:45:41,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:41,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,038 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:41,044 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:41,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,078 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-02 20:45:41,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:41,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,093 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:41,102 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:41,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-02 20:45:41,159 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:45:41,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,160 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-02 20:45:41,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,173 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,173 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:41,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,173 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:41,175 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:41,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-02 20:45:41,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,209 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-02 20:45:41,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,221 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,222 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:41,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,222 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:41,226 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:41,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,259 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:45:41,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,260 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-02 20:45:41,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,273 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,273 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:41,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,274 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:41,277 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:41,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,342 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-02 20:45:41,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,356 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,356 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:41,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,356 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:41,362 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:41,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,400 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:45:41,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,402 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-02 20:45:41,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,415 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,415 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:41,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,415 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:41,420 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:41,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-11-02 20:45:41,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,486 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-02 20:45:41,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,501 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,501 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:41,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,502 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:41,512 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:41,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,587 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:45:41,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,589 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,609 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,609 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:41,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,610 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:41,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-02 20:45:41,613 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:41,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,673 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-02 20:45:41,693 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,693 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:41,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,694 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:41,700 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:41,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,763 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:45:41,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,765 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,768 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 [2022-11-02 20:45:41,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-02 20:45:41,784 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,784 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:41,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,784 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:41,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:41,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,859 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:41,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-02 20:45:41,875 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:41,875 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:41,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:41,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:41,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:41,876 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:41,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:41,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:41,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:41,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:41,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:41,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:45:41,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:45:41,945 INFO L87 Difference]: Start difference. First operand 517 states and 578 transitions. cyclomatic complexity: 63 Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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) [2022-11-02 20:45:42,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:42,480 INFO L93 Difference]: Finished difference Result 1342 states and 1491 transitions. [2022-11-02 20:45:42,480 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1342 states and 1491 transitions. [2022-11-02 20:45:42,489 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 124 [2022-11-02 20:45:42,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1342 states to 1342 states and 1491 transitions. [2022-11-02 20:45:42,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1342 [2022-11-02 20:45:42,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1342 [2022-11-02 20:45:42,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1342 states and 1491 transitions. [2022-11-02 20:45:42,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:42,499 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1342 states and 1491 transitions. [2022-11-02 20:45:42,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states and 1491 transitions. [2022-11-02 20:45:42,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 530. [2022-11-02 20:45:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 530 states have (on average 1.120754716981132) internal successors, (594), 529 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:42,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 594 transitions. [2022-11-02 20:45:42,519 INFO L240 hiAutomatonCegarLoop]: Abstraction has 530 states and 594 transitions. [2022-11-02 20:45:42,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:45:42,520 INFO L428 stractBuchiCegarLoop]: Abstraction has 530 states and 594 transitions. [2022-11-02 20:45:42,520 INFO L335 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2022-11-02 20:45:42,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 530 states and 594 transitions. [2022-11-02 20:45:42,523 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2022-11-02 20:45:42,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:42,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:42,524 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:42,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:42,525 INFO L748 eck$LassoCheckResult]: Stem: 20022#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); 20014#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; 19998#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 20000#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 20001#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 20002#L59-1 mp_add_~nb~0#1 := 4; 20083#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 20081#L71 assume !(0 == mp_add_~b2~0#1 % 256); 20082#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 20075#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; 20076#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 20128#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 20129#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; 20124#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 20125#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 20120#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 20121#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 20116#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 20117#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 20112#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 20113#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 20108#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 20109#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; 20045#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 20041#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 20042#L90 assume !(0 == mp_add_~i~0#1 % 256); 20037#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; 20038#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 20412#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 20411#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 20410#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 20409#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 20408#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 20407#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 20406#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 20405#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; 20169#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 20165#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 20028#L90 assume !(0 == mp_add_~i~0#1 % 256); 20029#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 20004#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; 20005#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 20006#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 20455#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 20454#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 20452#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 20450#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 20449#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 20448#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; 20443#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 20442#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 20433#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 20432#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 20431#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 20430#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 20429#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 20415#L102-1 [2022-11-02 20:45:42,525 INFO L750 eck$LassoCheckResult]: Loop: 20415#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 20416#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; 20403#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 20404#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 20426#L90 assume !(0 == mp_add_~i~0#1 % 256); 20428#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 20427#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 20424#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 20423#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 20422#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 20421#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 20420#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 20419#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 20415#L102-1 [2022-11-02 20:45:42,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:42,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2112365873, now seen corresponding path program 1 times [2022-11-02 20:45:42,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:42,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446848580] [2022-11-02 20:45:42,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:42,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-02 20:45:42,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:42,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446848580] [2022-11-02 20:45:42,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446848580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:42,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:42,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:45:42,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326122645] [2022-11-02 20:45:42,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:42,738 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:42,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:42,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 1 times [2022-11-02 20:45:42,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:42,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139165565] [2022-11-02 20:45:42,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:42,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:42,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:42,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:42,929 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:42,929 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:42,929 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:42,929 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:42,929 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:45:42,930 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:42,930 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:42,930 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:42,930 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration23_Loop [2022-11-02 20:45:42,930 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:42,930 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:42,931 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:42,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:43,275 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:43,276 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:45:43,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:43,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:43,279 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:43,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:43,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:43,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-02 20:45:43,316 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:43,316 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: [] [2022-11-02 20:45:43,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:43,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:43,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:43,353 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:43,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:43,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:43,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-02 20:45:43,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:43,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:43,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:43,461 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:43,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:45:43,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-02 20:45:44,350 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:45:44,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-02 20:45:44,355 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:44,355 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:44,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:44,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:44,355 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:45:44,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:44,356 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:44,356 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:44,356 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration23_Loop [2022-11-02 20:45:44,356 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:44,356 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:44,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:44,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:44,688 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:44,688 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:45:44,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:44,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:44,690 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:44,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:44,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-02 20:45:44,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:44,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:44,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:44,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:44,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:44,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:44,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:44,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:44,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-02 20:45:44,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:44,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:44,747 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:44,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-02 20:45:44,752 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 [2022-11-02 20:45:44,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:44,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:44,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:44,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:44,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:44,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:44,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:44,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:44,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-02 20:45:44,813 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:45:44,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:44,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:44,814 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:44,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-02 20:45:44,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:44,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:44,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:44,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:44,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:44,829 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:44,831 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:44,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:44,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:44,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-02 20:45:44,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:44,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:44,861 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:44,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-02 20:45:44,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:44,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:44,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:44,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:44,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:44,875 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:44,881 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:44,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:44,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:44,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-02 20:45:44,919 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:45:44,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:44,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:44,921 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:44,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-02 20:45:44,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:44,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:44,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:44,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:44,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:44,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:44,942 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:44,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:44,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:44,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:44,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:44,997 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-02 20:45:45,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:45,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,019 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:45,025 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:45,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:45,084 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:45:45,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,090 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-02 20:45:45,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:45,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,108 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:45,111 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:45,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:45,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,177 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-02 20:45:45,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:45,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,198 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:45,204 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:45,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:45,254 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:45:45,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,256 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-02 20:45:45,272 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,272 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:45,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,273 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:45,275 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:45,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:45,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,333 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-02 20:45:45,350 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,350 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:45,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,350 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:45,355 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:45,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:45,417 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:45:45,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,420 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-02 20:45:45,436 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,436 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:45,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,437 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:45,440 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:45,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:45,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,503 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-02 20:45:45,522 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,522 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:45,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,523 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:45,531 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:45,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:45,601 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:45:45,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,602 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-02 20:45:45,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,622 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:45,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,622 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:45,626 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:45,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-02 20:45:45,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,684 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-02 20:45:45,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,703 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,704 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:45,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,704 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:45,712 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:45,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:45,757 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:45:45,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,758 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-02 20:45:45,774 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,775 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:45,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,775 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:45,777 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:45,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-11-02 20:45:45,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,809 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-02 20:45:45,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,822 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,822 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:45,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,822 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:45,827 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:45,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-11-02 20:45:45,865 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:45:45,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,866 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-02 20:45:45,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,878 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:45,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,879 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:45,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:45,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-02 20:45:45,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,916 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-02 20:45:45,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:45,928 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:45,928 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:45,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:45,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:45,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:45,929 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:45,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:45,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:45,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:45,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:45,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:45:45,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:45:45,975 INFO L87 Difference]: Start difference. First operand 530 states and 594 transitions. cyclomatic complexity: 66 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) [2022-11-02 20:45:46,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:46,586 INFO L93 Difference]: Finished difference Result 1303 states and 1446 transitions. [2022-11-02 20:45:46,586 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1303 states and 1446 transitions. [2022-11-02 20:45:46,593 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 124 [2022-11-02 20:45:46,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1303 states to 1303 states and 1446 transitions. [2022-11-02 20:45:46,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1303 [2022-11-02 20:45:46,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1303 [2022-11-02 20:45:46,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1303 states and 1446 transitions. [2022-11-02 20:45:46,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:46,603 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1303 states and 1446 transitions. [2022-11-02 20:45:46,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states and 1446 transitions. [2022-11-02 20:45:46,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 478. [2022-11-02 20:45:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 478 states have (on average 1.1150627615062763) internal successors, (533), 477 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 533 transitions. [2022-11-02 20:45:46,618 INFO L240 hiAutomatonCegarLoop]: Abstraction has 478 states and 533 transitions. [2022-11-02 20:45:46,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:45:46,619 INFO L428 stractBuchiCegarLoop]: Abstraction has 478 states and 533 transitions. [2022-11-02 20:45:46,619 INFO L335 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2022-11-02 20:45:46,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 478 states and 533 transitions. [2022-11-02 20:45:46,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2022-11-02 20:45:46,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:46,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:46,623 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:46,623 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:46,623 INFO L748 eck$LassoCheckResult]: Stem: 21874#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); 21865#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; 21849#L59 assume !(0 == mp_add_~a3~0#1 % 256); 21850#L59-1 mp_add_~nb~0#1 := 4; 21868#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 21938#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 21936#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 21937#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 22106#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; 22105#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 22104#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; 22103#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 22102#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 22101#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 22100#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 22099#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; 22098#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 22097#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 22096#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 22095#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 22094#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 22093#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 22092#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 22091#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 22090#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 22089#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; 22088#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 22087#L84 assume !(0 == mp_add_~i~0#1 % 256); 22086#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; 22085#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 22084#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 22082#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 22083#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 22288#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 22287#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 22286#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 22285#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 22284#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 22283#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; 22282#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 22281#L84 assume !(0 == mp_add_~i~0#1 % 256); 22280#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 22278#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; 22279#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 22318#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 22314#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 22312#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 22310#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 22308#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 22306#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 22304#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 22302#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; 22291#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 22292#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 22326#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 22317#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 22324#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 22322#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 22320#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 21878#L102-1 [2022-11-02 20:45:46,624 INFO L750 eck$LassoCheckResult]: Loop: 21878#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 21875#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; 21876#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 21872#L84 assume !(0 == mp_add_~i~0#1 % 256); 21873#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 21877#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 21866#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 21867#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 21858#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 21859#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 21869#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 21863#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 21864#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 21878#L102-1 [2022-11-02 20:45:46,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:46,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1768542192, now seen corresponding path program 1 times [2022-11-02 20:45:46,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:46,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476824749] [2022-11-02 20:45:46,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:46,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-02 20:45:46,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:46,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476824749] [2022-11-02 20:45:46,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476824749] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:46,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841363355] [2022-11-02 20:45:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:46,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:46,800 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:46,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-11-02 20:45:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:45:46,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-02 20:45:47,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:45:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 22 proven. 24 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-02 20:45:47,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841363355] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:45:47,336 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:45:47,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 9 [2022-11-02 20:45:47,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817291870] [2022-11-02 20:45:47,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:45:47,337 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:47,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:47,338 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 3 times [2022-11-02 20:45:47,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:47,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688217179] [2022-11-02 20:45:47,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:47,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:47,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:47,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:47,476 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:47,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:47,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:47,476 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:47,476 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:45:47,476 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:47,476 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:47,476 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:47,476 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration24_Loop [2022-11-02 20:45:47,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:47,476 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:47,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:47,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:47,817 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:47,817 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:45:47,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:47,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:47,819 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:47,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-02 20:45:47,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:47,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:47,854 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:47,854 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: [] [2022-11-02 20:45:47,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:47,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:47,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:47,895 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:47,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:47,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:47,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-02 20:45:48,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:48,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:48,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:48,003 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:48,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:45:48,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:48,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-02 20:45:49,225 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:45:49,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-11-02 20:45:49,230 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:49,231 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:49,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:49,231 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:49,231 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:45:49,231 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,231 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:49,231 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:49,231 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration24_Loop [2022-11-02 20:45:49,231 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:49,231 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:49,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:49,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:49,525 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:49,526 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:45:49,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:49,527 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:49,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-02 20:45:49,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:49,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:49,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:49,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:49,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:49,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:49,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:49,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:49,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:49,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2022-11-02 20:45:49,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:49,585 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:49,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-02 20:45:49,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:49,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:49,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:49,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:49,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:49,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:49,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:49,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:49,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:49,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:49,650 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:45:49,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:49,651 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:49,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-02 20:45:49,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:49,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:49,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:49,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:49,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:49,665 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:49,667 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:49,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:49,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:49,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:49,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:49,694 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:49,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-02 20:45:49,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:49,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:49,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:49,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:49,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:49,707 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:49,711 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:49,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:49,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:49,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-11-02 20:45:49,744 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:45:49,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:49,745 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:49,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:49,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-02 20:45:49,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:49,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:49,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:49,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:49,759 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:49,762 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:49,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:49,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:49,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-11-02 20:45:49,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:49,794 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:49,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-02 20:45:49,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:49,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:49,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:49,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:49,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:49,808 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:49,812 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:49,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:49,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:49,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:49,844 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:45:49,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:49,845 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:49,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-02 20:45:49,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:49,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:49,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:49,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:49,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:49,858 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:49,860 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:49,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:49,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:49,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-11-02 20:45:49,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:49,893 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:49,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-02 20:45:49,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:49,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:49,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:49,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:49,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:49,905 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:49,911 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:49,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:49,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:49,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:49,946 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:45:49,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:49,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:49,947 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:49,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-02 20:45:49,949 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 [2022-11-02 20:45:49,960 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:49,960 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:49,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:49,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:49,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:49,960 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:49,963 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:49,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:49,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2022-11-02 20:45:50,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:50,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:50,036 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:50,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-02 20:45:50,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:50,063 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:50,063 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:50,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:50,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:50,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:50,064 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:50,068 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:50,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:50,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:50,101 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:45:50,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:50,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:50,103 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:50,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-02 20:45:50,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:50,116 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:50,116 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:50,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:50,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:50,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:50,116 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:50,119 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:50,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:50,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:50,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:50,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:50,152 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:50,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-02 20:45:50,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:50,164 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:50,164 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:50,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:50,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:50,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:50,164 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:50,170 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:50,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:50,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:50,216 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:45:50,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:50,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:50,217 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:50,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-02 20:45:50,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:50,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:50,230 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:50,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:50,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:50,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:50,230 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:50,234 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:50,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:50,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2022-11-02 20:45:50,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:50,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:50,270 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:50,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-11-02 20:45:50,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:50,284 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:50,285 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:50,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:50,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:50,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:50,285 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:50,293 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:50,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:50,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:50,338 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:45:50,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:50,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:50,339 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:50,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-02 20:45:50,340 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 [2022-11-02 20:45:50,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:50,352 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:50,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:50,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:50,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:50,352 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:50,354 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:50,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:50,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2022-11-02 20:45:50,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:50,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:50,408 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:50,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-02 20:45:50,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:50,420 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:50,420 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:50,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:50,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:50,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:50,421 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:50,426 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:50,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:50,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2022-11-02 20:45:50,466 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:45:50,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:50,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:50,468 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:50,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-02 20:45:50,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:50,479 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:50,479 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:50,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:50,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:50,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:50,480 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:50,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:50,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:50,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2022-11-02 20:45:50,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:50,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:50,515 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:50,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-02 20:45:50,516 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 [2022-11-02 20:45:50,527 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:50,527 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:50,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:50,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:50,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:50,527 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:50,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:50,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:50,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:50,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2022-11-02 20:45:50,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:50,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:45:50,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:45:50,570 INFO L87 Difference]: Start difference. First operand 478 states and 533 transitions. cyclomatic complexity: 57 Second operand has 10 states, 9 states have (on average 13.444444444444445) internal successors, (121), 10 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) [2022-11-02 20:45:50,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:50,775 INFO L93 Difference]: Finished difference Result 824 states and 907 transitions. [2022-11-02 20:45:50,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 824 states and 907 transitions. [2022-11-02 20:45:50,790 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2022-11-02 20:45:50,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 824 states to 806 states and 886 transitions. [2022-11-02 20:45:50,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 806 [2022-11-02 20:45:50,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 806 [2022-11-02 20:45:50,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 806 states and 886 transitions. [2022-11-02 20:45:50,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:50,799 INFO L218 hiAutomatonCegarLoop]: Abstraction has 806 states and 886 transitions. [2022-11-02 20:45:50,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states and 886 transitions. [2022-11-02 20:45:50,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 651. [2022-11-02 20:45:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 651 states have (on average 1.109062980030722) internal successors, (722), 650 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 722 transitions. [2022-11-02 20:45:50,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 651 states and 722 transitions. [2022-11-02 20:45:50,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:45:50,818 INFO L428 stractBuchiCegarLoop]: Abstraction has 651 states and 722 transitions. [2022-11-02 20:45:50,818 INFO L335 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2022-11-02 20:45:50,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 651 states and 722 transitions. [2022-11-02 20:45:50,823 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2022-11-02 20:45:50,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:50,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:50,825 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:50,825 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:50,825 INFO L748 eck$LassoCheckResult]: Stem: 23541#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); 23531#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; 23514#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 23516#L61 assume !(0 == mp_add_~a2~0#1 % 256); 23517#L59-1 mp_add_~nb~0#1 := 4; 23534#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 23526#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 23528#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 23879#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 23878#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; 23877#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 23876#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; 23875#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 23874#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 23873#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 23872#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 23871#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; 23870#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 23869#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 23868#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 23867#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 23866#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 23865#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 23864#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 23863#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 23862#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 23861#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; 23860#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 23859#L84 assume !(0 == mp_add_~i~0#1 % 256); 23858#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; 23857#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 23856#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 23854#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 23855#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 24120#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 24121#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 24116#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 24117#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 24112#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 24113#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; 24108#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 24109#L84 assume !(0 == mp_add_~i~0#1 % 256); 24104#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 24105#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; 24143#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 24142#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 24140#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 24139#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 24138#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 24137#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 24136#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 24135#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 24134#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; 24133#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 24132#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 24131#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 24128#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 24126#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 24127#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 24123#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 23545#L102-1 [2022-11-02 20:45:50,825 INFO L750 eck$LassoCheckResult]: Loop: 23545#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 24163#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; 24153#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 23539#L84 assume !(0 == mp_add_~i~0#1 % 256); 23540#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 23544#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 23532#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 23533#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 23524#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 23525#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 23535#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 23529#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 23530#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 23545#L102-1 [2022-11-02 20:45:50,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:50,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1568749298, now seen corresponding path program 1 times [2022-11-02 20:45:50,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:50,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000206096] [2022-11-02 20:45:50,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:50,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:50,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:50,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:50,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:50,880 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 4 times [2022-11-02 20:45:50,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:50,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171932319] [2022-11-02 20:45:50,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:50,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:50,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:50,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:50,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:50,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1645369217, now seen corresponding path program 2 times [2022-11-02 20:45:50,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:50,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025846862] [2022-11-02 20:45:50,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:50,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-02 20:45:51,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:51,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025846862] [2022-11-02 20:45:51,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025846862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:51,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:51,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:45:51,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421708254] [2022-11-02 20:45:51,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:51,216 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:51,217 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:51,217 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:51,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:51,217 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:45:51,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:51,217 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:51,217 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:51,217 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration25_Loop [2022-11-02 20:45:51,217 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:51,217 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:51,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:51,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:51,473 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:51,473 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:45:51,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:51,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:51,475 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:51,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-02 20:45:51,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:51,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:51,506 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:51,506 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: [] [2022-11-02 20:45:51,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2022-11-02 20:45:51,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:51,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:51,534 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:51,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-02 20:45:51,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:51,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:51,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2022-11-02 20:45:51,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:51,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:51,611 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:51,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-11-02 20:45:51,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:45:51,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:52,232 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:45:52,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2022-11-02 20:45:52,237 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:52,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:52,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:52,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:52,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:45:52,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:52,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:52,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration25_Loop [2022-11-02 20:45:52,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:52,238 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:52,239 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:52,245 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:52,536 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:52,536 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:45:52,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,538 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-11-02 20:45:52,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:52,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:52,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:52,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:52,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:52,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:52,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2022-11-02 20:45:52,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,578 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-11-02 20:45:52,579 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 [2022-11-02 20:45:52,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:52,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:52,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:52,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:52,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:52,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:52,618 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:45:52,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,620 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-11-02 20:45:52,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:52,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:52,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,631 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:52,633 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:52,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:52,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:52,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2022-11-02 20:45:52,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,660 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-11-02 20:45:52,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:52,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:52,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,673 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:52,676 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:52,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:52,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:52,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2022-11-02 20:45:52,706 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:45:52,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,707 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-11-02 20:45:52,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:52,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:52,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,720 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:52,722 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:52,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:52,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:52,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2022-11-02 20:45:52,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,752 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-11-02 20:45:52,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:52,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:52,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,764 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:52,768 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:52,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:52,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:52,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:52,801 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:45:52,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,803 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-11-02 20:45:52,804 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 [2022-11-02 20:45:52,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:52,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,815 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:52,817 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:52,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:52,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:52,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2022-11-02 20:45:52,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,847 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-11-02 20:45:52,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:52,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:52,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,860 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:52,865 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:52,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:52,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:52,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:52,897 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:45:52,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,898 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-11-02 20:45:52,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:52,911 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:52,911 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:52,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,912 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:52,914 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:52,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:52,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:52,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:52,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:52,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:52,983 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:52,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-11-02 20:45:52,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:52,995 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:52,995 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:52,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:52,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:52,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:52,996 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:52,999 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:52,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:53,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:53,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:53,030 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:45:53,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:53,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:53,031 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:53,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-11-02 20:45:53,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:53,043 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:53,043 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:53,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:53,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:53,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:53,044 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:53,046 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:53,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:53,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:53,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2022-11-02 20:45:53,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:53,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:53,077 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:53,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-11-02 20:45:53,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:53,090 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:53,090 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:53,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:53,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:53,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:53,090 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:53,096 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:53,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:53,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:53,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:53,138 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:45:53,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:53,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:53,139 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:53,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-11-02 20:45:53,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:53,153 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:53,153 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:53,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:53,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:53,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:53,153 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:53,157 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:53,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:53,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:53,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2022-11-02 20:45:53,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:53,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:53,193 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:53,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-11-02 20:45:53,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:53,206 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:53,206 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:53,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:53,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:53,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:53,207 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:53,215 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:53,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:53,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:53,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2022-11-02 20:45:53,277 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:45:53,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:53,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:53,278 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:53,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-11-02 20:45:53,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:53,290 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:53,290 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:53,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:53,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:53,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:53,290 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:53,293 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:53,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:53,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:53,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:53,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:53,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:53,322 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:53,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-11-02 20:45:53,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:53,334 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:53,334 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:53,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:53,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:53,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:53,334 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:53,338 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:53,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:53,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:53,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2022-11-02 20:45:53,370 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:45:53,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:53,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:53,371 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:53,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-11-02 20:45:53,372 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 [2022-11-02 20:45:53,383 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:53,383 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:53,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:53,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:53,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:53,384 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:53,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:53,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:53,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:53,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2022-11-02 20:45:53,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:53,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:53,446 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:53,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-11-02 20:45:53,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:53,460 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:53,460 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:53,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:53,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:53,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:53,461 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:53,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:53,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:53,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:53,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:53,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:53,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:45:53,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:45:53,505 INFO L87 Difference]: Start difference. First operand 651 states and 722 transitions. cyclomatic complexity: 73 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) [2022-11-02 20:45:53,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:53,917 INFO L93 Difference]: Finished difference Result 804 states and 881 transitions. [2022-11-02 20:45:53,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 804 states and 881 transitions. [2022-11-02 20:45:53,922 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 54 [2022-11-02 20:45:53,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 804 states to 773 states and 849 transitions. [2022-11-02 20:45:53,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 773 [2022-11-02 20:45:53,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 773 [2022-11-02 20:45:53,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 773 states and 849 transitions. [2022-11-02 20:45:53,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:53,928 INFO L218 hiAutomatonCegarLoop]: Abstraction has 773 states and 849 transitions. [2022-11-02 20:45:53,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states and 849 transitions. [2022-11-02 20:45:53,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 687. [2022-11-02 20:45:53,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 687 states have (on average 1.1018922852983988) internal successors, (757), 686 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:53,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 757 transitions. [2022-11-02 20:45:53,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 687 states and 757 transitions. [2022-11-02 20:45:53,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:45:53,945 INFO L428 stractBuchiCegarLoop]: Abstraction has 687 states and 757 transitions. [2022-11-02 20:45:53,945 INFO L335 stractBuchiCegarLoop]: ======== Iteration 26 ============ [2022-11-02 20:45:53,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 687 states and 757 transitions. [2022-11-02 20:45:53,948 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2022-11-02 20:45:53,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:53,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:53,949 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:45:53,949 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:53,950 INFO L748 eck$LassoCheckResult]: Stem: 25023#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); 25013#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; 25002#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 25004#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 25006#L63 assume !(0 == mp_add_~a1~0#1 % 256); 25007#L59-1 mp_add_~nb~0#1 := 4; 25337#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 25334#L71 assume !(0 == mp_add_~b2~0#1 % 256); 25332#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 25330#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; 25328#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 25325#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; 25322#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 25319#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 25316#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 25313#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 25310#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; 25305#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 25303#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 25301#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 25299#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 25297#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 25295#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 25293#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 25291#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 25289#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 25287#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; 25284#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 25282#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 25280#L90 assume !(0 == mp_add_~i~0#1 % 256); 25278#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; 25276#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 25274#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 25272#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 25270#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 25268#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 25266#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 25264#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 25262#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 25260#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; 25258#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 25256#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 25253#L90 assume !(0 == mp_add_~i~0#1 % 256); 25246#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 25206#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; 25204#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 25202#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 25199#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 25197#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 25195#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 25193#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 25191#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 25189#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; 25187#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 25179#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 25177#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 25174#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 25173#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 25172#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 25168#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 25169#L102-1 [2022-11-02 20:45:53,950 INFO L750 eck$LassoCheckResult]: Loop: 25169#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 25507#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; 25505#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 25503#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 25497#L90 assume !(0 == mp_add_~i~0#1 % 256); 25500#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 25498#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 25495#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 25494#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 25493#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 25491#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 25492#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 25509#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 25169#L102-1 [2022-11-02 20:45:53,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:53,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1142852091, now seen corresponding path program 1 times [2022-11-02 20:45:53,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:53,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777686626] [2022-11-02 20:45:53,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:53,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-02 20:45:54,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:54,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777686626] [2022-11-02 20:45:54,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777686626] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:54,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157155774] [2022-11-02 20:45:54,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:54,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:54,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:54,162 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:54,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (121)] Waiting until timeout for monitored process [2022-11-02 20:45:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:54,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:45:54,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-02 20:45:54,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:45:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-02 20:45:55,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157155774] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:45:55,017 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:45:55,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 15 [2022-11-02 20:45:55,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779403985] [2022-11-02 20:45:55,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:45:55,018 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:45:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:55,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 2 times [2022-11-02 20:45:55,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:55,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376185380] [2022-11-02 20:45:55,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:55,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:55,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:55,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:55,157 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:55,157 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:55,157 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:55,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:55,158 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:45:55,158 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:55,158 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:55,158 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:55,158 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration26_Loop [2022-11-02 20:45:55,158 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:55,158 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:55,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:55,181 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:55,497 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:55,497 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:45:55,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:55,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:55,502 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:55,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:55,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:55,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-11-02 20:45:55,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:55,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:55,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:55,613 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:55,619 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:45:55,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:55,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-11-02 20:45:58,072 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:45:58,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2022-11-02 20:45:58,077 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:58,077 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:58,077 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:58,078 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:58,078 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:45:58,078 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,078 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:58,078 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:58,078 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration26_Loop [2022-11-02 20:45:58,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:58,078 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:58,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:58,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:45:58,359 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:58,360 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:45:58,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,361 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-11-02 20:45:58,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:58,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:58,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:58,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:58,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,405 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-11-02 20:45:58,408 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 [2022-11-02 20:45:58,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:58,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:45:58,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:45:58,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2022-11-02 20:45:58,445 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:45:58,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,446 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-11-02 20:45:58,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:58,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,458 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:58,461 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:58,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2022-11-02 20:45:58,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,491 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-11-02 20:45:58,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:58,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,507 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:58,509 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:58,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:58,534 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:45:58,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,536 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,538 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 [2022-11-02 20:45:58,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-11-02 20:45:58,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:58,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,549 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:58,553 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:58,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2022-11-02 20:45:58,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,582 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-11-02 20:45:58,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:58,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,594 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:58,596 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:58,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2022-11-02 20:45:58,623 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:45:58,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,624 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-11-02 20:45:58,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:58,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,636 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:58,641 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:58,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2022-11-02 20:45:58,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,671 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-11-02 20:45:58,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:45:58,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,684 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:58,686 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:58,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:58,715 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:45:58,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,716 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-11-02 20:45:58,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:58,727 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:58,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,727 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:58,731 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:58,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2022-11-02 20:45:58,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,763 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-11-02 20:45:58,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,774 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:58,774 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:58,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,775 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:45:58,776 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:45:58,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2022-11-02 20:45:58,804 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:45:58,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,806 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2022-11-02 20:45:58,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,819 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:58,819 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:58,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,819 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:58,824 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:58,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:58,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,860 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2022-11-02 20:45:58,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,871 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:58,871 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:45:58,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,871 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:58,874 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:58,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2022-11-02 20:45:58,903 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:45:58,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,904 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2022-11-02 20:45:58,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:58,916 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:58,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,917 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:58,923 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:58,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:58,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2022-11-02 20:45:58,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:58,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:58,964 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:58,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2022-11-02 20:45:58,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:58,977 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:58,977 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:58,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:58,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:58,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:58,978 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:45:58,981 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:45:58,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:58,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:59,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:59,014 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:45:59,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:59,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:59,015 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:59,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2022-11-02 20:45:59,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:59,028 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:59,028 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:59,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:59,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:59,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:59,028 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:59,032 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:59,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:59,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:59,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:59,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:59,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:59,065 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:59,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2022-11-02 20:45:59,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:59,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:59,079 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:45:59,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:59,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:59,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:59,079 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:45:59,081 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:45:59,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:59,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:59,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:59,110 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:45:59,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:59,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:59,111 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:59,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2022-11-02 20:45:59,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:45:59,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:59,123 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:59,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:59,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:59,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:59,124 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:59,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:59,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:59,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:59,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2022-11-02 20:45:59,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:59,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:59,164 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:59,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2022-11-02 20:45:59,166 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 [2022-11-02 20:45:59,176 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:45:59,176 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:45:59,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:45:59,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:45:59,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:45:59,177 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:45:59,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:45:59,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:45:59,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:45:59,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2022-11-02 20:45:59,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:59,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-02 20:45:59,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:45:59,212 INFO L87 Difference]: Start difference. First operand 687 states and 757 transitions. cyclomatic complexity: 73 Second operand has 15 states, 15 states have (on average 6.666666666666667) internal successors, (100), 15 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:00,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:00,856 INFO L93 Difference]: Finished difference Result 1265 states and 1384 transitions. [2022-11-02 20:46:00,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1265 states and 1384 transitions. [2022-11-02 20:46:00,862 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 153 [2022-11-02 20:46:00,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1265 states to 1245 states and 1362 transitions. [2022-11-02 20:46:00,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1245 [2022-11-02 20:46:00,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1245 [2022-11-02 20:46:00,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1245 states and 1362 transitions. [2022-11-02 20:46:00,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:00,871 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1245 states and 1362 transitions. [2022-11-02 20:46:00,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states and 1362 transitions. [2022-11-02 20:46:00,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 763. [2022-11-02 20:46:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 763 states have (on average 1.0996068152031455) internal successors, (839), 762 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 839 transitions. [2022-11-02 20:46:00,894 INFO L240 hiAutomatonCegarLoop]: Abstraction has 763 states and 839 transitions. [2022-11-02 20:46:00,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:46:00,895 INFO L428 stractBuchiCegarLoop]: Abstraction has 763 states and 839 transitions. [2022-11-02 20:46:00,895 INFO L335 stractBuchiCegarLoop]: ======== Iteration 27 ============ [2022-11-02 20:46:00,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 763 states and 839 transitions. [2022-11-02 20:46:00,898 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2022-11-02 20:46:00,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:46:00,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:46:00,899 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:46:00,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:46:00,900 INFO L748 eck$LassoCheckResult]: Stem: 27367#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); 27357#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; 27345#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 27347#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 27349#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 27350#L59-1 mp_add_~nb~0#1 := 4; 27649#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 27647#L71 assume !(0 == mp_add_~b2~0#1 % 256); 27646#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 27645#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; 27644#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 27643#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; 27642#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 27641#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 27640#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 27639#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 27638#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; 27637#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 27636#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 27635#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 27634#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 27633#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 27632#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 27631#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 27630#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 27629#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 27628#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; 27626#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 27627#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 27702#L90 assume !(0 == mp_add_~i~0#1 % 256); 27701#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; 27700#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 27699#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 27698#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 27697#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 27658#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 27657#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 27655#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 27653#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 27651#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; 27607#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 27605#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 27603#L90 assume !(0 == mp_add_~i~0#1 % 256); 27601#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 27599#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; 27597#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 27594#L89 assume mp_add_~partial_sum~0#1 % 65536 > 254;mp_add_~partial_sum~0#1 := (if 0 == mp_add_~partial_sum~0#1 % 65536 then 0 else (if 1 == mp_add_~partial_sum~0#1 % 65536 then 1 else ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255)));mp_add_~carry~0#1 := 1; 27592#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 27590#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 27588#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 27586#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 27584#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 27582#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; 27579#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 27573#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 27571#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 27568#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 27567#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 27565#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 27566#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 27564#L102-1 [2022-11-02 20:46:00,900 INFO L750 eck$LassoCheckResult]: Loop: 27564#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 27913#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; 27375#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 27376#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 27910#L90 assume !(0 == mp_add_~i~0#1 % 256); 27912#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 27911#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 27908#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 27906#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 27905#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 27904#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 27903#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 27563#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 27564#L102-1 [2022-11-02 20:46:00,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:00,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1102177341, now seen corresponding path program 1 times [2022-11-02 20:46:00,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:00,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017170448] [2022-11-02 20:46:00,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:00,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:00,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:00,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:00,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:00,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 3 times [2022-11-02 20:46:00,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:00,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422730025] [2022-11-02 20:46:00,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:00,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:00,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:00,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:00,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:00,956 INFO L85 PathProgramCache]: Analyzing trace with hash -201701748, now seen corresponding path program 2 times [2022-11-02 20:46:00,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:00,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249063543] [2022-11-02 20:46:00,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:00,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-02 20:46:01,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:01,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249063543] [2022-11-02 20:46:01,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249063543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:01,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:01,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:46:01,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495792740] [2022-11-02 20:46:01,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:01,349 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:01,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:01,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:01,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:01,349 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:46:01,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:01,349 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:01,349 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:01,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration27_Loop [2022-11-02 20:46:01,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:01,350 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:01,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:01,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:01,707 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:01,707 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:46:01,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:01,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:01,709 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:01,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2022-11-02 20:46:01,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:01,711 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:01,737 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:46:01,737 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: [] [2022-11-02 20:46:01,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2022-11-02 20:46:01,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:01,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:01,769 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:01,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2022-11-02 20:46:01,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:01,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:01,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2022-11-02 20:46:01,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:01,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:01,837 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:01,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2022-11-02 20:46:01,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:46:01,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:02,754 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:46:02,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:02,760 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:02,760 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:02,760 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:02,760 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:02,760 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:46:02,760 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:02,760 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:02,760 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:02,760 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration27_Loop [2022-11-02 20:46:02,761 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:02,761 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:02,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:02,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:03,083 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:03,083 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:46:03,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,086 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2022-11-02 20:46:03,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:03,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:03,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:03,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:03,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,132 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2022-11-02 20:46:03,134 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 [2022-11-02 20:46:03,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:03,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:03,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:03,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2022-11-02 20:46:03,177 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:46:03,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,179 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2022-11-02 20:46:03,180 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 [2022-11-02 20:46:03,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:03,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,192 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:03,193 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:03,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2022-11-02 20:46:03,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,225 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2022-11-02 20:46:03,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:03,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,239 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:03,242 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:03,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2022-11-02 20:46:03,272 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:46:03,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,274 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2022-11-02 20:46:03,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:03,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,288 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:03,290 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:03,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2022-11-02 20:46:03,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,335 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2022-11-02 20:46:03,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:03,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,349 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:03,353 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:03,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2022-11-02 20:46:03,403 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:46:03,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,404 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2022-11-02 20:46:03,406 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 [2022-11-02 20:46:03,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:03,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,419 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:03,421 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:03,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2022-11-02 20:46:03,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,455 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2022-11-02 20:46:03,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:03,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,469 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:03,475 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:03,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2022-11-02 20:46:03,511 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:46:03,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,513 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2022-11-02 20:46:03,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:03,527 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:03,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,527 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:03,529 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:03,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:03,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,563 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2022-11-02 20:46:03,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,577 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:03,577 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:03,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,578 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:03,582 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:03,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:03,649 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:46:03,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,651 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2022-11-02 20:46:03,674 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:03,675 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:03,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,675 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:03,678 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:03,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:03,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,741 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2022-11-02 20:46:03,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:03,756 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:03,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,756 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:03,762 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:03,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2022-11-02 20:46:03,800 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:46:03,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,801 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2022-11-02 20:46:03,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,814 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:03,814 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:03,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,814 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:03,818 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:03,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2022-11-02 20:46:03,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,852 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2022-11-02 20:46:03,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,865 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:03,865 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:03,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,866 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:03,873 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:03,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:03,914 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:46:03,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,915 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2022-11-02 20:46:03,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,928 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:03,928 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:03,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,929 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:03,931 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:03,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:03,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:03,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2022-11-02 20:46:03,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:03,977 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:03,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2022-11-02 20:46:03,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:03,990 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:03,990 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:03,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:03,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:03,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:03,991 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:03,996 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:03,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:04,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:04,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:04,030 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:46:04,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:04,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:04,031 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:04,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2022-11-02 20:46:04,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:04,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:04,044 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:04,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:04,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:04,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:04,045 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:04,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:04,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:04,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:04,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2022-11-02 20:46:04,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:04,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:04,088 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:04,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:04,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2022-11-02 20:46:04,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:04,103 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:04,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:04,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:04,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:04,104 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:04,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:04,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:04,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:04,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2022-11-02 20:46:04,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:04,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:46:04,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:46:04,179 INFO L87 Difference]: Start difference. First operand 763 states and 839 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) [2022-11-02 20:46:04,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:04,595 INFO L93 Difference]: Finished difference Result 875 states and 957 transitions. [2022-11-02 20:46:04,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 875 states and 957 transitions. [2022-11-02 20:46:04,600 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 63 [2022-11-02 20:46:04,604 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 875 states to 790 states and 863 transitions. [2022-11-02 20:46:04,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 790 [2022-11-02 20:46:04,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 790 [2022-11-02 20:46:04,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 790 states and 863 transitions. [2022-11-02 20:46:04,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:04,607 INFO L218 hiAutomatonCegarLoop]: Abstraction has 790 states and 863 transitions. [2022-11-02 20:46:04,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states and 863 transitions. [2022-11-02 20:46:04,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 533. [2022-11-02 20:46:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 533 states have (on average 1.1069418386491556) internal successors, (590), 532 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 590 transitions. [2022-11-02 20:46:04,622 INFO L240 hiAutomatonCegarLoop]: Abstraction has 533 states and 590 transitions. [2022-11-02 20:46:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:46:04,623 INFO L428 stractBuchiCegarLoop]: Abstraction has 533 states and 590 transitions. [2022-11-02 20:46:04,623 INFO L335 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2022-11-02 20:46:04,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 590 transitions. [2022-11-02 20:46:04,626 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2022-11-02 20:46:04,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:46:04,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:46:04,627 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:46:04,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:46:04,628 INFO L748 eck$LassoCheckResult]: Stem: 29031#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); 29022#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; 29011#L59 assume !(0 == mp_add_~a3~0#1 % 256); 29012#L59-1 mp_add_~nb~0#1 := 4; 29025#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 29028#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 29051#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 29173#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 29172#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; 29171#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 29170#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; 29169#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 29168#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 29167#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 29166#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 29165#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; 29164#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 29163#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 29162#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 29161#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 29160#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 29159#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 29158#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 29157#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 29156#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 29155#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; 29153#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 29152#L84 assume !(0 == mp_add_~i~0#1 % 256); 29151#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; 29150#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 29149#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 29146#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 29148#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 29194#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 29193#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 29192#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 29191#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 29190#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 29189#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; 29188#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 29187#L84 assume !(0 == mp_add_~i~0#1 % 256); 29186#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 29183#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; 29176#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 29049#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 29050#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 29325#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 29323#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 29321#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 29319#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 29317#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 29314#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; 29133#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 29134#L84 assume !(0 == mp_add_~i~0#1 % 256); 29127#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 29128#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 29174#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; 29175#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 29215#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 29213#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 29209#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 29205#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 29199#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 29198#L102-1 [2022-11-02 20:46:04,628 INFO L750 eck$LassoCheckResult]: Loop: 29198#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 29197#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; 29196#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 29178#L84 assume !(0 == mp_add_~i~0#1 % 256); 29195#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 29184#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 29185#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 29179#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 29204#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 29203#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 29202#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 29201#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 29200#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 29198#L102-1 [2022-11-02 20:46:04,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:04,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1728940926, now seen corresponding path program 1 times [2022-11-02 20:46:04,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:04,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169910790] [2022-11-02 20:46:04,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:04,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:04,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:04,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:04,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:04,678 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 5 times [2022-11-02 20:46:04,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:04,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248165411] [2022-11-02 20:46:04,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:04,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:04,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:04,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:04,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:04,687 INFO L85 PathProgramCache]: Analyzing trace with hash 334650383, now seen corresponding path program 2 times [2022-11-02 20:46:04,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:04,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927024774] [2022-11-02 20:46:04,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:04,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 40 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:05,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:05,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927024774] [2022-11-02 20:46:05,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927024774] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:46:05,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064825654] [2022-11-02 20:46:05,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:46:05,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:46:05,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:05,024 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:46:05,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Waiting until timeout for monitored process [2022-11-02 20:46:05,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:46:05,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:46:05,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:46:05,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:46:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-02 20:46:05,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:46:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-02 20:46:05,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064825654] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:46:05,796 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:46:05,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 14 [2022-11-02 20:46:05,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726361336] [2022-11-02 20:46:05,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:46:05,923 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:05,923 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:05,923 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:05,923 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:05,923 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:46:05,923 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:05,924 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:05,924 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:05,924 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration28_Loop [2022-11-02 20:46:05,924 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:05,924 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:05,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:05,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:06,218 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:06,219 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:46:06,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:06,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:06,222 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:06,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:06,228 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:06,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2022-11-02 20:46:06,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:06,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:06,306 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:06,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2022-11-02 20:46:06,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:46:06,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:07,292 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:46:07,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2022-11-02 20:46:07,297 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:07,297 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:07,297 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:07,297 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:07,297 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:46:07,297 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:07,297 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:07,297 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:07,297 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration28_Loop [2022-11-02 20:46:07,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:07,297 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:07,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:07,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:07,624 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:07,625 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:46:07,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:07,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:07,626 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:07,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:07,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2022-11-02 20:46:07,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:07,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:07,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:07,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:07,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:07,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:07,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:07,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:07,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2022-11-02 20:46:07,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:07,700 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:07,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2022-11-02 20:46:07,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:07,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:07,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:07,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:07,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:07,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:07,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:07,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:07,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:07,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2022-11-02 20:46:07,768 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:46:07,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:07,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:07,771 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:07,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2022-11-02 20:46:07,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:07,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:07,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:07,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:07,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:07,786 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:07,788 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:07,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:07,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:07,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:07,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:07,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:07,821 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:07,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2022-11-02 20:46:07,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:07,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:07,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:07,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:07,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:07,836 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:07,840 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:07,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:07,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:07,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2022-11-02 20:46:07,871 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:46:07,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:07,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:07,873 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:07,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2022-11-02 20:46:07,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:07,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:07,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:07,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:07,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:07,886 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:07,888 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:07,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:07,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:07,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:07,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:07,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:07,921 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:07,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2022-11-02 20:46:07,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:07,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:07,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:07,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:07,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:07,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:07,940 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:07,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:07,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:07,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:07,974 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:46:07,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:07,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:07,975 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:07,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2022-11-02 20:46:07,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:07,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:07,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:07,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:07,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:07,988 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:07,991 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:07,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:07,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:08,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,026 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2022-11-02 20:46:08,028 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 [2022-11-02 20:46:08,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:08,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,041 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:08,046 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:08,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:08,084 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:46:08,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,085 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2022-11-02 20:46:08,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:08,099 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,099 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:08,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,100 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:08,102 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:08,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2022-11-02 20:46:08,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,135 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2022-11-02 20:46:08,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:08,150 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,150 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:08,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,151 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:08,155 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:08,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2022-11-02 20:46:08,191 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:46:08,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,192 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2022-11-02 20:46:08,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:08,206 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,206 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:08,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,206 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:08,209 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:08,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2022-11-02 20:46:08,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,248 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2022-11-02 20:46:08,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:08,261 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,261 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:08,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,262 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:08,267 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:08,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2022-11-02 20:46:08,303 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:46:08,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,304 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2022-11-02 20:46:08,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:08,318 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,318 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:08,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,318 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:08,322 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:08,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2022-11-02 20:46:08,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,360 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2022-11-02 20:46:08,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:08,374 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,374 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:08,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,375 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:08,383 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:08,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2022-11-02 20:46:08,445 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:46:08,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,447 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2022-11-02 20:46:08,448 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 [2022-11-02 20:46:08,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,459 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:08,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,459 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:08,462 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:08,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2022-11-02 20:46:08,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,493 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2022-11-02 20:46:08,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:08,506 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,507 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:08,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,507 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:08,512 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:08,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2022-11-02 20:46:08,551 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:46:08,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,552 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2022-11-02 20:46:08,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:08,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,566 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:08,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,567 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:08,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:08,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2022-11-02 20:46:08,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:08,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:08,606 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:08,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2022-11-02 20:46:08,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:08,619 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:08,619 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:08,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:08,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:08,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:08,619 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:08,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:08,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:08,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:08,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2022-11-02 20:46:08,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:08,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 20:46:08,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:46:08,666 INFO L87 Difference]: Start difference. First operand 533 states and 590 transitions. cyclomatic complexity: 60 Second operand has 14 states, 14 states have (on average 10.142857142857142) internal successors, (142), 14 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:11,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:11,208 INFO L93 Difference]: Finished difference Result 979 states and 1055 transitions. [2022-11-02 20:46:11,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 979 states and 1055 transitions. [2022-11-02 20:46:11,213 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 82 [2022-11-02 20:46:11,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 979 states to 787 states and 849 transitions. [2022-11-02 20:46:11,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 787 [2022-11-02 20:46:11,218 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 787 [2022-11-02 20:46:11,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 787 states and 849 transitions. [2022-11-02 20:46:11,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:11,219 INFO L218 hiAutomatonCegarLoop]: Abstraction has 787 states and 849 transitions. [2022-11-02 20:46:11,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states and 849 transitions. [2022-11-02 20:46:11,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 463. [2022-11-02 20:46:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 463 states have (on average 1.1079913606911447) internal successors, (513), 462 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 513 transitions. [2022-11-02 20:46:11,231 INFO L240 hiAutomatonCegarLoop]: Abstraction has 463 states and 513 transitions. [2022-11-02 20:46:11,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-02 20:46:11,232 INFO L428 stractBuchiCegarLoop]: Abstraction has 463 states and 513 transitions. [2022-11-02 20:46:11,232 INFO L335 stractBuchiCegarLoop]: ======== Iteration 29 ============ [2022-11-02 20:46:11,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 463 states and 513 transitions. [2022-11-02 20:46:11,234 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2022-11-02 20:46:11,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:46:11,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:46:11,235 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:46:11,236 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:46:11,236 INFO L748 eck$LassoCheckResult]: Stem: 31071#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); 31061#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; 31050#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 31052#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 31054#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 31055#L59-1 mp_add_~nb~0#1 := 4; 31086#L69 assume !(0 == mp_add_~b3~0#1 % 256); 31087#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 31342#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; 31341#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 31340#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; 31339#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 31338#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 31337#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 31336#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 31335#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; 31334#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 31333#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 31332#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 31331#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31330#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 31329#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 31328#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 31327#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 31326#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 31293#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; 31290#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 31063#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 31505#L90 assume !(0 == mp_add_~i~0#1 % 256); 31504#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; 31503#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 31502#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 31501#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31500#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 31499#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 31498#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 31497#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 31496#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 31495#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; 31494#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 31227#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 31493#L90 assume !(0 == mp_add_~i~0#1 % 256); 31492#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 31491#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; 31490#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 31489#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31488#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 31487#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 31486#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 31485#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 31484#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 31483#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; 31482#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 31170#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 31481#L90 assume !(0 == mp_add_~i~0#1 % 256); 31480#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 31479#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 31468#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; 31469#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31478#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 31508#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 31507#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 31506#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 31076#L102-1 [2022-11-02 20:46:11,236 INFO L750 eck$LassoCheckResult]: Loop: 31076#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 31074#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; 31075#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 31079#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 31077#L90 assume !(0 == mp_add_~i~0#1 % 256); 31078#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 31046#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 31047#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 31048#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 31049#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 31065#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 31057#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 31058#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 31076#L102-1 [2022-11-02 20:46:11,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:11,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1520812614, now seen corresponding path program 1 times [2022-11-02 20:46:11,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:11,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501564273] [2022-11-02 20:46:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:11,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:11,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:11,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:11,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:11,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 4 times [2022-11-02 20:46:11,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:11,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641753297] [2022-11-02 20:46:11,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:11,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:11,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:11,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:11,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:11,289 INFO L85 PathProgramCache]: Analyzing trace with hash -2088026333, now seen corresponding path program 2 times [2022-11-02 20:46:11,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:11,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158297857] [2022-11-02 20:46:11,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:11,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:11,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:11,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158297857] [2022-11-02 20:46:11,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158297857] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:46:11,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147915751] [2022-11-02 20:46:11,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:46:11,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:46:11,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:11,666 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:46:11,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (184)] Waiting until timeout for monitored process [2022-11-02 20:46:11,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:46:11,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:46:11,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:46:11,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:46:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-02 20:46:12,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:46:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-02 20:46:12,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147915751] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:46:12,399 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:46:12,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 14 [2022-11-02 20:46:12,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855091210] [2022-11-02 20:46:12,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:46:12,522 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:12,523 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:12,523 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:12,523 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:12,523 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:46:12,523 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:12,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:12,523 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:12,523 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration29_Loop [2022-11-02 20:46:12,523 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:12,523 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:12,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:12,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:12,835 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:12,835 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:46:12,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:12,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:12,837 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:12,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2022-11-02 20:46:12,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:12,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:12,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:46:12,863 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: [] [2022-11-02 20:46:12,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2022-11-02 20:46:12,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:12,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:12,893 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:12,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:12,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:12,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2022-11-02 20:46:12,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2022-11-02 20:46:12,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:12,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:12,963 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:12,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2022-11-02 20:46:12,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:46:12,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:15,002 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:46:15,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2022-11-02 20:46:15,007 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:15,007 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:15,007 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:15,007 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:15,007 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:46:15,007 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,007 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:15,007 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:15,007 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration29_Loop [2022-11-02 20:46:15,008 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:15,008 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:15,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:15,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:15,274 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:15,274 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:46:15,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,276 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2022-11-02 20:46:15,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:15,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:15,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:15,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2022-11-02 20:46:15,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,320 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2022-11-02 20:46:15,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:15,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:15,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:15,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2022-11-02 20:46:15,363 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:46:15,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,364 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2022-11-02 20:46:15,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:15,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,377 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:15,378 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:15,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2022-11-02 20:46:15,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,409 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2022-11-02 20:46:15,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:15,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,422 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:15,425 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:15,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2022-11-02 20:46:15,457 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:46:15,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,458 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2022-11-02 20:46:15,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:15,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,474 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:15,476 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:15,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2022-11-02 20:46:15,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,510 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2022-11-02 20:46:15,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:15,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,526 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:15,530 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:15,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:15,564 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:46:15,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,566 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2022-11-02 20:46:15,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:15,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,585 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:15,588 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:15,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2022-11-02 20:46:15,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,625 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2022-11-02 20:46:15,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:15,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,639 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:15,645 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:15,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2022-11-02 20:46:15,680 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:46:15,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,681 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2022-11-02 20:46:15,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,694 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:15,695 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:15,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,695 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:15,697 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:15,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2022-11-02 20:46:15,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,729 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2022-11-02 20:46:15,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:15,742 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:15,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,743 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:15,746 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:15,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:15,779 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:46:15,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,780 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2022-11-02 20:46:15,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,793 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:15,794 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:15,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,794 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:15,797 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:15,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2022-11-02 20:46:15,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,830 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2022-11-02 20:46:15,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,843 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:15,844 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:15,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,844 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:15,849 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:15,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2022-11-02 20:46:15,889 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:46:15,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,890 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2022-11-02 20:46:15,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:15,904 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:15,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,904 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:15,908 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:15,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:15,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2022-11-02 20:46:15,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:15,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:15,947 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:15,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2022-11-02 20:46:15,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:15,961 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:15,961 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:15,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:15,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:15,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:15,961 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:15,969 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:15,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:15,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:16,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2022-11-02 20:46:16,039 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:46:16,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:16,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:16,042 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:16,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:16,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2022-11-02 20:46:16,058 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:16,058 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:16,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:16,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:16,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:16,059 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:16,061 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:16,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:16,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:16,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2022-11-02 20:46:16,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:16,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:16,100 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:16,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2022-11-02 20:46:16,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:16,113 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:16,113 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:16,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:16,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:16,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:16,114 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:16,118 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:16,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:16,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:16,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2022-11-02 20:46:16,151 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:46:16,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:16,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:16,152 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:16,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2022-11-02 20:46:16,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:16,165 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:16,165 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:16,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:16,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:16,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:16,166 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:16,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:16,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:16,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:16,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2022-11-02 20:46:16,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:16,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:16,203 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:16,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2022-11-02 20:46:16,204 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 [2022-11-02 20:46:16,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:16,216 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:16,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:16,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:16,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:16,217 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:16,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:16,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:16,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:16,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:16,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:16,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 20:46:16,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:46:16,262 INFO L87 Difference]: Start difference. First operand 463 states and 513 transitions. cyclomatic complexity: 53 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) [2022-11-02 20:46:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:18,203 INFO L93 Difference]: Finished difference Result 782 states and 846 transitions. [2022-11-02 20:46:18,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 782 states and 846 transitions. [2022-11-02 20:46:18,207 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 62 [2022-11-02 20:46:18,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 782 states to 586 states and 633 transitions. [2022-11-02 20:46:18,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 586 [2022-11-02 20:46:18,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 586 [2022-11-02 20:46:18,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 586 states and 633 transitions. [2022-11-02 20:46:18,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:18,211 INFO L218 hiAutomatonCegarLoop]: Abstraction has 586 states and 633 transitions. [2022-11-02 20:46:18,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states and 633 transitions. [2022-11-02 20:46:18,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 467. [2022-11-02 20:46:18,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 467 states have (on average 1.094218415417559) internal successors, (511), 466 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:18,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 511 transitions. [2022-11-02 20:46:18,222 INFO L240 hiAutomatonCegarLoop]: Abstraction has 467 states and 511 transitions. [2022-11-02 20:46:18,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-02 20:46:18,232 INFO L428 stractBuchiCegarLoop]: Abstraction has 467 states and 511 transitions. [2022-11-02 20:46:18,232 INFO L335 stractBuchiCegarLoop]: ======== Iteration 30 ============ [2022-11-02 20:46:18,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 467 states and 511 transitions. [2022-11-02 20:46:18,234 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2022-11-02 20:46:18,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:46:18,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:46:18,235 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:46:18,235 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:46:18,235 INFO L748 eck$LassoCheckResult]: Stem: 32832#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); 32823#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; 32808#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 32810#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 32812#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 32813#L59-1 mp_add_~nb~0#1 := 4; 32847#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 32844#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 32846#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 32874#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 32873#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; 32872#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 32871#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; 32870#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 32869#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 32868#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 32867#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 32866#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; 32865#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 32864#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 32863#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 32862#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 32861#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 32860#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 32859#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 32858#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 32857#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 32856#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; 32854#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 32855#L84 assume !(0 == mp_add_~i~0#1 % 256); 33081#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; 33079#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 33077#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 33074#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 33075#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 33248#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 33247#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 33246#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 33245#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 33244#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 33243#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; 33242#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 33241#L84 assume !(0 == mp_add_~i~0#1 % 256); 33240#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 33238#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; 33239#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 33269#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 32818#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 33268#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 33267#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 33266#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 33264#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 33262#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 33260#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; 33258#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 33256#L84 assume !(0 == mp_add_~i~0#1 % 256); 33254#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 33252#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 33249#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; 33250#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 33178#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 33265#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 33272#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 33271#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 33270#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 32836#L102-1 [2022-11-02 20:46:18,236 INFO L750 eck$LassoCheckResult]: Loop: 32836#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 32833#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; 32834#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 32830#L84 assume !(0 == mp_add_~i~0#1 % 256); 32831#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 32835#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 32824#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 32825#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 32806#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 32807#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 32827#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 32819#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 32820#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 32836#L102-1 [2022-11-02 20:46:18,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:18,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1221245325, now seen corresponding path program 1 times [2022-11-02 20:46:18,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:18,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52225000] [2022-11-02 20:46:18,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:18,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-02 20:46:18,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:18,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52225000] [2022-11-02 20:46:18,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52225000] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:46:18,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581855519] [2022-11-02 20:46:18,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:18,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:46:18,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:18,767 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:46:18,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (206)] Waiting until timeout for monitored process [2022-11-02 20:46:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:19,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:46:19,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:46:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-02 20:46:19,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:46:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-02 20:46:19,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581855519] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:46:19,572 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:46:19,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 19 [2022-11-02 20:46:19,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80571674] [2022-11-02 20:46:19,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:46:19,572 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:46:19,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:19,573 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 6 times [2022-11-02 20:46:19,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:19,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407660253] [2022-11-02 20:46:19,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:19,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:19,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:19,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:19,731 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:19,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:19,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:19,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:19,731 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:46:19,731 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:19,731 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:19,731 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:19,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration30_Loop [2022-11-02 20:46:19,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:19,732 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:19,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:19,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:20,061 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:20,061 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:46:20,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:20,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:20,062 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:20,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2022-11-02 20:46:20,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:20,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:20,087 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:46:20,087 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: [] [2022-11-02 20:46:20,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2022-11-02 20:46:20,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:20,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:20,111 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:20,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2022-11-02 20:46:20,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:20,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:20,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2022-11-02 20:46:20,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:20,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:20,197 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:20,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2022-11-02 20:46:20,198 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:46:20,198 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:20,957 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:46:20,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2022-11-02 20:46:20,963 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:20,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:20,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:20,963 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:20,963 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:46:20,963 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:20,963 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:20,963 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:20,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration30_Loop [2022-11-02 20:46:20,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:20,963 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:20,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:20,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:21,263 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:21,263 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:46:21,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,264 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2022-11-02 20:46:21,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:21,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:21,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:21,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:21,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,305 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,307 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 [2022-11-02 20:46:21,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2022-11-02 20:46:21,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:21,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:21,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:21,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2022-11-02 20:46:21,390 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:46:21,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,391 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2022-11-02 20:46:21,393 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 [2022-11-02 20:46:21,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:21,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,403 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:21,404 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:21,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2022-11-02 20:46:21,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,432 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2022-11-02 20:46:21,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:21,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,445 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:21,448 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:21,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:21,475 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:46:21,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,476 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2022-11-02 20:46:21,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:21,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,489 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:21,491 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:21,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2022-11-02 20:46:21,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,521 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2022-11-02 20:46:21,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:21,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,535 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:21,539 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:21,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2022-11-02 20:46:21,571 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:46:21,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,572 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2022-11-02 20:46:21,573 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 [2022-11-02 20:46:21,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:21,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,586 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:21,588 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:21,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2022-11-02 20:46:21,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,621 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2022-11-02 20:46:21,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:21,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,635 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:21,640 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:21,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:21,675 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:46:21,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,676 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2022-11-02 20:46:21,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,689 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:21,689 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:21,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,689 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:21,691 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:21,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:21,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,722 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2022-11-02 20:46:21,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,735 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:21,735 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:21,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,736 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:21,740 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:21,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2022-11-02 20:46:21,774 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:46:21,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,775 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2022-11-02 20:46:21,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,789 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:21,789 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:21,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,790 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:21,792 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:21,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2022-11-02 20:46:21,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,827 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2022-11-02 20:46:21,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,841 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:21,841 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:21,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,842 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:21,847 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:21,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:21,910 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:46:21,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,911 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2022-11-02 20:46:21,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,925 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:21,925 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:21,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,926 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:21,930 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:21,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:21,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:21,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Ended with exit code 0 [2022-11-02 20:46:21,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:21,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:21,968 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:21,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2022-11-02 20:46:21,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:21,982 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:21,983 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:21,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:21,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:21,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:21,983 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:21,991 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:21,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:22,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:22,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2022-11-02 20:46:22,035 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:46:22,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:22,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:22,036 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:22,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2022-11-02 20:46:22,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:22,049 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:22,049 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:22,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:22,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:22,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:22,049 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:22,051 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:22,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:22,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:22,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Ended with exit code 0 [2022-11-02 20:46:22,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:22,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:22,082 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:22,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2022-11-02 20:46:22,083 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 [2022-11-02 20:46:22,095 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:22,095 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:22,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:22,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:22,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:22,095 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:22,100 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:22,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:22,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:22,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2022-11-02 20:46:22,132 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:46:22,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:22,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:22,133 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:22,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2022-11-02 20:46:22,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:22,146 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:22,147 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:22,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:22,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:22,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:22,147 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:22,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:22,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:22,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:22,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2022-11-02 20:46:22,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:22,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:22,184 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:22,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2022-11-02 20:46:22,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:22,196 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:22,196 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:22,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:22,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:22,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:22,196 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:22,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:22,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:22,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:22,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:22,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:22,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-02 20:46:22,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:46:22,243 INFO L87 Difference]: Start difference. First operand 467 states and 511 transitions. cyclomatic complexity: 47 Second operand has 19 states, 19 states have (on average 6.2105263157894735) internal successors, (118), 19 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:24,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:24,188 INFO L93 Difference]: Finished difference Result 396 states and 425 transitions. [2022-11-02 20:46:24,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 396 states and 425 transitions. [2022-11-02 20:46:24,190 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 52 [2022-11-02 20:46:24,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 396 states to 354 states and 381 transitions. [2022-11-02 20:46:24,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 354 [2022-11-02 20:46:24,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 354 [2022-11-02 20:46:24,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 354 states and 381 transitions. [2022-11-02 20:46:24,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:24,197 INFO L218 hiAutomatonCegarLoop]: Abstraction has 354 states and 381 transitions. [2022-11-02 20:46:24,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states and 381 transitions. [2022-11-02 20:46:24,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 221. [2022-11-02 20:46:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 221 states have (on average 1.081447963800905) internal successors, (239), 220 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 239 transitions. [2022-11-02 20:46:24,204 INFO L240 hiAutomatonCegarLoop]: Abstraction has 221 states and 239 transitions. [2022-11-02 20:46:24,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-02 20:46:24,205 INFO L428 stractBuchiCegarLoop]: Abstraction has 221 states and 239 transitions. [2022-11-02 20:46:24,205 INFO L335 stractBuchiCegarLoop]: ======== Iteration 31 ============ [2022-11-02 20:46:24,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 221 states and 239 transitions. [2022-11-02 20:46:24,205 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-02 20:46:24,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:46:24,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:46:24,206 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:46:24,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:46:24,207 INFO L748 eck$LassoCheckResult]: Stem: 34129#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); 34120#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; 34109#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 34111#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 34113#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 34114#L59-1 mp_add_~nb~0#1 := 4; 34190#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 34189#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 34188#L73 assume 0 == mp_add_~b1~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 34139#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 34140#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; 34192#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 34191#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; 34137#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 34138#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 34301#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 34300#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34299#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; 34298#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 34297#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34296#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34295#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34294#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 34293#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34292#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 34291#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 34290#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 34289#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; 34288#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 34286#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34285#L90 assume !(0 == mp_add_~i~0#1 % 256); 34284#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; 34283#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34282#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34281#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34280#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34279#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 34278#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 34277#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 34276#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 34275#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; 34274#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 34273#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34272#L90 assume !(0 == mp_add_~i~0#1 % 256); 34271#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 34269#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; 34270#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34325#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34323#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34321#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34319#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 34318#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 34134#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 34130#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; 34131#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 34122#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34135#L90 assume !(0 == mp_add_~i~0#1 % 256); 34136#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 34141#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34302#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; 34303#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34317#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34324#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34322#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 34320#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 34133#L102-1 [2022-11-02 20:46:24,207 INFO L750 eck$LassoCheckResult]: Loop: 34133#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 34313#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; 34311#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 34309#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 34305#L90 assume !(0 == mp_add_~i~0#1 % 256); 34307#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 34105#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 34106#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 34107#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 34108#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 34124#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 34116#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 34117#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 34133#L102-1 [2022-11-02 20:46:24,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:24,207 INFO L85 PathProgramCache]: Analyzing trace with hash 630669467, now seen corresponding path program 1 times [2022-11-02 20:46:24,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:24,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660827412] [2022-11-02 20:46:24,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:24,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-02 20:46:24,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:24,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660827412] [2022-11-02 20:46:24,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660827412] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:46:24,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110421516] [2022-11-02 20:46:24,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:24,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:46:24,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:24,679 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:46:24,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (228)] Waiting until timeout for monitored process [2022-11-02 20:46:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:24,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-02 20:46:24,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:46:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-02 20:46:25,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:46:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:25,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110421516] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:46:25,855 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:46:25,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 11] total 25 [2022-11-02 20:46:25,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477290429] [2022-11-02 20:46:25,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:46:25,856 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:46:25,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:25,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 5 times [2022-11-02 20:46:25,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:25,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581994237] [2022-11-02 20:46:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:25,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:25,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:25,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:26,002 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:26,002 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:26,002 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:26,002 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:26,003 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:46:26,003 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:26,003 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:26,003 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:26,003 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration31_Loop [2022-11-02 20:46:26,003 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:26,003 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:26,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:26,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:26,355 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:26,355 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:46:26,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:26,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:26,357 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:26,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:26,363 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:26,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2022-11-02 20:46:26,391 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:46:26,392 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: [] [2022-11-02 20:46:26,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:26,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:26,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:26,432 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:26,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:26,435 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:26,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2022-11-02 20:46:26,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:26,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:26,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:26,548 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:26,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:46:26,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:26,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2022-11-02 20:46:27,213 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:46:27,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2022-11-02 20:46:27,218 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:27,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:27,218 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:27,218 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:27,218 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:46:27,218 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,218 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:27,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:27,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration31_Loop [2022-11-02 20:46:27,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:27,218 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:27,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:27,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:27,526 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:27,526 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:46:27,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,527 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2022-11-02 20:46:27,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:27,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:27,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:27,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:27,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:27,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:27,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Ended with exit code 0 [2022-11-02 20:46:27,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,571 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2022-11-02 20:46:27,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:27,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:27,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:27,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:27,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:27,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:27,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2022-11-02 20:46:27,617 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:46:27,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,618 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2022-11-02 20:46:27,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:27,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:27,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,634 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:27,635 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:27,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:27,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:27,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:27,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,666 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2022-11-02 20:46:27,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:27,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:27,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,681 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:27,684 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:27,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:27,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:27,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Ended with exit code 0 [2022-11-02 20:46:27,715 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:46:27,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,716 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2022-11-02 20:46:27,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:27,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:27,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,730 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:27,732 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:27,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:27,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:27,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Ended with exit code 0 [2022-11-02 20:46:27,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,768 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2022-11-02 20:46:27,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:27,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:27,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,782 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:27,786 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:27,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:27,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:27,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:27,817 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:46:27,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,818 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2022-11-02 20:46:27,820 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 [2022-11-02 20:46:27,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:27,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,832 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:27,835 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:27,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:27,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:27,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2022-11-02 20:46:27,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,868 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2022-11-02 20:46:27,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:27,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:27,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,882 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:27,888 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:27,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:27,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:27,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Ended with exit code 0 [2022-11-02 20:46:27,922 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:46:27,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,923 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2022-11-02 20:46:27,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:27,936 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:27,936 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:27,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,936 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:27,938 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:27,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:27,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:27,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2022-11-02 20:46:27,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:27,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:27,971 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:27,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2022-11-02 20:46:27,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:27,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:27,986 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:27,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:27,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:27,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:27,986 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:27,990 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:27,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:28,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:28,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2022-11-02 20:46:28,025 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:46:28,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:28,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:28,026 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:28,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2022-11-02 20:46:28,028 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 [2022-11-02 20:46:28,043 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:28,043 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:28,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:28,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:28,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:28,044 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:28,071 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:28,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:28,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:28,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2022-11-02 20:46:28,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:28,106 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:28,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2022-11-02 20:46:28,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:28,119 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:28,119 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:28,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:28,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:28,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:28,120 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:28,126 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:28,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:28,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:28,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2022-11-02 20:46:28,162 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:46:28,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:28,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:28,163 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:28,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2022-11-02 20:46:28,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:28,177 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:28,177 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:28,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:28,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:28,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:28,178 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:28,182 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:28,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:28,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:28,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Ended with exit code 0 [2022-11-02 20:46:28,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:28,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:28,218 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:28,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2022-11-02 20:46:28,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:28,237 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:28,237 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:28,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:28,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:28,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:28,237 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:28,246 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:28,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:28,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:28,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2022-11-02 20:46:28,288 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:46:28,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:28,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:28,290 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:28,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2022-11-02 20:46:28,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:28,302 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:28,302 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:28,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:28,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:28,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:28,303 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:28,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:28,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:28,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:28,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2022-11-02 20:46:28,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:28,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:28,343 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:28,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2022-11-02 20:46:28,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:28,358 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:28,358 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:28,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:28,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:28,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:28,358 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:28,363 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:28,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:28,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:28,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2022-11-02 20:46:28,395 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:46:28,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:28,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:28,397 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:28,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2022-11-02 20:46:28,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:28,410 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:28,410 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:28,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:28,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:28,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:28,410 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:28,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:28,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:28,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:28,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Ended with exit code 0 [2022-11-02 20:46:28,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:28,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:28,449 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:28,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2022-11-02 20:46:28,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:28,464 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:28,464 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:28,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:28,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:28,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:28,464 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:28,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:28,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:28,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:28,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2022-11-02 20:46:28,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:28,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-02 20:46:28,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2022-11-02 20:46:28,509 INFO L87 Difference]: Start difference. First operand 221 states and 239 transitions. cyclomatic complexity: 19 Second operand has 25 states, 25 states have (on average 5.92) internal successors, (148), 25 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:30,350 INFO L93 Difference]: Finished difference Result 322 states and 341 transitions. [2022-11-02 20:46:30,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 341 transitions. [2022-11-02 20:46:30,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-02 20:46:30,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 227 states and 241 transitions. [2022-11-02 20:46:30,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 227 [2022-11-02 20:46:30,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 227 [2022-11-02 20:46:30,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 227 states and 241 transitions. [2022-11-02 20:46:30,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:30,352 INFO L218 hiAutomatonCegarLoop]: Abstraction has 227 states and 241 transitions. [2022-11-02 20:46:30,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states and 241 transitions. [2022-11-02 20:46:30,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2022-11-02 20:46:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 221 states have (on average 1.0633484162895928) internal successors, (235), 220 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 235 transitions. [2022-11-02 20:46:30,358 INFO L240 hiAutomatonCegarLoop]: Abstraction has 221 states and 235 transitions. [2022-11-02 20:46:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-02 20:46:30,363 INFO L428 stractBuchiCegarLoop]: Abstraction has 221 states and 235 transitions. [2022-11-02 20:46:30,363 INFO L335 stractBuchiCegarLoop]: ======== Iteration 32 ============ [2022-11-02 20:46:30,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 221 states and 235 transitions. [2022-11-02 20:46:30,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-02 20:46:30,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:46:30,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:46:30,365 INFO L148 hiAutomatonCegarLoop]: 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] [2022-11-02 20:46:30,365 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:46:30,366 INFO L748 eck$LassoCheckResult]: Stem: 35106#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); 35096#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; 35085#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 35087#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 35089#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 35090#L59-1 mp_add_~nb~0#1 := 4; 35168#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 35167#L71 assume 0 == mp_add_~b2~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 35166#L73 assume !(0 == mp_add_~b1~0#1 % 256); 35116#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 35117#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; 35170#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 35169#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; 35114#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 35115#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 35279#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 35278#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 35277#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; 35276#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 35275#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 35274#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 35273#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 35272#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 35271#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 35270#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 35269#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 35268#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 35267#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; 35266#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 35264#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 35263#L90 assume !(0 == mp_add_~i~0#1 % 256); 35262#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; 35261#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 35260#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 35259#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 35258#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 35257#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 35256#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 35255#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 35254#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 35253#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; 35252#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 35251#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 35250#L90 assume !(0 == mp_add_~i~0#1 % 256); 35249#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 35247#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; 35248#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 35283#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 35284#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 35300#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 35299#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 35298#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 35113#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 35107#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; 35108#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 35098#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 35121#L90 assume !(0 == mp_add_~i~0#1 % 256); 35118#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 35080#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 35081#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; 35082#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 35084#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 35100#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 35101#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 35280#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 35110#L102-1 [2022-11-02 20:46:30,366 INFO L750 eck$LassoCheckResult]: Loop: 35110#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 35297#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; 35295#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 35293#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 35111#L90 assume !(0 == mp_add_~i~0#1 % 256); 35112#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 35289#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 35286#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 35285#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 254); 35282#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 35281#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 35092#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 35093#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 35110#L102-1 [2022-11-02 20:46:30,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:30,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1891586717, now seen corresponding path program 1 times [2022-11-02 20:46:30,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:30,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18376181] [2022-11-02 20:46:30,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:30,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:46:30,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:30,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18376181] [2022-11-02 20:46:30,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18376181] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:46:30,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747145043] [2022-11-02 20:46:30,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:30,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:46:30,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:30,803 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:46:30,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (250)] Waiting until timeout for monitored process [2022-11-02 20:46:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:46:30,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:46:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-02 20:46:31,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:46:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-02 20:46:31,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747145043] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:46:31,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:46:31,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 17 [2022-11-02 20:46:31,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142664660] [2022-11-02 20:46:31,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:46:31,803 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:46:31,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:31,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 6 times [2022-11-02 20:46:31,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:31,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573223986] [2022-11-02 20:46:31,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:31,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:31,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:31,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:31,937 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:31,937 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:31,937 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:31,937 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:31,937 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:46:31,937 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:31,937 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:31,937 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:31,937 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration32_Loop [2022-11-02 20:46:31,938 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:31,938 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:31,938 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:31,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:32,241 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:32,242 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:46:32,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:32,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:32,248 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:32,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:46:32,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:32,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2022-11-02 20:46:32,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2022-11-02 20:46:32,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:32,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:32,326 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:32,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:46:32,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:46:32,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2022-11-02 20:46:33,002 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:46:33,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2022-11-02 20:46:33,007 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:46:33,008 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:46:33,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:46:33,008 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:46:33,008 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:46:33,008 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,008 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:46:33,008 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:46:33,008 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration32_Loop [2022-11-02 20:46:33,008 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:46:33,008 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:46:33,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:33,035 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:46:33,328 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:46:33,328 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:46:33,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,330 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:33,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2022-11-02 20:46:33,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:33,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:33,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:33,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:33,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,413 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:33,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2022-11-02 20:46:33,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:33,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:46:33,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:46:33,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Ended with exit code 0 [2022-11-02 20:46:33,480 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-02 20:46:33,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,482 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2022-11-02 20:46:33,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:33,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:33,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,496 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:33,500 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:33,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Ended with exit code 0 [2022-11-02 20:46:33,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,534 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:33,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2022-11-02 20:46:33,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:33,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,555 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:33,557 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:33,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Ended with exit code 0 [2022-11-02 20:46:33,589 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-02 20:46:33,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,590 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2022-11-02 20:46:33,592 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 [2022-11-02 20:46:33,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:33,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,604 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:33,609 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:33,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Ended with exit code 0 [2022-11-02 20:46:33,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,641 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2022-11-02 20:46:33,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:33,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:33,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,656 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:33,660 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:33,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:33,693 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-02 20:46:33,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,694 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2022-11-02 20:46:33,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:33,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:33,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,708 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:33,713 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:33,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:33,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,751 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2022-11-02 20:46:33,752 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 [2022-11-02 20:46:33,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:46:33,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,764 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:33,767 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:33,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Ended with exit code 0 [2022-11-02 20:46:33,799 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-02 20:46:33,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,800 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2022-11-02 20:46:33,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:33,813 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:33,814 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:33,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,814 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:33,819 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:33,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2022-11-02 20:46:33,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,866 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2022-11-02 20:46:33,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:33,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:33,879 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:33,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,879 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-02 20:46:33,881 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-02 20:46:33,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2022-11-02 20:46:33,911 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-02 20:46:33,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,912 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2022-11-02 20:46:33,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:33,928 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:33,928 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:33,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,929 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:33,934 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:33,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:33,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:33,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:33,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:33,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:33,977 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:33,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2022-11-02 20:46:33,981 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 [2022-11-02 20:46:33,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:33,993 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-02 20:46:33,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:33,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:33,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:33,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:33,997 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:33,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:34,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:34,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Ended with exit code 0 [2022-11-02 20:46:34,029 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-02 20:46:34,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:34,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:34,030 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:34,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2022-11-02 20:46:34,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:34,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:34,044 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:34,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:34,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:34,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:34,044 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:34,052 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:34,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:34,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:34,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2022-11-02 20:46:34,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:34,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:34,099 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:34,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2022-11-02 20:46:34,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:34,113 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:34,113 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:34,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:34,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:34,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:34,113 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-02 20:46:34,118 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-02 20:46:34,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:34,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:34,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:34,174 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-02 20:46:34,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:34,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:34,176 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:34,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:34,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2022-11-02 20:46:34,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:34,195 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:34,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:34,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:34,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:34,195 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:34,201 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:34,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:34,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:34,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:34,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:34,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:34,259 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:34,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:34,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2022-11-02 20:46:34,278 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:34,278 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-02 20:46:34,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:34,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:34,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:34,279 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-02 20:46:34,281 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:46:34,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:34,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:34,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:34,339 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-02 20:46:34,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:34,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:34,341 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:34,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:34,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2022-11-02 20:46:34,358 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:34,358 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:34,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:34,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:34,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:34,359 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:34,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:34,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:34,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:34,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:34,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:46:34,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:34,438 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:34,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:46:34,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2022-11-02 20:46:34,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-02 20:46:34,458 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-02 20:46:34,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:46:34,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:46:34,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:46:34,459 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-02 20:46:34,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:46:34,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:46:34,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:46:34,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:34,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:34,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 20:46:34,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:46:34,524 INFO L87 Difference]: Start difference. First operand 221 states and 235 transitions. cyclomatic complexity: 15 Second operand has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 17 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:35,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:35,121 INFO L93 Difference]: Finished difference Result 170 states and 177 transitions. [2022-11-02 20:46:35,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 177 transitions. [2022-11-02 20:46:35,122 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:46:35,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 0 states and 0 transitions. [2022-11-02 20:46:35,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:46:35,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:46:35,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:46:35,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:35,122 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:46:35,122 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:46:35,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:46:35,123 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:46:35,123 INFO L335 stractBuchiCegarLoop]: ======== Iteration 33 ============ [2022-11-02 20:46:35,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:46:35,123 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:46:35,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:46:35,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:46:35 BoogieIcfgContainer [2022-11-02 20:46:35,132 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:46:35,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:46:35,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:46:35,133 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:46:35,134 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:17" (3/4) ... [2022-11-02 20:46:35,137 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:46:35,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:46:35,138 INFO L158 Benchmark]: Toolchain (without parser) took 79097.38ms. Allocated memory was 125.8MB in the beginning and 343.9MB in the end (delta: 218.1MB). Free memory was 92.3MB in the beginning and 292.6MB in the end (delta: -200.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-02 20:46:35,138 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 57.2MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:46:35,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.16ms. Allocated memory is still 125.8MB. Free memory was 91.9MB in the beginning and 100.8MB in the end (delta: -8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:46:35,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.14ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 94.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:46:35,140 INFO L158 Benchmark]: Boogie Preprocessor took 59.69ms. Allocated memory is still 125.8MB. Free memory was 94.5MB in the beginning and 90.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:46:35,140 INFO L158 Benchmark]: RCFGBuilder took 874.81ms. Allocated memory is still 125.8MB. Free memory was 90.6MB in the beginning and 63.8MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-02 20:46:35,141 INFO L158 Benchmark]: BuchiAutomizer took 77661.98ms. Allocated memory was 125.8MB in the beginning and 343.9MB in the end (delta: 218.1MB). Free memory was 63.8MB in the beginning and 292.6MB in the end (delta: -228.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:46:35,141 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 343.9MB. Free memory is still 292.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:46:35,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 57.2MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.16ms. Allocated memory is still 125.8MB. Free memory was 91.9MB in the beginning and 100.8MB in the end (delta: -8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.14ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 94.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.69ms. Allocated memory is still 125.8MB. Free memory was 94.5MB in the beginning and 90.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 874.81ms. Allocated memory is still 125.8MB. Free memory was 90.6MB in the beginning and 63.8MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 77661.98ms. Allocated memory was 125.8MB in the beginning and 343.9MB in the end (delta: 218.1MB). Free memory was 63.8MB in the beginning and 292.6MB in the end (delta: -228.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 343.9MB. Free memory is still 292.6MB. 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 32 terminating modules (32 trivial, 0 deterministic, 0 nondeterministic). 32 modules have a trivial ranking function, the largest among these consists of 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 77.5s and 33 iterations. TraceHistogramMax:7. Analysis of lassos took 55.6s. Construction of modules took 12.6s. Büchi inclusion checks took 9.0s. Highest rank in rank-based complementation 0. Minimization of det autom 32. Minimization of nondet autom 0. Automata minimization 0.4s AutomataMinimizationTime, 31 MinimizatonAttempts, 6420 StatesRemovedByMinimization, 31 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5875 SdHoareTripleChecker+Valid, 15.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5875 mSDsluCounter, 5607 SdHoareTripleChecker+Invalid, 12.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 203 IncrementalHoareTripleChecker+Unchecked, 4045 mSDsCounter, 656 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11692 IncrementalHoareTripleChecker+Invalid, 12551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 656 mSolverCounterUnsat, 1562 mSDtfsCounter, 11692 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI12 SFLT0 conc4 concLT0 SILN0 SILU8 SILI8 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital60 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div387 bol100 ite100 ukn100 eq146 hnf96 smp34 dnf100 smp100 tf102 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 51ms VariablesStem: 0 VariablesLoop: 12 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 12 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 14.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:46:35,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (250)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:35,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (228)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:35,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (206)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:35,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (184)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:35,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:36,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (121)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:36,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Ended with exit code 0 [2022-11-02 20:46:36,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:36,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-02 20:46:36,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:37,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-02 20:46:37,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:37,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-02 20:46:37,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-02 20:46:37,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:38,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:38,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:38,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-02 20:46:38,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:38,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:39,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-02 20:46:39,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957358d5-1cf8-4e0e-b1e2-22af93a3200c/bin/uautomizer-Dbtcem3rbc/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