./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ --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 7c8c0e9a48a9f16e1776fdefc0f855c8a0d9d5ce1c74cc0228b67d8d420034c4 --- 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-dbf71c6-m [2022-10-17 10:51:57,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:51:57,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:51:57,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:51:57,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:51:57,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:51:57,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:51:57,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:51:57,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:51:57,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:51:57,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:51:57,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:51:57,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:51:57,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:51:57,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:51:57,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:51:57,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:51:57,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:51:57,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:51:57,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:51:57,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:51:57,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:51:57,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:51:57,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:51:57,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:51:57,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:51:57,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:51:57,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:51:57,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:51:57,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:51:57,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:51:57,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:51:57,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:51:57,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:51:57,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:51:57,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:51:57,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:51:57,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:51:57,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:51:57,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:51:57,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:51:57,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:51:57,592 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:51:57,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:51:57,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:51:57,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:51:57,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:51:57,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:51:57,596 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:51:57,597 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:51:57,597 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:51:57,597 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:51:57,599 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:51:57,599 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:51:57,599 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:51:57,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:51:57,600 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:51:57,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:51:57,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:51:57,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:51:57,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:51:57,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:51:57,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:51:57,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:51:57,602 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:51:57,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:51:57,604 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:51:57,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:51:57,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:51:57,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:51:57,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:51:57,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:51:57,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:51:57,608 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:51:57,608 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_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c8c0e9a48a9f16e1776fdefc0f855c8a0d9d5ce1c74cc0228b67d8d420034c4 [2022-10-17 10:51:57,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:51:57,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:51:57,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:51:57,952 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:51:57,953 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:51:57,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/eca-rers2012/Problem01_label50.c [2022-10-17 10:51:58,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/data/2e3cb0710/eb278e2ee6964eccae2753bbd9b6db18/FLAGc455e29c4 [2022-10-17 10:51:58,628 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:51:58,629 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/sv-benchmarks/c/eca-rers2012/Problem01_label50.c [2022-10-17 10:51:58,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/data/2e3cb0710/eb278e2ee6964eccae2753bbd9b6db18/FLAGc455e29c4 [2022-10-17 10:51:58,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/data/2e3cb0710/eb278e2ee6964eccae2753bbd9b6db18 [2022-10-17 10:51:58,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:51:58,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:51:58,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:51:58,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:51:58,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:51:58,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:51:58" (1/1) ... [2022-10-17 10:51:58,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5d144e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:58, skipping insertion in model container [2022-10-17 10:51:58,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:51:58" (1/1) ... [2022-10-17 10:51:58,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:51:58,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:51:59,392 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_a45f3926-b7b7-4989-b161-27834c99e2ff/sv-benchmarks/c/eca-rers2012/Problem01_label50.c[15378,15391] [2022-10-17 10:51:59,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:51:59,524 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:51:59,673 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_a45f3926-b7b7-4989-b161-27834c99e2ff/sv-benchmarks/c/eca-rers2012/Problem01_label50.c[15378,15391] [2022-10-17 10:51:59,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:51:59,739 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:51:59,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59 WrapperNode [2022-10-17 10:51:59,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:51:59,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:51:59,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:51:59,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:51:59,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:51:59,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:51:59,878 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-10-17 10:51:59,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:51:59,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:51:59,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:51:59,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:51:59,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:51:59,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:51:59,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:51:59,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:51:59,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:51:59,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:51:59,970 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:51:59,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:52:00,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:52:00,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:52:00,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:52:00,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:52:00,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (1/1) ... [2022-10-17 10:52:00,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:00,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:00,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:00,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:52:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:52:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:52:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:52:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:52:00,258 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:52:00,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:52:01,777 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:52:01,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:52:01,793 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:52:01,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:52:01 BoogieIcfgContainer [2022-10-17 10:52:01,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:52:01,798 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:52:01,798 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:52:01,802 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:52:01,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:52:01,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:51:58" (1/3) ... [2022-10-17 10:52:01,805 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68d70f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:52:01, skipping insertion in model container [2022-10-17 10:52:01,805 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:52:01,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:59" (2/3) ... [2022-10-17 10:52:01,806 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68d70f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:52:01, skipping insertion in model container [2022-10-17 10:52:01,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:52:01,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:52:01" (3/3) ... [2022-10-17 10:52:01,808 INFO L332 chiAutomizerObserver]: Analyzing ICFG Problem01_label50.c [2022-10-17 10:52:01,877 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:52:01,878 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:52:01,878 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:52:01,878 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:52:01,878 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:52:01,878 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:52:01,879 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:52:01,879 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:52:01,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 197 states, 196 states have (on average 1.663265306122449) internal successors, (326), 196 states have internal predecessors, (326), 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) [2022-10-17 10:52:01,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 192 [2022-10-17 10:52:01,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:01,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:01,949 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:52:01,950 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:52:01,950 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:52:01,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 197 states, 196 states have (on average 1.663265306122449) internal successors, (326), 196 states have internal predecessors, (326), 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) [2022-10-17 10:52:01,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 192 [2022-10-17 10:52:01,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:01,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:01,970 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:52:01,970 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:52:01,977 INFO L748 eck$LassoCheckResult]: Stem: 192#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(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 125#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 129#L593-2true [2022-10-17 10:52:01,978 INFO L750 eck$LassoCheckResult]: Loop: 129#L593-2true assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 187#L598true assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 16#L41true assume (15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0;~a16~0 := 5;~a20~0 := 0;calculate_output_#res#1 := 24; 140#L584true main_#t~ret7#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 129#L593-2true [2022-10-17 10:52:01,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:01,984 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-10-17 10:52:01,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:01,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753115465] [2022-10-17 10:52:01,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:01,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:02,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:02,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:02,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:02,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1268024, now seen corresponding path program 1 times [2022-10-17 10:52:02,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:02,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492324695] [2022-10-17 10:52:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:02,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:02,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:02,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:02,242 INFO L85 PathProgramCache]: Analyzing trace with hash 889695226, now seen corresponding path program 1 times [2022-10-17 10:52:02,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:02,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452292058] [2022-10-17 10:52:02,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:02,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:02,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:02,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:02,594 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:52:02,595 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:52:02,595 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:52:02,596 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:52:02,596 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:52:02,597 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:02,597 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:52:02,597 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:52:02,597 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label50.c_Iteration1_Loop [2022-10-17 10:52:02,598 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:52:02,598 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:52:02,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,662 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,699 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:02,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:52:02,888 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:52:02,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:02,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:02,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:02,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:02,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:02,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:52:02,940 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:02,940 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret7#1=0} Honda state: {ULTIMATE.start_main_#t~ret7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:02,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-10-17 10:52:02,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:02,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:02,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:02,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:02,980 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:02,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:52:02,994 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:02,995 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a12~0=8} Honda state: {~a12~0=8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:03,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:03,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:52:03,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:03,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:03,037 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:03,037 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a17~0=1} Honda state: {~a17~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:03,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:03,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:52:03,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:03,075 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:03,094 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:03,094 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a16~0=5} Honda state: {~a16~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:03,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:03,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,145 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:52:03,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:03,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:03,194 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:03,195 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a7~0=4} Honda state: {~a7~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:03,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:03,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,220 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:52:03,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:03,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:03,258 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:03,258 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0#1=1, ULTIMATE.start_calculate_output_~input#1=1, ULTIMATE.start_calculate_output_#in~input#1=1, ULTIMATE.start_main_#t~nondet6#1=1} Honda state: {ULTIMATE.start_main_~input~0#1=1, ULTIMATE.start_calculate_output_~input#1=1, ULTIMATE.start_calculate_output_#in~input#1=1, ULTIMATE.start_main_#t~nondet6#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:03,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-10-17 10:52:03,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,295 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:52:03,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:03,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:03,313 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:03,314 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a21~0=1} Honda state: {~a21~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:03,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-10-17 10:52:03,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,357 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:03,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:03,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:52:03,444 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:03,444 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_calculate_output_#res#1=24, ULTIMATE.start_main_~output~0#1=24} Honda state: {ULTIMATE.start_calculate_output_#res#1=24, ULTIMATE.start_main_~output~0#1=24} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:03,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:03,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,494 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:03,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:03,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:52:03,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:03,562 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a8~0=15} Honda state: {~a8~0=15} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:03,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:03,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,599 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:52:03,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:03,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:03,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:03,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,641 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:52:03,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:52:03,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:03,679 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:52:03,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:03,724 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:52:03,724 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:52:03,724 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:52:03,724 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:52:03,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:52:03,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,724 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:52:03,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:52:03,725 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label50.c_Iteration1_Loop [2022-10-17 10:52:03,725 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:52:03,725 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:52:03,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,735 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:03,943 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:52:03,949 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:52:03,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:03,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:03,955 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:03,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:03,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:03,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:03,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:03,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:03,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:03,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:03,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:03,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:52:03,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:04,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:04,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,040 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:52:04,046 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 [2022-10-17 10:52:04,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:04,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:04,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:04,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:04,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:04,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:04,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:04,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:04,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:04,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,113 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:52:04,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:04,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:04,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:04,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:04,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:04,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:04,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:04,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:04,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:04,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:04,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,184 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:04,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:04,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:04,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:04,202 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:52:04,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:04,205 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:52:04,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:04,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:52:04,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:04,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:04,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,254 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:52:04,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:04,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:04,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:04,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:04,265 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:52:04,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:04,266 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:52:04,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:04,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:04,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:04,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,307 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:52:04,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:04,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:04,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:04,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:04,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:04,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:04,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:04,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:04,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:04,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-10-17 10:52:04,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,359 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:52:04,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:04,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:04,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:04,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:04,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:04,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:04,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:04,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:04,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:04,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:04,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,396 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:52:04,403 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 [2022-10-17 10:52:04,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:04,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:04,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:04,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:04,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:04,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:04,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:04,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:04,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:04,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,490 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:04,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:04,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:04,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:04,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:04,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:04,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:04,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:04,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:52:04,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:04,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:04,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,572 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:04,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:52:04,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:04,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:04,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:04,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:04,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:04,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:04,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:04,588 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:52:04,615 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-10-17 10:52:04,615 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:52:04,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:04,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:04,626 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:04,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:52:04,632 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:52:04,632 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:52:04,633 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a20~0) = 1*~a20~0 Supporting invariants [] [2022-10-17 10:52:04,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:52:04,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-10-17 10:52:04,661 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:52:04,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:04,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:52:04,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:52:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:04,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:52:04,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:52:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:04,850 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:52:04,853 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 197 states, 196 states have (on average 1.663265306122449) internal successors, (326), 196 states have internal predecessors, (326), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:52:05,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:05,701 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 197 states, 196 states have (on average 1.663265306122449) internal successors, (326), 196 states have internal predecessors, (326), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 786 states and 1203 transitions. Complement of second has 6 states. [2022-10-17 10:52:05,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:52:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:52:05,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 624 transitions. [2022-10-17 10:52:05,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 624 transitions. Stem has 2 letters. Loop has 4 letters. [2022-10-17 10:52:05,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:05,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 624 transitions. Stem has 6 letters. Loop has 4 letters. [2022-10-17 10:52:05,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:05,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 624 transitions. Stem has 2 letters. Loop has 8 letters. [2022-10-17 10:52:05,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:05,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 786 states and 1203 transitions. [2022-10-17 10:52:05,752 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 323 [2022-10-17 10:52:05,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 786 states to 460 states and 680 transitions. [2022-10-17 10:52:05,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 326 [2022-10-17 10:52:05,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 328 [2022-10-17 10:52:05,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 460 states and 680 transitions. [2022-10-17 10:52:05,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:52:05,778 INFO L218 hiAutomatonCegarLoop]: Abstraction has 460 states and 680 transitions. [2022-10-17 10:52:05,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states and 680 transitions. [2022-10-17 10:52:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 458. [2022-10-17 10:52:05,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 458 states have (on average 1.480349344978166) internal successors, (678), 457 states have internal predecessors, (678), 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) [2022-10-17 10:52:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 678 transitions. [2022-10-17 10:52:05,884 INFO L240 hiAutomatonCegarLoop]: Abstraction has 458 states and 678 transitions. [2022-10-17 10:52:05,884 INFO L428 stractBuchiCegarLoop]: Abstraction has 458 states and 678 transitions. [2022-10-17 10:52:05,884 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:52:05,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 458 states and 678 transitions. [2022-10-17 10:52:05,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 323 [2022-10-17 10:52:05,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:05,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:05,890 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:52:05,890 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:05,891 INFO L748 eck$LassoCheckResult]: Stem: 1407#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(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 1325#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 1326#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1334#L598 [2022-10-17 10:52:05,898 INFO L750 eck$LassoCheckResult]: Loop: 1334#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 1072#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 1073#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 1099#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 1100#L59 assume 1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0;~a8~0 := 13;~a7~0 := 1;~a16~0 := 4;calculate_output_#res#1 := -1; 1038#L584 main_#t~ret7#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 1333#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1334#L598 [2022-10-17 10:52:05,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:05,899 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-10-17 10:52:05,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:05,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970144580] [2022-10-17 10:52:05,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:05,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:05,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:05,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:05,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:05,951 INFO L85 PathProgramCache]: Analyzing trace with hash -610794083, now seen corresponding path program 1 times [2022-10-17 10:52:05,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:05,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014519215] [2022-10-17 10:52:05,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:05,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:05,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:06,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:06,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:06,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1479452906, now seen corresponding path program 1 times [2022-10-17 10:52:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:06,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541454869] [2022-10-17 10:52:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:06,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:06,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:06,263 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:52:06,263 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:52:06,263 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:52:06,263 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:52:06,263 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:52:06,263 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:06,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:52:06,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:52:06,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label50.c_Iteration2_Loop [2022-10-17 10:52:06,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:52:06,264 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:52:06,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,504 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:52:06,504 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:52:06,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:06,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:06,506 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:06,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:06,514 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:06,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:52:06,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:06,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:06,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:06,599 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:06,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:52:06,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:06,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:52:06,691 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:52:06,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:06,694 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:52:06,695 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:52:06,695 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:52:06,695 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:52:06,695 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:52:06,695 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:06,695 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:52:06,695 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:52:06,695 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label50.c_Iteration2_Loop [2022-10-17 10:52:06,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:52:06,695 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:52:06,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,727 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:06,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:52:06,933 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:52:06,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:06,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:06,943 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:06,948 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 [2022-10-17 10:52:06,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:06,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:06,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:06,960 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:52:06,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:06,964 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:52:06,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:06,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-10-17 10:52:06,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:07,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-10-17 10:52:07,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:07,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:07,005 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:07,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:52:07,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:07,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:07,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:07,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:07,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:07,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:07,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:07,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:07,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:07,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:07,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:07,066 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:52:07,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:07,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:07,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:07,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:07,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:07,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:07,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:07,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:07,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:07,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-10-17 10:52:07,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:07,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:07,114 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:07,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-10-17 10:52:07,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:07,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:07,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:07,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:07,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:07,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:07,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:07,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:07,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:07,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:07,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:07,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:07,204 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:07,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-10-17 10:52:07,211 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 [2022-10-17 10:52:07,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:07,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:07,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:07,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:07,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:07,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:07,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:07,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:07,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-10-17 10:52:07,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:07,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:07,261 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:07,263 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 [2022-10-17 10:52:07,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:52:07,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:07,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:07,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:07,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:07,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:07,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:07,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:07,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:07,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:07,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:07,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:07,338 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:07,340 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 [2022-10-17 10:52:07,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:52:07,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:07,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:07,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:07,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:07,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:07,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:07,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:07,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:07,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:07,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:07,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:07,378 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:07,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-10-17 10:52:07,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:07,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:07,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:07,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:07,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:07,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:07,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:07,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:07,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:52:07,397 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:52:07,397 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:52:07,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:07,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:07,400 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:07,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-10-17 10:52:07,402 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:52:07,402 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:52:07,402 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:52:07,402 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a8~0) = 1*~a8~0 Supporting invariants [] [2022-10-17 10:52:07,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-10-17 10:52:07,426 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:52:07,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:07,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:52:07,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:52:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:07,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:52:07,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:52:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:07,542 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:52:07,543 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 458 states and 678 transitions. cyclomatic complexity: 223 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-10-17 10:52:08,191 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 458 states and 678 transitions. cyclomatic complexity: 223. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1569 states and 2218 transitions. Complement of second has 6 states. [2022-10-17 10:52:08,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:52:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-10-17 10:52:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 629 transitions. [2022-10-17 10:52:08,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 629 transitions. Stem has 3 letters. Loop has 7 letters. [2022-10-17 10:52:08,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:08,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 629 transitions. Stem has 10 letters. Loop has 7 letters. [2022-10-17 10:52:08,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:08,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 629 transitions. Stem has 3 letters. Loop has 14 letters. [2022-10-17 10:52:08,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:08,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1569 states and 2218 transitions. [2022-10-17 10:52:08,218 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 585 [2022-10-17 10:52:08,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1569 states to 1255 states and 1716 transitions. [2022-10-17 10:52:08,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 590 [2022-10-17 10:52:08,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 593 [2022-10-17 10:52:08,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1255 states and 1716 transitions. [2022-10-17 10:52:08,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:52:08,244 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1255 states and 1716 transitions. [2022-10-17 10:52:08,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states and 1716 transitions. [2022-10-17 10:52:08,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1252. [2022-10-17 10:52:08,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1252 states have (on average 1.3682108626198084) internal successors, (1713), 1251 states have internal predecessors, (1713), 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) [2022-10-17 10:52:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1713 transitions. [2022-10-17 10:52:08,294 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1252 states and 1713 transitions. [2022-10-17 10:52:08,294 INFO L428 stractBuchiCegarLoop]: Abstraction has 1252 states and 1713 transitions. [2022-10-17 10:52:08,294 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:52:08,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1252 states and 1713 transitions. [2022-10-17 10:52:08,303 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 585 [2022-10-17 10:52:08,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:08,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:08,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:52:08,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:08,309 INFO L748 eck$LassoCheckResult]: Stem: 3539#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(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 3430#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 3431#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 3978#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 3149#L41 [2022-10-17 10:52:08,309 INFO L750 eck$LassoCheckResult]: Loop: 3149#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 3150#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 3179#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 3180#L59 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 3318#L64 assume !((3 == calculate_output_~input#1 && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 3248#L72 assume (1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input#1 && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0;~a17~0 := 0;calculate_output_#res#1 := 26; 3242#L584 main_#t~ret7#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 3455#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 3532#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 3149#L41 [2022-10-17 10:52:08,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:08,310 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-10-17 10:52:08,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:08,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729999982] [2022-10-17 10:52:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:08,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:08,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:08,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:08,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:08,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1383516540, now seen corresponding path program 1 times [2022-10-17 10:52:08,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:08,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412149074] [2022-10-17 10:52:08,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:08,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:08,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:08,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:08,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:08,411 INFO L85 PathProgramCache]: Analyzing trace with hash -103207691, now seen corresponding path program 1 times [2022-10-17 10:52:08,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:08,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538851873] [2022-10-17 10:52:08,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:08,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:08,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:52:08,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538851873] [2022-10-17 10:52:08,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538851873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:52:08,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:52:08,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:52:08,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403350262] [2022-10-17 10:52:08,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:52:08,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:08,809 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:52:08,810 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:52:08,810 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:52:08,810 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:52:08,810 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:52:08,810 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:08,810 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:52:08,810 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:52:08,810 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label50.c_Iteration3_Loop [2022-10-17 10:52:08,810 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:52:08,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:52:08,812 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:08,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,166 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:52:09,166 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:52:09,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,170 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-10-17 10:52:09,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:09,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:09,183 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:09,183 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a12~0=8} Honda state: {~a12~0=8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:09,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:09,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,214 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-10-17 10:52:09,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:09,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:09,263 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:09,264 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0#1=4, ULTIMATE.start_calculate_output_~input#1=4, ULTIMATE.start_calculate_output_#in~input#1=4, ULTIMATE.start_main_#t~nondet6#1=4} Honda state: {ULTIMATE.start_main_~input~0#1=4, ULTIMATE.start_calculate_output_~input#1=4, ULTIMATE.start_calculate_output_#in~input#1=4, ULTIMATE.start_main_#t~nondet6#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:09,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:09,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,297 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-10-17 10:52:09,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:09,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:09,311 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:09,311 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a8~0=15} Honda state: {~a8~0=15} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:09,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-10-17 10:52:09,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,341 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-10-17 10:52:09,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:09,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:09,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:09,369 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret7#1=0} Honda state: {ULTIMATE.start_main_#t~ret7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:09,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:09,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,413 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-10-17 10:52:09,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:09,415 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:09,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:09,424 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a21~0=1} Honda state: {~a21~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:09,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-10-17 10:52:09,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,449 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-10-17 10:52:09,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:09,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:09,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:09,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,489 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-10-17 10:52:09,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:52:09,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:09,513 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:52:09,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-10-17 10:52:09,551 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:52:09,552 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:52:09,552 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:52:09,552 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:52:09,552 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:52:09,552 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,552 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:52:09,552 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:52:09,552 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label50.c_Iteration3_Loop [2022-10-17 10:52:09,552 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:52:09,552 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:52:09,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:09,849 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:52:09,849 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:52:09,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,859 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,861 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 [2022-10-17 10:52:09,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-10-17 10:52:09,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:09,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:09,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:09,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:09,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:09,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:09,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:09,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:09,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:09,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,894 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:09,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-10-17 10:52:09,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:09,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:09,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:09,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:09,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:09,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:09,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:09,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:09,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:09,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,930 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-10-17 10:52:09,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:09,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:09,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:09,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:09,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:09,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:09,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:09,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:09,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:09,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-10-17 10:52:09,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:09,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:09,966 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:09,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-10-17 10:52:09,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:09,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:09,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:09,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:09,976 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-10-17 10:52:09,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:09,990 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-10-17 10:52:09,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:10,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:10,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:10,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:10,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:10,064 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:10,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:10,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:10,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:10,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:10,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:10,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:10,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:10,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:10,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-10-17 10:52:10,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:10,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:10,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:10,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:10,137 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:10,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:10,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:10,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:10,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:10,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:10,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:10,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:10,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:10,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-10-17 10:52:10,166 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:52:10,184 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:52:10,185 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:52:10,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:10,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:10,186 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:10,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:52:10,189 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:52:10,189 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:52:10,189 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a17~0) = 1*~a17~0 Supporting invariants [] [2022-10-17 10:52:10,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-10-17 10:52:10,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-10-17 10:52:10,215 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:52:10,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:10,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:52:10,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:52:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:10,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:52:10,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:52:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:10,334 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:52:10,334 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1252 states and 1713 transitions. cyclomatic complexity: 470 Second operand has 4 states, 4 states have (on average 3.25) 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) [2022-10-17 10:52:10,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:11,055 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1252 states and 1713 transitions. cyclomatic complexity: 470. Second operand has 4 states, 4 states have (on average 3.25) 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) Result 4228 states and 5473 transitions. Complement of second has 6 states. [2022-10-17 10:52:11,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:52:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) 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) [2022-10-17 10:52:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 607 transitions. [2022-10-17 10:52:11,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 607 transitions. Stem has 4 letters. Loop has 9 letters. [2022-10-17 10:52:11,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:11,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 607 transitions. Stem has 13 letters. Loop has 9 letters. [2022-10-17 10:52:11,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:11,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 607 transitions. Stem has 4 letters. Loop has 18 letters. [2022-10-17 10:52:11,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:11,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4228 states and 5473 transitions. [2022-10-17 10:52:11,106 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1109 [2022-10-17 10:52:11,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4228 states to 3914 states and 4971 transitions. [2022-10-17 10:52:11,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1120 [2022-10-17 10:52:11,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1125 [2022-10-17 10:52:11,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3914 states and 4971 transitions. [2022-10-17 10:52:11,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:52:11,149 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3914 states and 4971 transitions. [2022-10-17 10:52:11,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states and 4971 transitions. [2022-10-17 10:52:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 3907. [2022-10-17 10:52:11,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3907 states have (on average 1.2705400563091886) internal successors, (4964), 3906 states have internal predecessors, (4964), 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) [2022-10-17 10:52:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 4964 transitions. [2022-10-17 10:52:11,256 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3907 states and 4964 transitions. [2022-10-17 10:52:11,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:52:11,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:52:11,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:52:11,263 INFO L87 Difference]: Start difference. First operand 3907 states and 4964 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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) [2022-10-17 10:52:12,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:52:12,173 INFO L93 Difference]: Finished difference Result 7721 states and 9633 transitions. [2022-10-17 10:52:12,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7721 states and 9633 transitions. [2022-10-17 10:52:12,296 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 2096 [2022-10-17 10:52:12,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7721 states to 7660 states and 9531 transitions. [2022-10-17 10:52:12,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2108 [2022-10-17 10:52:12,375 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2108 [2022-10-17 10:52:12,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7660 states and 9531 transitions. [2022-10-17 10:52:12,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:52:12,382 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7660 states and 9531 transitions. [2022-10-17 10:52:12,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7660 states and 9531 transitions. [2022-10-17 10:52:12,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7660 to 7005. [2022-10-17 10:52:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7005 states, 7005 states have (on average 1.247822983583155) internal successors, (8741), 7004 states have internal predecessors, (8741), 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) [2022-10-17 10:52:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7005 states to 7005 states and 8741 transitions. [2022-10-17 10:52:12,596 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7005 states and 8741 transitions. [2022-10-17 10:52:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:52:12,598 INFO L428 stractBuchiCegarLoop]: Abstraction has 7005 states and 8741 transitions. [2022-10-17 10:52:12,598 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:52:12,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7005 states and 8741 transitions. [2022-10-17 10:52:12,644 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1834 [2022-10-17 10:52:12,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:12,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:12,646 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:52:12,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:12,647 INFO L748 eck$LassoCheckResult]: Stem: 20591#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(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 20423#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 20424#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 24729#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 24920#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 20354#L45 [2022-10-17 10:52:12,650 INFO L750 eck$LassoCheckResult]: Loop: 20354#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 20394#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 20395#L59 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 20336#L64 assume !((3 == calculate_output_~input#1 && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 20338#L72 assume !((1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input#1 && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0); 20472#L75 assume !((8 == ~a12~0 && (1 == ~a21~0 && ((5 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 20473#L82 assume !(8 == ~a12~0 && 1 == calculate_output_~input#1 && ((1 == ~a21~0 && (15 == ~a8~0 && (!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && 13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0))); 20544#L90 assume !((((!(1 == ~a17~0) && !(1 == ~a7~0) && 1 == ~a21~0 && 15 == ~a8~0 && 4 == calculate_output_~input#1) && !(1 == ~a20~0)) && 8 == ~a12~0) && 4 == ~a16~0); 20595#L94 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 2 == calculate_output_~input#1) && 8 == ~a12~0); 27244#L102 assume !(13 == ~a8~0 && !(1 == ~a21~0) && ((3 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0))) && 8 == ~a12~0) && 1 == ~a7~0); 27243#L107 assume !(((1 == ~a21~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1 && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || (5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0))) && !(1 == ~a7~0)) && 15 == ~a8~0); 27242#L112 assume !((5 == ~a16~0 && (1 == ~a7~0 && (!(1 == ~a21~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 1 == ~a20~0); 27241#L118 assume !(1 == ~a17~0 && (15 == ~a8~0 && (8 == ~a12~0 && (!(1 == ~a7~0) && 5 == calculate_output_~input#1) && 1 == ~a21~0) && !(1 == ~a20~0)) && 5 == ~a16~0); 27240#L124 assume !(!(1 == ~a7~0) && (((1 == ~a21~0 && (15 == ~a8~0 && 5 == calculate_output_~input#1) && !(1 == ~a17~0)) && 8 == ~a12~0) && 1 == ~a20~0) && 4 == ~a16~0); 27239#L129 assume !((!(1 == ~a21~0) && (8 == ~a12~0 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0)) && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a7~0); 27147#L134 assume !(1 == ~a17~0 && !(1 == ~a7~0) && (1 == ~a21~0 && (8 == ~a12~0 && 5 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && 1 == ~a20~0) && 15 == ~a8~0); 20373#L139 assume !((8 == ~a12~0 && !(1 == ~a21~0) && 1 == ~a7~0 && 13 == ~a8~0 && 6 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (4 == ~a16~0 && !(1 == ~a17~0))) || (5 == ~a16~0 && !(1 == ~a17~0)))) && 1 == ~a20~0); 20374#L146 assume !((5 == ~a16~0 && ((15 == ~a8~0 && (!(1 == ~a7~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 8 == ~a12~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 20542#L150 assume !(!(1 == ~a20~0) && 1 == ~a21~0 && 4 == ~a16~0 && 15 == ~a8~0 && (8 == ~a12~0 && 2 == calculate_output_~input#1 && !(1 == ~a7~0)) && !(1 == ~a17~0)); 20552#L154 assume !((1 == ~a21~0 && !(1 == ~a7~0) && (!(1 == ~a20~0) && !(1 == ~a17~0) && 8 == ~a12~0 && 6 == calculate_output_~input#1) && 4 == ~a16~0) && 15 == ~a8~0); 20314#L158 assume !(1 == ~a17~0 && ((((8 == ~a12~0 && 4 == calculate_output_~input#1 && 13 == ~a8~0) && 1 == ~a20~0) && !(1 == ~a21~0)) && 5 == ~a16~0) && 1 == ~a7~0); 20315#L162 assume !(((13 == ~a8~0 && 8 == ~a12~0 && ((((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0)) && 1 == calculate_output_~input#1) && !(1 == ~a21~0)) && 1 == ~a20~0) && 1 == ~a7~0); 23212#L170 assume !(13 == ~a8~0 && !(1 == ~a21~0) && (((((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 5 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0); 23210#L175 assume !((!(1 == ~a21~0) && ((((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0)) && 4 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0) && 13 == ~a8~0); 23208#L183 assume !((1 == ~a21~0 && !(1 == ~a7~0) && ((((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0) && 15 == ~a8~0); 23206#L188 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && ((1 == ~a7~0 && 1 == ~a17~0) && 1 == ~a20~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0); 23204#L196 assume !(!(1 == ~a17~0) && (8 == ~a12~0 && !(1 == ~a20~0) && (15 == ~a8~0 && 1 == ~a21~0 && 4 == calculate_output_~input#1) && !(1 == ~a7~0)) && 5 == ~a16~0); 23202#L199 assume !(((!(1 == ~a7~0) && (2 == calculate_output_~input#1 && (((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 15 == ~a8~0) && 8 == ~a12~0) && 1 == ~a21~0); 23200#L204 assume !(!(1 == ~a20~0) && (((((6 == calculate_output_~input#1 && 5 == ~a16~0) && 1 == ~a21~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && !(1 == ~a7~0)) && 15 == ~a8~0); 23198#L207 assume !(8 == ~a12~0 && (((((1 == ~a21~0 && 5 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0); 23196#L213 assume !(((15 == ~a8~0 && !(1 == ~a7~0) && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 5 == ~a16~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0); 23194#L218 assume !(15 == ~a8~0 && 4 == ~a16~0 && !(1 == ~a20~0) && ((1 == ~a21~0 && !(1 == ~a17~0) && 5 == calculate_output_~input#1) && !(1 == ~a7~0)) && 8 == ~a12~0); 23192#L224 assume !(1 == ~a17~0 && 8 == ~a12~0 && 15 == ~a8~0 && ((!(1 == ~a7~0) && (5 == ~a16~0 || 6 == ~a16~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 1 == ~a20~0); 23190#L228 assume !(!(1 == ~a7~0) && (15 == ~a8~0 && (!(1 == ~a17~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 1 == ~a20~0); 23188#L233 assume !(5 == ~a16~0 && (!(1 == ~a21~0) && (13 == ~a8~0 && (2 == calculate_output_~input#1 && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && 1 == ~a17~0); 20368#L241 assume !(1 == ~a20~0 && (8 == ~a12~0 && 1 == ~a7~0 && 13 == ~a8~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 3 == calculate_output_~input#1) && !(1 == ~a21~0)); 20370#L248 assume !(8 == ~a12~0 && 1 == ~a7~0 && !(1 == ~a21~0) && 13 == ~a8~0 && 6 == calculate_output_~input#1 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0)))); 24751#L255 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && ((4 == ~a16~0 && 15 == ~a8~0 && 1 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0) && 1 == ~a20~0); 24750#L260 assume !(1 == ~a17~0 && (1 == ~a21~0 && !(1 == ~a20~0) && 8 == ~a12~0 && 15 == ~a8~0 && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && 6 == ~a16~0); 24746#L266 assume !(1 == ~a20~0 && 8 == ~a12~0 && ((1 == ~a17~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 4 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 20385#L271 assume !(((13 == ~a8~0 && (((!(1 == ~a21~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a17~0) && 1 == ~a7~0) && 5 == ~a16~0); 20386#L275 assume !(5 == ~a16~0 && (((8 == ~a12~0 && !(1 == ~a7~0) && 2 == calculate_output_~input#1 && !(1 == ~a20~0)) && 1 == ~a21~0) && 1 == ~a17~0) && 15 == ~a8~0); 20571#L278 assume !((8 == ~a12~0 && ((!(1 == ~a17~0) && 1 == ~a21~0 && 4 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a20~0) && 4 == ~a16~0); 20563#L283 assume !(1 == ~a7~0 && 13 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a21~0) && 2 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0))); 20358#L288 assume !(((((((!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (((13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 4 == ~a16~0) && !(1 == ~a21~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0); 20359#L296 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && (((3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 15 == ~a8~0) && 8 == ~a12~0) && !(1 == ~a20~0)); 20455#L302 assume !((((8 == ~a12~0 && (((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0) || ((1 == ~a20~0 && !(1 == ~a17~0)) && 5 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) && 3 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 20532#L309 assume !(((!(1 == ~a7~0) && (5 == calculate_output_~input#1 && (((5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 20536#L316 assume !((!(1 == ~a7~0) && (1 == ~a21~0 && (1 == ~a17~0 && 8 == ~a12~0 && 2 == calculate_output_~input#1) && !(1 == ~a20~0)) && 6 == ~a16~0) && 15 == ~a8~0); 20539#L322 assume !((!(1 == ~a17~0) && 1 == ~a21~0 && (!(1 == ~a20~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0); 20362#L326 assume (5 == ~a16~0 && !(1 == ~a20~0) && (((6 == calculate_output_~input#1 && 1 == ~a21~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0) && 15 == ~a8~0;calculate_output_#res#1 := 24; 20363#L584 main_#t~ret7#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 20435#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 20436#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 20353#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 20354#L45 [2022-10-17 10:52:12,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:12,659 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2022-10-17 10:52:12,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:12,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878093266] [2022-10-17 10:52:12,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:12,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:12,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:12,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:12,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:12,714 INFO L85 PathProgramCache]: Analyzing trace with hash -138367681, now seen corresponding path program 1 times [2022-10-17 10:52:12,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:12,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103212569] [2022-10-17 10:52:12,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:12,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:12,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:12,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:12,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:12,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1397813011, now seen corresponding path program 1 times [2022-10-17 10:52:12,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:12,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935081204] [2022-10-17 10:52:12,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:12,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:13,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:52:13,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935081204] [2022-10-17 10:52:13,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935081204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:52:13,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:52:13,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:52:13,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273546170] [2022-10-17 10:52:13,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:52:13,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:52:13,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:52:13,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:52:13,567 INFO L87 Difference]: Start difference. First operand 7005 states and 8741 transitions. cyclomatic complexity: 1765 Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2022-10-17 10:52:14,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:52:14,149 INFO L93 Difference]: Finished difference Result 11474 states and 13708 transitions. [2022-10-17 10:52:14,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11474 states and 13708 transitions. [2022-10-17 10:52:14,212 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3406 [2022-10-17 10:52:14,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11474 states to 11474 states and 13708 transitions. [2022-10-17 10:52:14,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3418 [2022-10-17 10:52:14,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3418 [2022-10-17 10:52:14,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11474 states and 13708 transitions. [2022-10-17 10:52:14,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:52:14,325 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11474 states and 13708 transitions. [2022-10-17 10:52:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11474 states and 13708 transitions. [2022-10-17 10:52:14,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11474 to 8451. [2022-10-17 10:52:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8451 states, 8451 states have (on average 1.2122825701100461) internal successors, (10245), 8450 states have internal predecessors, (10245), 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) [2022-10-17 10:52:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8451 states to 8451 states and 10245 transitions. [2022-10-17 10:52:14,626 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8451 states and 10245 transitions. [2022-10-17 10:52:14,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:52:14,629 INFO L428 stractBuchiCegarLoop]: Abstraction has 8451 states and 10245 transitions. [2022-10-17 10:52:14,630 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:52:14,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8451 states and 10245 transitions. [2022-10-17 10:52:14,659 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2620 [2022-10-17 10:52:14,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:14,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:14,662 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:52:14,663 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:14,663 INFO L748 eck$LassoCheckResult]: Stem: 39071#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(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 38909#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 38910#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 42084#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 45122#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 45119#L45 [2022-10-17 10:52:14,664 INFO L750 eck$LassoCheckResult]: Loop: 45119#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 45118#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 45117#L59 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 45116#L64 assume !((3 == calculate_output_~input#1 && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 45115#L72 assume !((1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input#1 && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0); 45114#L75 assume !((8 == ~a12~0 && (1 == ~a21~0 && ((5 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 45113#L82 assume !(8 == ~a12~0 && 1 == calculate_output_~input#1 && ((1 == ~a21~0 && (15 == ~a8~0 && (!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && 13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0))); 45112#L90 assume !((((!(1 == ~a17~0) && !(1 == ~a7~0) && 1 == ~a21~0 && 15 == ~a8~0 && 4 == calculate_output_~input#1) && !(1 == ~a20~0)) && 8 == ~a12~0) && 4 == ~a16~0); 45111#L94 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 2 == calculate_output_~input#1) && 8 == ~a12~0); 45110#L102 assume !(13 == ~a8~0 && !(1 == ~a21~0) && ((3 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0))) && 8 == ~a12~0) && 1 == ~a7~0); 45109#L107 assume !(((1 == ~a21~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1 && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || (5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0))) && !(1 == ~a7~0)) && 15 == ~a8~0); 45108#L112 assume !((5 == ~a16~0 && (1 == ~a7~0 && (!(1 == ~a21~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 1 == ~a20~0); 45107#L118 assume !(1 == ~a17~0 && (15 == ~a8~0 && (8 == ~a12~0 && (!(1 == ~a7~0) && 5 == calculate_output_~input#1) && 1 == ~a21~0) && !(1 == ~a20~0)) && 5 == ~a16~0); 45106#L124 assume !(!(1 == ~a7~0) && (((1 == ~a21~0 && (15 == ~a8~0 && 5 == calculate_output_~input#1) && !(1 == ~a17~0)) && 8 == ~a12~0) && 1 == ~a20~0) && 4 == ~a16~0); 45105#L129 assume !((!(1 == ~a21~0) && (8 == ~a12~0 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0)) && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a7~0); 45104#L134 assume !(1 == ~a17~0 && !(1 == ~a7~0) && (1 == ~a21~0 && (8 == ~a12~0 && 5 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && 1 == ~a20~0) && 15 == ~a8~0); 45103#L139 assume !((8 == ~a12~0 && !(1 == ~a21~0) && 1 == ~a7~0 && 13 == ~a8~0 && 6 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (4 == ~a16~0 && !(1 == ~a17~0))) || (5 == ~a16~0 && !(1 == ~a17~0)))) && 1 == ~a20~0); 45102#L146 assume !((5 == ~a16~0 && ((15 == ~a8~0 && (!(1 == ~a7~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 8 == ~a12~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 45101#L150 assume !(!(1 == ~a20~0) && 1 == ~a21~0 && 4 == ~a16~0 && 15 == ~a8~0 && (8 == ~a12~0 && 2 == calculate_output_~input#1 && !(1 == ~a7~0)) && !(1 == ~a17~0)); 45100#L154 assume !((1 == ~a21~0 && !(1 == ~a7~0) && (!(1 == ~a20~0) && !(1 == ~a17~0) && 8 == ~a12~0 && 6 == calculate_output_~input#1) && 4 == ~a16~0) && 15 == ~a8~0); 45099#L158 assume !(1 == ~a17~0 && ((((8 == ~a12~0 && 4 == calculate_output_~input#1 && 13 == ~a8~0) && 1 == ~a20~0) && !(1 == ~a21~0)) && 5 == ~a16~0) && 1 == ~a7~0); 45098#L162 assume !(((13 == ~a8~0 && 8 == ~a12~0 && ((((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0)) && 1 == calculate_output_~input#1) && !(1 == ~a21~0)) && 1 == ~a20~0) && 1 == ~a7~0); 45097#L170 assume !(13 == ~a8~0 && !(1 == ~a21~0) && (((((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 5 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0); 45096#L175 assume !((!(1 == ~a21~0) && ((((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0)) && 4 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0) && 13 == ~a8~0); 45095#L183 assume !((1 == ~a21~0 && !(1 == ~a7~0) && ((((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0) && 15 == ~a8~0); 45094#L188 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && ((1 == ~a7~0 && 1 == ~a17~0) && 1 == ~a20~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0); 45093#L196 assume !(!(1 == ~a17~0) && (8 == ~a12~0 && !(1 == ~a20~0) && (15 == ~a8~0 && 1 == ~a21~0 && 4 == calculate_output_~input#1) && !(1 == ~a7~0)) && 5 == ~a16~0); 45092#L199 assume !(((!(1 == ~a7~0) && (2 == calculate_output_~input#1 && (((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 15 == ~a8~0) && 8 == ~a12~0) && 1 == ~a21~0); 45091#L204 assume !(!(1 == ~a20~0) && (((((6 == calculate_output_~input#1 && 5 == ~a16~0) && 1 == ~a21~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && !(1 == ~a7~0)) && 15 == ~a8~0); 45090#L207 assume !(8 == ~a12~0 && (((((1 == ~a21~0 && 5 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0); 45088#L213 assume !(((15 == ~a8~0 && !(1 == ~a7~0) && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 5 == ~a16~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0); 45089#L218 assume !(15 == ~a8~0 && 4 == ~a16~0 && !(1 == ~a20~0) && ((1 == ~a21~0 && !(1 == ~a17~0) && 5 == calculate_output_~input#1) && !(1 == ~a7~0)) && 8 == ~a12~0); 45195#L224 assume !(1 == ~a17~0 && 8 == ~a12~0 && 15 == ~a8~0 && ((!(1 == ~a7~0) && (5 == ~a16~0 || 6 == ~a16~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 1 == ~a20~0); 45193#L228 assume !(!(1 == ~a7~0) && (15 == ~a8~0 && (!(1 == ~a17~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 1 == ~a20~0); 45191#L233 assume !(5 == ~a16~0 && (!(1 == ~a21~0) && (13 == ~a8~0 && (2 == calculate_output_~input#1 && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && 1 == ~a17~0); 45189#L241 assume !(1 == ~a20~0 && (8 == ~a12~0 && 1 == ~a7~0 && 13 == ~a8~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 3 == calculate_output_~input#1) && !(1 == ~a21~0)); 45187#L248 assume !(8 == ~a12~0 && 1 == ~a7~0 && !(1 == ~a21~0) && 13 == ~a8~0 && 6 == calculate_output_~input#1 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0)))); 45185#L255 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && ((4 == ~a16~0 && 15 == ~a8~0 && 1 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0) && 1 == ~a20~0); 45183#L260 assume !(1 == ~a17~0 && (1 == ~a21~0 && !(1 == ~a20~0) && 8 == ~a12~0 && 15 == ~a8~0 && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && 6 == ~a16~0); 45181#L266 assume !(1 == ~a20~0 && 8 == ~a12~0 && ((1 == ~a17~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 4 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 45179#L271 assume !(((13 == ~a8~0 && (((!(1 == ~a21~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a17~0) && 1 == ~a7~0) && 5 == ~a16~0); 45177#L275 assume !(5 == ~a16~0 && (((8 == ~a12~0 && !(1 == ~a7~0) && 2 == calculate_output_~input#1 && !(1 == ~a20~0)) && 1 == ~a21~0) && 1 == ~a17~0) && 15 == ~a8~0); 45175#L278 assume !((8 == ~a12~0 && ((!(1 == ~a17~0) && 1 == ~a21~0 && 4 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a20~0) && 4 == ~a16~0); 45173#L283 assume !(1 == ~a7~0 && 13 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a21~0) && 2 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0))); 45171#L288 assume !(((((((!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (((13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 4 == ~a16~0) && !(1 == ~a21~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0); 45169#L296 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && (((3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 15 == ~a8~0) && 8 == ~a12~0) && !(1 == ~a20~0)); 45167#L302 assume !((((8 == ~a12~0 && (((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0) || ((1 == ~a20~0 && !(1 == ~a17~0)) && 5 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) && 3 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 45165#L309 assume !(((!(1 == ~a7~0) && (5 == calculate_output_~input#1 && (((5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 45163#L316 assume !((!(1 == ~a7~0) && (1 == ~a21~0 && (1 == ~a17~0 && 8 == ~a12~0 && 2 == calculate_output_~input#1) && !(1 == ~a20~0)) && 6 == ~a16~0) && 15 == ~a8~0); 45161#L322 assume !((!(1 == ~a17~0) && 1 == ~a21~0 && (!(1 == ~a20~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0); 45159#L326 assume !((5 == ~a16~0 && !(1 == ~a20~0) && (((6 == calculate_output_~input#1 && 1 == ~a21~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0) && 15 == ~a8~0); 45157#L328 assume !(!(1 == ~a7~0) && 1 == ~a17~0 && (6 == ~a16~0 && !(1 == ~a20~0) && (6 == calculate_output_~input#1 && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 45155#L334 assume !(((1 == ~a21~0 && 15 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a7~0) && !(1 == ~a17~0) && 2 == calculate_output_~input#1) && 4 == ~a16~0) && 1 == ~a20~0); 45153#L339 assume !(15 == ~a8~0 && (4 == ~a16~0 && 8 == ~a12~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && !(1 == ~a17~0)) && 1 == ~a21~0); 45151#L343 assume !(1 == ~a21~0 && (8 == ~a12~0 && ((1 == ~a17~0 && 3 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && !(1 == ~a7~0)) && 1 == ~a20~0) && 15 == ~a8~0); 45149#L347 assume !(!(1 == ~a21~0) && 1 == ~a20~0 && (8 == ~a12~0 && 13 == ~a8~0 && ((5 == ~a16~0 && !(1 == ~a17~0)) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 2 == calculate_output_~input#1) && 1 == ~a7~0); 45147#L355 assume !(1 == ~a7~0 && 8 == ~a12~0 && ((1 == ~a20~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (4 == ~a16~0 && !(1 == ~a17~0))) && 4 == calculate_output_~input#1) && 13 == ~a8~0) && !(1 == ~a21~0)); 45145#L363 assume !(1 == ~a21~0 && (((!(1 == ~a7~0) && 15 == ~a8~0 && !(1 == ~a20~0) && 4 == calculate_output_~input#1) && 1 == ~a17~0) && 5 == ~a16~0) && 8 == ~a12~0); 45143#L365 assume !(((!(1 == ~a7~0) && (!(1 == ~a20~0) && 1 == ~a21~0 && 3 == calculate_output_~input#1 && 1 == ~a17~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0); 45141#L371 assume !((((!(1 == ~a17~0) && !(1 == ~a20~0) && 15 == ~a8~0 && 1 == calculate_output_~input#1 && 5 == ~a16~0) && 8 == ~a12~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 45139#L373 assume !(((1 == ~a21~0 && 15 == ~a8~0 && (5 == ~a16~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)); 45137#L375 assume !((!(1 == ~a21~0) && 1 == ~a20~0 && ((13 == ~a8~0 && 1 == ~a7~0 && 5 == calculate_output_~input#1) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0); 45135#L382 assume !(((!(1 == ~a7~0) && 1 == ~a21~0 && ((6 == calculate_output_~input#1 && 1 == ~a20~0) && 15 == ~a8~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && 4 == ~a16~0); 45132#L387 assume ((1 == ~a20~0 && ((!(1 == ~a21~0) && 1 == ~a7~0 && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0;~a21~0 := 1;~a16~0 := 6;~a7~0 := 0;calculate_output_#res#1 := -1; 41391#L584 main_#t~ret7#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 45129#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 45130#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 45120#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 45119#L45 [2022-10-17 10:52:14,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:14,665 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 2 times [2022-10-17 10:52:14,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:14,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659822198] [2022-10-17 10:52:14,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:14,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:14,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:14,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:14,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:14,703 INFO L85 PathProgramCache]: Analyzing trace with hash -544153846, now seen corresponding path program 1 times [2022-10-17 10:52:14,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:14,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123358372] [2022-10-17 10:52:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:14,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:14,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:14,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash 702363062, now seen corresponding path program 1 times [2022-10-17 10:52:14,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:14,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430524124] [2022-10-17 10:52:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:14,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:15,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:52:15,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430524124] [2022-10-17 10:52:15,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430524124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:52:15,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:52:15,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:52:15,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502151371] [2022-10-17 10:52:15,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:52:15,817 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:52:15,817 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:52:15,817 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:52:15,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:52:15,817 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:52:15,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:15,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:52:15,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:52:15,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label50.c_Iteration5_Loop [2022-10-17 10:52:15,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:52:15,817 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:52:15,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,853 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,858 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:15,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,129 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:52:16,129 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:52:16,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,133 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-10-17 10:52:16,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:16,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:16,174 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:16,174 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~output~0#1=-1} Honda state: {ULTIMATE.start_main_~output~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:16,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-10-17 10:52:16,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,213 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-10-17 10:52:16,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:16,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:16,240 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:16,240 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0#1=1, ULTIMATE.start_calculate_output_~input#1=1, ULTIMATE.start_calculate_output_#in~input#1=1, ULTIMATE.start_main_#t~nondet6#1=1} Honda state: {ULTIMATE.start_main_~input~0#1=1, ULTIMATE.start_calculate_output_~input#1=1, ULTIMATE.start_calculate_output_#in~input#1=1, ULTIMATE.start_main_#t~nondet6#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:16,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-10-17 10:52:16,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,278 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-10-17 10:52:16,280 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:16,280 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:16,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:52:16,290 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a8~0=13} Honda state: {~a8~0=13} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:52:16,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:16,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,318 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-10-17 10:52:16,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:52:16,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:16,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:16,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,353 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-10-17 10:52:16,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:52:16,356 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:52:16,366 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:52:16,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-10-17 10:52:16,390 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:52:16,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:52:16,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:52:16,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:52:16,390 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:52:16,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:52:16,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:52:16,391 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label50.c_Iteration5_Loop [2022-10-17 10:52:16,391 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:52:16,391 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:52:16,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,433 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,446 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:52:16,782 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:52:16,782 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:52:16,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,784 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:16,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:16,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:16,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:16,799 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-10-17 10:52:16,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:16,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-10-17 10:52:16,811 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-10-17 10:52:16,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:16,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:16,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:16,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,875 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:16,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:16,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:16,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:16,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:16,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:16,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-10-17 10:52:16,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:16,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:16,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:16,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:16,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,918 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-10-17 10:52:16,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:16,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:16,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:16,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:16,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:16,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:16,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:16,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:16,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:52:16,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-10-17 10:52:16,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,953 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-10-17 10:52:16,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:52:16,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:52:16,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:52:16,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:52:16,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:52:16,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:52:16,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:52:16,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:52:16,967 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:52:16,969 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-10-17 10:52:16,969 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:52:16,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:16,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:16,970 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:16,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-10-17 10:52:16,971 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:52:16,971 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:52:16,971 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:52:16,972 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a7~0) = 1*~a7~0 Supporting invariants [] [2022-10-17 10:52:16,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:16,996 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:52:17,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:17,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:52:17,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:52:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:17,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:52:17,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:52:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:17,241 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:52:17,241 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8451 states and 10245 transitions. cyclomatic complexity: 1834 Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:52:17,904 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8451 states and 10245 transitions. cyclomatic complexity: 1834. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27942 states and 32868 transitions. Complement of second has 5 states. [2022-10-17 10:52:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:52:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:52:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2022-10-17 10:52:17,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 181 transitions. Stem has 5 letters. Loop has 68 letters. [2022-10-17 10:52:17,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:17,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 181 transitions. Stem has 73 letters. Loop has 68 letters. [2022-10-17 10:52:17,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:17,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 181 transitions. Stem has 5 letters. Loop has 136 letters. [2022-10-17 10:52:17,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:52:17,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27942 states and 32868 transitions. [2022-10-17 10:52:17,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f3926-b7b7-4989-b161-27834c99e2ff/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-10-17 10:52:18,079 INFO L131 ngComponentsAnalysis]: Automaton has 28 accepting balls. 5240 [2022-10-17 10:52:18,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27942 states to 27942 states and 32868 transitions. [2022-10-17 10:52:18,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5284 [2022-10-17 10:52:18,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5297 [2022-10-17 10:52:18,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27942 states and 32868 transitions. [2022-10-17 10:52:18,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:52:18,232 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27942 states and 32868 transitions. [2022-10-17 10:52:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27942 states and 32868 transitions. [2022-10-17 10:52:18,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27942 to 27918. [2022-10-17 10:52:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27918 states, 27918 states have (on average 1.1764453041048786) internal successors, (32844), 27917 states have internal predecessors, (32844), 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) [2022-10-17 10:52:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27918 states to 27918 states and 32844 transitions. [2022-10-17 10:52:19,133 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27918 states and 32844 transitions. [2022-10-17 10:52:19,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:52:19,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:52:19,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:52:19,136 INFO L87 Difference]: Start difference. First operand 27918 states and 32844 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:52:20,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:52:20,136 INFO L93 Difference]: Finished difference Result 30510 states and 35026 transitions. [2022-10-17 10:52:20,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30510 states and 35026 transitions. [2022-10-17 10:52:20,304 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 6550 [2022-10-17 10:52:20,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30510 states to 22594 states and 26436 transitions. [2022-10-17 10:52:20,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6581 [2022-10-17 10:52:20,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6581 [2022-10-17 10:52:20,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22594 states and 26436 transitions. [2022-10-17 10:52:20,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:52:20,587 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22594 states and 26436 transitions. [2022-10-17 10:52:20,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22594 states and 26436 transitions. [2022-10-17 10:52:20,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22594 to 16882. [2022-10-17 10:52:20,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16882 states, 16882 states have (on average 1.1815543182087431) internal successors, (19947), 16881 states have internal predecessors, (19947), 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) [2022-10-17 10:52:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16882 states to 16882 states and 19947 transitions. [2022-10-17 10:52:21,047 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16882 states and 19947 transitions. [2022-10-17 10:52:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:52:21,048 INFO L428 stractBuchiCegarLoop]: Abstraction has 16882 states and 19947 transitions. [2022-10-17 10:52:21,048 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-10-17 10:52:21,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16882 states and 19947 transitions. [2022-10-17 10:52:21,105 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 5240 [2022-10-17 10:52:21,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:21,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:21,107 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:52:21,107 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:21,107 INFO L748 eck$LassoCheckResult]: Stem: 134177#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(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 133969#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 133970#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 144187#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 144189#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 133901#L45 [2022-10-17 10:52:21,109 INFO L750 eck$LassoCheckResult]: Loop: 133901#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 134196#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 134147#L59 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 134148#L64 assume !((3 == calculate_output_~input#1 && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 134045#L72 assume !((1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input#1 && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0); 134046#L75 assume !((8 == ~a12~0 && (1 == ~a21~0 && ((5 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 134114#L82 assume !(8 == ~a12~0 && 1 == calculate_output_~input#1 && ((1 == ~a21~0 && (15 == ~a8~0 && (!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && 13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0))); 134116#L90 assume !((((!(1 == ~a17~0) && !(1 == ~a7~0) && 1 == ~a21~0 && 15 == ~a8~0 && 4 == calculate_output_~input#1) && !(1 == ~a20~0)) && 8 == ~a12~0) && 4 == ~a16~0); 134180#L94 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 2 == calculate_output_~input#1) && 8 == ~a12~0); 133986#L102 assume !(13 == ~a8~0 && !(1 == ~a21~0) && ((3 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0))) && 8 == ~a12~0) && 1 == ~a7~0); 133987#L107 assume !(((1 == ~a21~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1 && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || (5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0))) && !(1 == ~a7~0)) && 15 == ~a8~0); 134004#L112 assume !((5 == ~a16~0 && (1 == ~a7~0 && (!(1 == ~a21~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 1 == ~a20~0); 134005#L118 assume !(1 == ~a17~0 && (15 == ~a8~0 && (8 == ~a12~0 && (!(1 == ~a7~0) && 5 == calculate_output_~input#1) && 1 == ~a21~0) && !(1 == ~a20~0)) && 5 == ~a16~0); 134126#L124 assume !(!(1 == ~a7~0) && (((1 == ~a21~0 && (15 == ~a8~0 && 5 == calculate_output_~input#1) && !(1 == ~a17~0)) && 8 == ~a12~0) && 1 == ~a20~0) && 4 == ~a16~0); 149949#L129 assume !((!(1 == ~a21~0) && (8 == ~a12~0 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0)) && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a7~0); 149948#L134 assume !(1 == ~a17~0 && !(1 == ~a7~0) && (1 == ~a21~0 && (8 == ~a12~0 && 5 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && 1 == ~a20~0) && 15 == ~a8~0); 149944#L139 assume !((8 == ~a12~0 && !(1 == ~a21~0) && 1 == ~a7~0 && 13 == ~a8~0 && 6 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (4 == ~a16~0 && !(1 == ~a17~0))) || (5 == ~a16~0 && !(1 == ~a17~0)))) && 1 == ~a20~0); 134108#L146 assume !((5 == ~a16~0 && ((15 == ~a8~0 && (!(1 == ~a7~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 8 == ~a12~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 134109#L150 assume !(!(1 == ~a20~0) && 1 == ~a21~0 && 4 == ~a16~0 && 15 == ~a8~0 && (8 == ~a12~0 && 2 == calculate_output_~input#1 && !(1 == ~a7~0)) && !(1 == ~a17~0)); 149801#L154 assume !((1 == ~a21~0 && !(1 == ~a7~0) && (!(1 == ~a20~0) && !(1 == ~a17~0) && 8 == ~a12~0 && 6 == calculate_output_~input#1) && 4 == ~a16~0) && 15 == ~a8~0); 133860#L158 assume !(1 == ~a17~0 && ((((8 == ~a12~0 && 4 == calculate_output_~input#1 && 13 == ~a8~0) && 1 == ~a20~0) && !(1 == ~a21~0)) && 5 == ~a16~0) && 1 == ~a7~0); 133861#L162 assume !(((13 == ~a8~0 && 8 == ~a12~0 && ((((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0)) && 1 == calculate_output_~input#1) && !(1 == ~a21~0)) && 1 == ~a20~0) && 1 == ~a7~0); 149795#L170 assume !(13 == ~a8~0 && !(1 == ~a21~0) && (((((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 5 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0); 149793#L175 assume !((!(1 == ~a21~0) && ((((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0)) && 4 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0) && 13 == ~a8~0); 149791#L183 assume !((1 == ~a21~0 && !(1 == ~a7~0) && ((((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0) && 15 == ~a8~0); 149788#L188 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && ((1 == ~a7~0 && 1 == ~a17~0) && 1 == ~a20~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0); 149785#L196 assume !(!(1 == ~a17~0) && (8 == ~a12~0 && !(1 == ~a20~0) && (15 == ~a8~0 && 1 == ~a21~0 && 4 == calculate_output_~input#1) && !(1 == ~a7~0)) && 5 == ~a16~0); 133997#L199 assume !(((!(1 == ~a7~0) && (2 == calculate_output_~input#1 && (((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 15 == ~a8~0) && 8 == ~a12~0) && 1 == ~a21~0); 133998#L204 assume !(!(1 == ~a20~0) && (((((6 == calculate_output_~input#1 && 5 == ~a16~0) && 1 == ~a21~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && !(1 == ~a7~0)) && 15 == ~a8~0); 134054#L207 assume !(8 == ~a12~0 && (((((1 == ~a21~0 && 5 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0); 134055#L213 assume !(((15 == ~a8~0 && !(1 == ~a7~0) && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 5 == ~a16~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0); 149773#L218 assume !(15 == ~a8~0 && 4 == ~a16~0 && !(1 == ~a20~0) && ((1 == ~a21~0 && !(1 == ~a17~0) && 5 == calculate_output_~input#1) && !(1 == ~a7~0)) && 8 == ~a12~0); 134069#L224 assume !(1 == ~a17~0 && 8 == ~a12~0 && 15 == ~a8~0 && ((!(1 == ~a7~0) && (5 == ~a16~0 || 6 == ~a16~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 1 == ~a20~0); 134070#L228 assume !(!(1 == ~a7~0) && (15 == ~a8~0 && (!(1 == ~a17~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 1 == ~a20~0); 134102#L233 assume !(5 == ~a16~0 && (!(1 == ~a21~0) && (13 == ~a8~0 && (2 == calculate_output_~input#1 && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && 1 == ~a17~0); 149771#L241 assume !(1 == ~a20~0 && (8 == ~a12~0 && 1 == ~a7~0 && 13 == ~a8~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 3 == calculate_output_~input#1) && !(1 == ~a21~0)); 149770#L248 assume !(8 == ~a12~0 && 1 == ~a7~0 && !(1 == ~a21~0) && 13 == ~a8~0 && 6 == calculate_output_~input#1 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0)))); 149769#L255 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && ((4 == ~a16~0 && 15 == ~a8~0 && 1 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0) && 1 == ~a20~0); 149768#L260 assume !(1 == ~a17~0 && (1 == ~a21~0 && !(1 == ~a20~0) && 8 == ~a12~0 && 15 == ~a8~0 && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && 6 == ~a16~0); 133844#L266 assume !(1 == ~a20~0 && 8 == ~a12~0 && ((1 == ~a17~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 4 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 133845#L271 assume !(((13 == ~a8~0 && (((!(1 == ~a21~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a17~0) && 1 == ~a7~0) && 5 == ~a16~0); 133931#L275 assume !(5 == ~a16~0 && (((8 == ~a12~0 && !(1 == ~a7~0) && 2 == calculate_output_~input#1 && !(1 == ~a20~0)) && 1 == ~a21~0) && 1 == ~a17~0) && 15 == ~a8~0); 149765#L278 assume !((8 == ~a12~0 && ((!(1 == ~a17~0) && 1 == ~a21~0 && 4 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a20~0) && 4 == ~a16~0); 134136#L283 assume !(1 == ~a7~0 && 13 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a21~0) && 2 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0))); 134137#L288 assume !(((((((!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (((13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 4 == ~a16~0) && !(1 == ~a21~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0); 149725#L296 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && (((3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 15 == ~a8~0) && 8 == ~a12~0) && !(1 == ~a20~0)); 134091#L302 assume !((((8 == ~a12~0 && (((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0) || ((1 == ~a20~0 && !(1 == ~a17~0)) && 5 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) && 3 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 134092#L309 assume !(((!(1 == ~a7~0) && (5 == calculate_output_~input#1 && (((5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 134097#L316 assume !((!(1 == ~a7~0) && (1 == ~a21~0 && (1 == ~a17~0 && 8 == ~a12~0 && 2 == calculate_output_~input#1) && !(1 == ~a20~0)) && 6 == ~a16~0) && 15 == ~a8~0); 134168#L322 assume !((!(1 == ~a17~0) && 1 == ~a21~0 && (!(1 == ~a20~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0); 148961#L326 assume !((5 == ~a16~0 && !(1 == ~a20~0) && (((6 == calculate_output_~input#1 && 1 == ~a21~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0) && 15 == ~a8~0); 148962#L328 assume !(!(1 == ~a7~0) && 1 == ~a17~0 && (6 == ~a16~0 && !(1 == ~a20~0) && (6 == calculate_output_~input#1 && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 148810#L334 assume !(((1 == ~a21~0 && 15 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a7~0) && !(1 == ~a17~0) && 2 == calculate_output_~input#1) && 4 == ~a16~0) && 1 == ~a20~0); 148811#L339 assume !(15 == ~a8~0 && (4 == ~a16~0 && 8 == ~a12~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && !(1 == ~a17~0)) && 1 == ~a21~0); 134119#L343 assume !(1 == ~a21~0 && (8 == ~a12~0 && ((1 == ~a17~0 && 3 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && !(1 == ~a7~0)) && 1 == ~a20~0) && 15 == ~a8~0); 134120#L347 assume !(!(1 == ~a21~0) && 1 == ~a20~0 && (8 == ~a12~0 && 13 == ~a8~0 && ((5 == ~a16~0 && !(1 == ~a17~0)) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 2 == calculate_output_~input#1) && 1 == ~a7~0); 149743#L355 assume !(1 == ~a7~0 && 8 == ~a12~0 && ((1 == ~a20~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (4 == ~a16~0 && !(1 == ~a17~0))) && 4 == calculate_output_~input#1) && 13 == ~a8~0) && !(1 == ~a21~0)); 149742#L363 assume !(1 == ~a21~0 && (((!(1 == ~a7~0) && 15 == ~a8~0 && !(1 == ~a20~0) && 4 == calculate_output_~input#1) && 1 == ~a17~0) && 5 == ~a16~0) && 8 == ~a12~0); 149741#L365 assume !(((!(1 == ~a7~0) && (!(1 == ~a20~0) && 1 == ~a21~0 && 3 == calculate_output_~input#1 && 1 == ~a17~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0); 149740#L371 assume !((((!(1 == ~a17~0) && !(1 == ~a20~0) && 15 == ~a8~0 && 1 == calculate_output_~input#1 && 5 == ~a16~0) && 8 == ~a12~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 134170#L373 assume !(((1 == ~a21~0 && 15 == ~a8~0 && (5 == ~a16~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)); 133852#L375 assume !((!(1 == ~a21~0) && 1 == ~a20~0 && ((13 == ~a8~0 && 1 == ~a7~0 && 5 == calculate_output_~input#1) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0); 133853#L382 assume !(((!(1 == ~a7~0) && 1 == ~a21~0 && ((6 == calculate_output_~input#1 && 1 == ~a20~0) && 15 == ~a8~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && 4 == ~a16~0); 134001#L387 assume !(((1 == ~a20~0 && ((!(1 == ~a21~0) && 1 == ~a7~0 && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0); 133990#L392 assume !(8 == ~a12~0 && 5 == calculate_output_~input#1 && ((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a7~0 && 1 == ~a17~0) && 13 == ~a8~0))); 133836#L401 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133837#L401-2 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134127#L404-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134130#L407-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134131#L410-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133893#L413-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133856#L416-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133857#L419-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134031#L422-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134032#L425-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134058#L428-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133824#L431-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133825#L434-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133924#L437-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133896#L440-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133897#L443-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134063#L446-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134064#L449-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133942#L452-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133873#L455-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133874#L458-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133994#L461-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133921#L464-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133889#L467-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133890#L470-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134061#L473-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133957#L476-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133958#L479-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133965#L482-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133966#L485-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133840#L488-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133841#L491-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133979#L494-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133945#L497-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133946#L500-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134027#L503-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134028#L506-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134051#L509-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134087#L512-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133877#L515-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133878#L518-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133933#L521-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133975#L524-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133976#L527-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134076#L530-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134077#L533-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134074#L536-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134011#L539-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134012#L542-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134019#L545-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134149#L548-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133886#L551-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133887#L554-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 149762#L557-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134144#L560-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133848#L563-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133849#L566-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134035#L569-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134089#L572-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134090#L575-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 149757#L578-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 149756#L581-1 calculate_output_#res#1 := -2; 134021#L584 main_#t~ret7#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 133982#L593-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 133983#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 133900#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 133901#L45 [2022-10-17 10:52:21,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:21,110 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 3 times [2022-10-17 10:52:21,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:21,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246542782] [2022-10-17 10:52:21,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:21,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:21,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:21,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:21,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:21,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1018017878, now seen corresponding path program 1 times [2022-10-17 10:52:21,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:21,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136734324] [2022-10-17 10:52:21,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:21,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:21,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:21,228 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:21,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:21,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1499282474, now seen corresponding path program 1 times [2022-10-17 10:52:21,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:21,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993057363] [2022-10-17 10:52:21,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:21,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:23,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:52:23,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993057363] [2022-10-17 10:52:23,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993057363] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:52:23,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:52:23,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-17 10:52:23,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32285573] [2022-10-17 10:52:23,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton